HALF-TRAC DATATBASE: AUTOCAR

Tracked, Halftrack, etc... Military Vehicles, Wanted, For Sale (NO AUCTION or EBAY), and Knowledge Base

Moderator: Kevin Lockwood

Kevin Lockwood
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HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Thu Jan 21, 2021 2:05 pm

The database has out grown the tracked thread. So I am trying to spread it out by manufacturer.


Here is a G503 database of Autocar data for all to see and use. I hope by building this database some patterns will show up that can help answer some of the many questions raised by these models of halftracks. Posting photos will help to get the correct details recorded. This will be a group effort so I hope everyone interested in these vehicles can help to fill in the blanks!
Please post ( or email to me ) any numbers/data you have and I will add them to the list as I have time. Due to limited space I will not be able to acknowledge where the data comes from. Last revised 25JUL2023 by Kevin Lockwood.

Height of Frame serial number stampings:

White--------1/2 inch--screw slots ( vertical )
Autocar-----9/16 inch-screw slots ( any old way )
Diamond T--3/4 inch--screw slots ( vertical sometimes ? )

Hood Number - Key Numbers ( add to Ord. Number to get Hood Number)

Model--Ord # range-------------Key #---Manufacturers------Number Ranges-----Purchase Order-----DOD or Notes
M2-----2 to 538----------------4010198----Autocar--------4010200 to 4010736------T-515---------First unit accepted 06/41
M2-----5795 to 6600--------------4012618----Autocar-------4018413 to 4019218------T-3292--------806 total
M2-----5794-------------------------------------Autocar-------------4019531--------------T-3292--------1 total
M2----6601 to 8000---------------4012931----Autocar--------4019532 to 4020931-----T-3339--------405 in 42 & 995 in 43--50% w/winch
M2 / M2A1-10001 to 10916---------------------Autocar---------4024934 to 4025849 ----T-3512--------239 total M2 & 677 M2A1
M2-----16321 to 16329--------------------------Autocar---------40111257 to 40111265--T7115--------9 unarmed USN
M3-----2 to 521----------------------------------Autocar----------409482 to 410001-------T-515---------520 total
M3-----522 to 1162----------------399878------Autocar--------W400400 to W401040----T-544---------Serial#s 522 to 1162 total 641
M3-----6140 to 6471-----------------------------Autocar-------4019219 to 4019530------T-3257------Serial #s 6140 to 6471
M3-----10072 to 10274--------------------------Autocar------4026935 to 4027137-------T-3683------Serial #s 10072 to 10274
NEXT THREE POs MAY NOT BE CORRECT TO AUTOCAR? NOT ENTERED BY ME AND SEEM TO BE DIAMOND T PERHAPS.
M3-----23831 to 24830------------4038261----Autocar-----4062092 to 4063091----------------------Serial #s 7574 to 8572
M3A1---24831 to 26940-----------4038261----Autocar-----4063092 to 4065171----------------------Serial #s 1 to 2110
M3&M3A1-26941 to 28229--------4038261----Autocar--------4065202 to 4066490-----T-4661--------Serial#s 26941 to 28229 total 989 M3 & 300 M3A1
M3-75-87 to M3-75-1436----------4016973----Autocar--------4017060 to 4018409--W670ORD1765--Total 1,350
M3-75-1437 to M3-75-1466-------4051913----Autocar--------4053350 to 4053379--W670ORD2597--Total 30 extra to original order
M3-75-1467 to M3-75-2092-------4052257----Autocar--------4053724 to 4054349--W670ORD2597--736 + above 30 add = total 766 all blt. Jan-Apr43
mathematically this is off. It appears that the last 113 M3-75s may have never been stamped and were converted to M3A1s. So only 626 on this PO.
M15----81 to 680-----------------4083206----Autocar--------4083287 to ? --------------------
M15A1-682 to 2333---------------40148717---Autocar--------40149399 to 40151050------------------Serial #s 682 to 2333
T12-1 to T12-86---------------------------------Autocar-------409528? to 409613?----------------------75mm Gun Motor Crge 61 in Aug 41 and 25 in Sep 41
T28E1-1 to 80-----------------------?----------Autocar--------4053380 to ? --------2052-----


---Started 12/22/2006----Revised 07/25/23
---* behind Registration(Hood)Number or Ordnance Nbr. indicates the number was derived from a key number for a specific Purchase Order. (see chart above)

White---Autocar-----Diamond T---Registration-----Ord.#----Original------Date of----Location------Notes
Serial #---Serial #------Serial #--------Number--------------------Model------Delivery
----------M2-13-----------------------4010211-------M2-13-------M2------------------------Tx.------Roller
----------M2-26-----------------------4010224*------M2-26--------M2----------07/41-------Ca.--
----------M2-44-----------------------4010242*------M2-44--------M2----------07/41-------Ca.----------
----------M2-108----------------------4010306*------M2-108------M2------------------------Ca.------Roller
----------M2-133----------------------4010331-------M2-133------M2------------------------Ut.------Roller---------
----------M2-138----------------------4010336*------M2-138------M2----------------------------------Roller
----------M2-142----------------------4010340-------M2-142------M2----------------------------------Roller Reblt into M2A1
----------M2-174---------------------------------------M2-174------M2------------------------Ks.------data plate only- Lockwood
----------M2-190----------------------4010388*------M2-190------M2------------------------Ca.------Roller
----------M2-232----------------------4010430*------M2-232------M2----------09/41-------Pa.------Roller---Reblt into M2A1 by Ordnance restored as M2
----------M2-252----------------------4010450-------M2-252------M2----------10/41-------Mi.------Roller
----------M2-360---------------------------------------M2-360------M2-----------------------Wi.---------------LP
----------M2-396----------------------4010594*------M2-396------M2------------------------Fl.---------------Reblt into M2A1
----------M2-434----------------------4010632*------M2-434-------M2-----------------------WY.-----Data plate only-scrapped
----------M2-441----------------------4010639-------M2-441-------M2---------01/42-------Ca.------Roller---Reblt into M2A1 by B&M
----------M2-453----------------------4010651-------M2-453------M2----------01/42-------Oh.------Roller----160AX6576
----------M2-5846-------------------------------------M2-5846-----M2------------------------Ks.-----------------Reblt into M2A1-data plate only-Lockwood
----------M2-5869----------------------------------------------------M2------------------------Ut.------
----------M2-5895---------------------4018513*-----M2-5895-----M2-------------------------Wa.-----------------Reblt into M2A1
----------M2-5931-------------------------------------M2-5931-----M2-------------------------Ca.------Roller
----------M2-5939-------------------------------------M2-5939-----M2-------------------------Ks.------Roller-----Reblt into M2A1
----------M2-5947-------------------- 4015947?---------------------M2------------------------Ca.------Roller
----------M2-5966-------------------------------------M2-5966*----M2-------------------------Or.-------------scrapped
----------M2-6030---------------------4018648------M2-6030------M2----------09/42-------Ct.------Roller------Reblt to M2A1 by B&M
----------M2-6139-------------------------------------M2-6139-----M2-------------------------Ca.-----Winch
----------M2-6347-------------------------------------M2-6347------M2------------------------Md.-----Data plate only-Reblt into M2A1
----------M2-6393-------------------------------------M2-6393------M2------------------------Ne.
----------M2-6411-------------------------------------M2-6411-----M2-------------------------Ks.-----Reblt into M2A1-data plate only-Lockwood
----------M2-6496-------------------------------------M2-6496-----M2-------------------------Me.----Reblt into M2A1
----------M2-6538---------------------4019156*-----M2-6538-----M2-----------------Netherlands--
----------M2-6632-----------------------------------------------------M2---------------------------------Listed on halftrackinfo.com
----------M2-6967---------------------4019898------M2-6967*-----M2------------------------Ca.------Roller---Reblt into M2A1----160AX27188
----------M2-7105---------------------4020036*-----M2-7105*-----M2------------------------Ga.------Roller--Reblt into M2A1
----------M2-7246---------------------4020177------M2-7246------M2----------------------------------Roller--had hood w/number
----------M2-7324---------------------4020255------M2-7324------M2------------------------Tx.-----Winch-Reblt to M2A1-B&M data plt.-hood#stpd bogie cstg
----------M2-7392---------------------4020323*-----M2-7392*-----M2------------------------Ks.------Winch--Reblt into M2A1----160AX34875
----------M2-7421---------------------4020352*-----M2-7421------M2------------------------Wy.---------------Reblt into M2A1----
----------M2-7460---------------------4019933------M2-7460*--------------------------------Ca.
----------M2-7502---------------------4020433*-----M2-7502*-----M2------------------------Fl.------Data plate only--Reblt M2A1
----------M2-7522---------------------4020453------M2-7522------M2-----------------------U.K.-----------Reblt into M2A1 has "2A1 4020453" stpd in bumper.
----------M2-7556---------------------4020487*-----M2-7556------M2------------------------Ca.-----Winch
----------M2-7560---------------------4020491*-----M2-7560*-----M2------------------------Mn.
----------M2-7562---------------------4020493*-----M2-7562------M2------------------------Mn.--------------Reblt into M2A1
----------M2-7571---------------------4020502------M2-7571------M2------------------------Or.-------Reblt into M2A1 by B&M Hood # on RH bogie cstg
----------M2-7833---------------------4020764*-----M2-7833*-----M2-------------------------Pa.------Winch-Reblt into M2A1
----------M2-7958---------------------4020889------M2-7958------M2----------??/43-------France----Winch
----------M2-7988---------------------4020919*-----M2-7988*-----M2----------------------Belgium----Winch-Reblt into M2A1-Fndr hdlps.
----------M2-10020----------------------------------------------------M2----------------------Finland----Roller-going to be Winch
----------M2-10105----------------------------------------------------M2----------------------Belgium-----------under restoration
----------M2A1-11246------------------------------------------------M2A1-------------------Germany----Fndr hdlps (Hohenfels) ret'd to Ft. Sill ADA Museum
----------M2A1-11252------------------------------------------------M2A1--------------------Belgium----Winch-Fndr hdlps.
----------M2A1-11416------------------------------------------------M2A1-----------------Netherlands--Winch-Pedestal hdlps.
----------M3-420-----------------------409900-------M3-420--------M3---------11/41--------In.-------Roller-Pedestal hdlps.-In. Mil. Museum
----------M3-563-----------------------400441-------M3-563--------M3---------12/41--------Ky.-------Roller-Reblt into M16A1
----------M3-818-----------------------400696-------M3-818--------M3---------01/42-----Belgium----Winch
----------M3-867-----------------------400745-------M3-867--------M3-----------------------Ger.--------------Reblt into M16A1 at Vilseck hood# stpd in bmpr
----------M3-953-----------------------400831*----------------------M3------------------------Oh.------Roller-Reblt into M16A1
----------M3-1061---------------------400939-----------------------------------------------Luxenbourg-Roller-Reblt into M3A1
----------M3-4480---------------------404270-----------------------------------------------Luxenbourg-Roller-Reblt into M3A1
----------M3-6329---------------------4019388------M3-6329-------M3-------------------------Mi.------Roller-Reblt into M16A1
----------M3-6340-----------------------------------------------------M3--------------------------Ia.------
----------M3-6388---------------------4019447*----------------------M3-----------43---------Canada---Roller-Fender hdlps.
----------M3-6400---------------------4019459------M3-6400-------M3---------??/44---------------------------Reblt into M3A1 by Wylie
----------M3-6453---------------------4019512------M3-6453-------M3--------------------Czech Rep.-Roller-Reblt into M16A1-hood # found stpd on frt bumper
----------M3s-7318-------------------CL4237226---------------------M3----------------------Canada----Roller-'Old Reliable'
----------M3-10132------------------------------------M3-10132-----M3-------------------------Mo.
----------M3-10181------------------------------------M3-10181-----M3-------------------------Tn.------Winch
----------M3-21979-------------------40109258------M3-21979-----M3--------------------Netherlands-
----------M3-22033-------------------40109312------M3-22033-----M3------------------------U.K.----Winch reblt or restored to M3A1
----------M3-22311-------------------40109590----------------------M3----------------------Canada---Winch--Alberta
----------M3-22320-------------------40109599------M3-22320-----M3--------------------Netherlands-
----------M3-22395------------------------------------M3-22395-----M3-------------------------Oh.--------------data plate only
----------M3-22590-------------------40109869------M3-22590-----M3---------06/43------Poland-
----------M3-22647------------------------------------M3-22647-----M3-------------------------N.Y.----Roller--scrapped
----------M3-22774-------------------40110053 -----M3-22774-----M3-----------------------------------------Reblt into M16A1 #237 12-51
----------M3-27054------------------------------------M3-27054-----M3----------??43----------UT.-----Winch
----------M3-27127------------------------------------M3-27127-----M3-------------------------NJ.-----Winch
----------M3-27141-------------------4065402------------------------M3----------07/43--------Mi.------------Reblt into M16A1 by B&M
----------M3-27188------------------------------------M3-27188-----M3-------------------------Ut.--------------
----------M3-27298------------------------------------M3-27298-----M3-----------------------Nethrlds---------Reblt into M3A1 by B&M
----------M3-27300------------------------------------M3-27300-----M3--------------------------Va.----Winch-Pedestal hdlps.--160AX7990
----------M3-28722-------------------4066983-------M3-28722-----M3--------------------------Tx.----Roller-------
----------M3-28756------------------------------------M3-28756-----M3----------------------------------------
----------M3-28843------------------------------------M3-28843-----M3-------------------------Neth.--Winch Bumper may be roller originally
----------M3-28857------------------------------------M3-28857-----M3-----------------------------------------data plate only for sale on ebay 04/17
----------M3-28913----------------------------------------------------M3--------------------------Ky.------------Reblt into M16A1
----------M3A1- ? ------------------USMC 54731-----------------------------------------------------------Winch-Seen on Anger Island
----------M3A1-27008-------------------------------------------------M3---------------------Germany----------Reblt into M16A1 in 04/52 (Schweinfurt)
----------M3A1-27730----------------4065991-----------------------M3A1-----
----------M3A1-27739-------------------------------------------------M3A1-------------------------------Winch-
----------M3A1-47670----------------4017216----------------------M3-75-----------------------Mo.----Roller-Reblt from M3-75 GMC later reblt into M16A1
----------M3A1-47715----------------4017422----------------------M3-75----------------------------------------Reblt from M3-75 GMC hood # stamped in bumper.
----------M3A1-47728------------------------------------------------------------------------------Tx.-----Roller-------------------------------12AD Museum Abilene, Tx.
----------M3A1-47825----------------4053835-----------------------------------------------------Fl.-----Roller-Reblt from M3-75 GMC
----------M3A1-47941----------------4017795-------M3-75-822----M3-75-----------------------Mo.---Roller-Reblt from M3-75-822 GMC
----------M3A1-47954-------------------------------------------------M3-75--------------------------------------Reblt from M3-75 GMC
----------M3A1-48057-------------------------------------------------M3-75-------------------France-----------Reblt from M3-75 GMC
----------M3A1-48112-------------------------------------------------M3-75----------------------WI.------------Reblt from M3-75 GMC--vets museum
----------M3A1-48121--------------------------------M3A1-48121--M3-75----------------------Tx.-----Roller-Reblt from M3-75 GMC conv. by ACC per data plt
----------M3A1-48228-------------------------------------------------M3-75----------------------Pa.-------------Reblt from M3-75 GMC
----------M3A1-48390-------------------------------------------------M3-75----------------------Pa.-------------Reblt from M3-75 GMC converted to M16A1 B&M
----------M3A1-48398-------------------------------------------------M3-75--------------------France--Winch-Reblt from M3-75 GMC
----------M3A1-48448-------------------------------------------------M3-75----------------------------------------Reblt from M3-75 GMC
----------M3A1-48509-------------------------------------------------M3-75------------------Germany---Roller-Reblt from M3-75 GMC cvrt to M16A1 (Hohenfels)
----------M3A1-48568-------------------------------------------------M3-75-------04/45
----------M3A1-48584----------------4017302-----------------------M3-75----------------------Oh.-----Roller- Reblt from M3-75 GMC has White M3 dataplate
----------M3A1-48609----------------4017347-------M3-75-374---M3-75-----------------------Fl.------Roller - Scrapped
----------M3A1-48712----------------4017469----------------------M3-75-------------------Germany---Roller-Reblt from M3-75 GMC #496* cvrtd to M16A1 (Hohenfels) ret'd to Ft. Sill ADA Museum
----------M3A1-48823--------------------------------M3-75------------------------06/45--------NY.-----Winch-Fndr hdlps.
----------M3-75-374----------------------------------M3-75-374----M3-75----------------------Fl.-------Roller-Reblt into M3A1-48609 scrapped
----------M3-75-496*-----------------4017469----------------------M3-75----------------------Ok.---------------See M3A1-48712 reblt as M3A1 then M16A1
----------M3-75-822----------------------------------M3-75-822----M3-75----------------------Mo. Roller-Reblt into M3A1-47941
----------M3-75-1034---------------------------------M3-75-1034--M3-75--------09/42--------Pa.-------------Reblt into M3A1-48228
----------M3-75-1193-----------------4018166------M3-75-1193--M3-75-----------------------Ut.-----Also has USMC reg mrkgs#61658 above USA hood #
----------M3-75-1251-----------------------------------------1251--M3-75--------------------------------data plate only for sale on ebay
----------M3-75-1283---------------------------------M3-75-1283--M3-75-----------------------Ut.----------------was at Littlefield museum
----------M3-75-1291-----------------4018264?----M3-75-1291--M3-75------10/42-------------------Was roller? - now winch
----------M3-75-1454-------------------------------------------------M3-75----------------------Ky.------
----------M3-75-1578-------------------------------------------------M3-75----------------------------------------Reblt into M3A1-47825
----------M3-75-1642---------------------------------M3-75-1642--M3-75----------------------Wi.--------data plate only for sale on ebay. Now I found vehicle.
----------M3-75-1790------------------4054047*----M3-75-1790--M3-75------10/42---------Ks.------Roller-Fender hdlps.
----------M3-75-1797-------------------------------------------------M3-75----------------------Or.------Roller-Restored as Diamond T M3A1
----------M3-75-1895---------------------------------M3-75-1895--M3-75----------------------Mn.-------------restored as M3 personnel carrier
----------M3-75-1939---------------------------------M3-75-1939--M3 75----------------------TX.------Roller restored as USMC#71075
----------M3-75-1971---------------------------------M3-75-1971--M3-75----------------------Co.-----Roller
----------M3-75-2077---------------------------------M3-75-2077--M3-75-------------------------------Roller data plate re-stamped 75mm GMC M3"A1"
----------M15-86-----------------------4083292*-------86---------M15--------------------------Ut.
----------M15-355----------------------4083561*-------355-------M15--------------------------Ca.------no Roller
----------M15-367----------------------------------------367-------M15------------------------------------data plate only on Facebook
----------M15-370----------------------------------------370-------M15--------------------------Ms.----Roller present and has data plate cab and chassis
----------M15-583---------------------------------------------------M15----------------------Holland-----------Scrapped frame torched into 3pcs.
----------M15-614----------------------4083820*-------614-------M15-----------------------Canada--Roller-Reblt into M16A1 Alberta
----------M15-662----------------------------------------662-------M15--------------------------Wi-------LP
----------M15-668----------------------4083874*-------668-------M15--------------------------UT.------restored as M15 special 40mm
----------M15A1E681------------------40148306-------681-------M15A1-----------------------------------May be M15A1 Pilot
XX---------------------------------------40149399-------682------M15A1---------------------------------------1st M15A1 hood #
----------M15A1- ? --------------------40149473------------------M15A1------------------------Ca.---Winch-Reblt into M16A1
----------M15A1-776------------------40149493*-------776------M15A1------10/43-----------------Roller-Reblt into M16A1 by B&M
----------M15A1-791------------------40149508--------791*-----M15A1------------------------UT.-----------Reblt into M16A1
----------M15A1-879------------------40149596*-------879------M15A1-------11/43----------Ms.------No D. P.-Restored as M3
----------M15A1-923------------------40149640--------923------M15A1------------------------UT.--Roller
----------M15A1-968------------------40149685*-------968------M15A1-------------------------------has winch but appears added
----------M15A1-1002-----------------40149719------------------M15A1------11/43-----------In.---Roller-Reblt into M16A1 Restored to M3
----------M15A1-1041-----------------40149758-------1041-----M15A1------------------------Ca.---Roller-Reblt into M16A1 Hood #stpd into bumper
----------M15A1-1043-----------------------------------1043-----M15A1------------------------Il.------------Reblt into M16A1---parted out
----------M15A1-1064-----------------40149781*------1064-----------------------------------Belgium-------Under restoration
----------M15A1-1104-----------------40149821*------1104-----M15A1-------------------------------Roller-Restored as a M3A1
----------M15A1-1126-----------------40149845-------1126-----M15A1------------------------Ca.----------Reblt into M16A1
----------M15A1-1142-----------------40149859-------1142-----M15A1------------------------Tn.------------------hood number found stpd into frt bumper
----------M15A1-1172-----------------40190237 ?-----1172-----M15A1------11/43-----------In.----Roller-Reblt into M16A1
----------M15A1-1218-----------------40149935-------1218-----M15A1------11/43----------AZ.---Roller-Pedestal hdlps.-Rblt to M16A1-Restored to M3A1
----------M15A1-1310-----------------40150027-------1310-----M15A1------------------------In.---- In. Mil Museum
----------M15A1-1356-----------------40150073*-----------------M15A1------------------------In.--------Reblt into M16A1-Restored to M3A1-frame scrapped ----------M15A1-1370-----------------40150087-------1370-----M15A1------------------------Tx.----Roller-Reblt into M16A1 being restored as M3
----------M15A1-1371-----------------40150088-------1371-----M15A1------??/43------------Oh.---Roller-Reblt into M16A1
----------M15A1-1374-----------------40150091-------1374-----M15A1------------------------Or.---Roller-Reblt into M16A1 by B&M 03/53
----------M15A1-1408-----------------40150125-------1408-----M15A1------12/43-----------NM-----------Reblt into M16A1
----------M15A1-1441-----------------40150158*------1441-----M15A1------------------------Oh.---Roller-Reblt into M16A1 by B&M 05/53
----------M15A1-1503-----------------40150220-------1503-----M15A1------------------------Az.---Roller-Reblt into M16A1 by B&M
----------M15A1-1600-----------------------------------1600-----M15A1------------------------N.M.--
----------M15A1-1626-----------------40150343-------1626-----M15A1--------------------------------------Gen'l Patton's Hearse
----------M15A1-1650-----------------40150367*----------------M15A1------------------------Wa.----Roller-Restored as M3A1
----------M15A1-1652-----------------40150369*-----------------M15A1-----------------------Ma.---Winch-Restored as M3
----------M15A1-1693-----------------40150410*-----------------M15A1-----------------------Pa.
----------M15A1-1786----------------------------------------------M15A1-----------------------La.----Roller- museum New Orleans hood #stmp 40156593??
----------M15A1-1805-----------------40150522*-----------------M15A1-----------------------Mi.----Winch ?
----------M15A1-1812-----------------40150529-------1812-----M15A1------01/44----------Ca.----Roller-Restored as a M3
----------M15A1-1847-----------------40150564*------1847-----M15A1-----------------------Mo.
----------M15A1-1859------------------------------------1859----M15A1-------------------------------Reblt into M16A1 by B&M 1955- restored as M3
----------M15A1-1874-----------------40150591-------1874-----M15A1-----------------------Ok.-------------Ft. Sill ADA Museum
----------M15A1-1889-----------------40150606-------1889-----M15A1-----------------------N.C.---Roller- Converted to M16A1- restored to M3A1
----------M15A1-1891-----------------40150608*-----------------M15A1-----------------------N.J.-----------Reblt into M16A1 into M3A1
----------M15A1-1904-----------------40150621--------1904----M15A1-----------------------Fl.-----Roller- Converted to M16A1 by B&M hood # stpd in bumper
----------M15A1-1928-----------------40150645--------1928-----M15A1----------------------Tx. ---Roller--Restoring as M3
----------M15A1-1929-----------------40150646--------1929-----M15A1----------------------Oh-------------Reblt into M16A1
----------M15A1-1943-----------------------------------------------M15A1----------------------Ca-----Roller--
----------M15A1-1945-----------------40150662--------1945-----M15A1----------------------Fl.-------------
----------M15A1------------------------40150685-------------------M15A1---------------------Ok.-------------Ft. Sill ADA Museum
----------M15A1-2007-----------------40150724--------2007-----M15A1-------------------------------Roller-Reblt into M16A1
----------M15A1-2014-----------------40150731*-------2014-----M15A1-------------------------------Roller-Reblt into M3 ?-Israeli return
----------M15A1-2044-----------------40150761*-------2044-----M15A1---------------------N.Y.-----Winch---
----------M15A1 2121-----------------40150838*-------2121-----M15A1----------------------TX.-------------Reblt into M3
----------M15A1-2123-----------------40150840*------------------------
----------M15A1-2126-----------------------------------2126------M15A1----------------------Ca.-----Winch-Rblt into M16A1
----------M15A1-2150-----------------40150867-------2150------M15A1----------------------Ca.-----Roller-Reblt into M16A1 by B&M 05/53
----------M15A1-2155-----------------40150872-------2155------M15A1----------------------Fl-------Roller
----------M15A1-2156-----------------402408 ?--------2156------M15A1----------------------SC------Roller Ft. Jackson hardpad hood number bogus
----------M15A1-2178-----------------------------------2178------M15A1---------------------------------------G503 post
----------M15A1-2186-----------------40150903*------------------M15A1----------------------SC------------------
----------M15A1-2204-----------------40150921*------2204------M15A1----------------------Fl.------Roller
----------M15A1-2210-----------------40150927-------2210------M15A1----------------------Ca.----------------------------------hood # stmpd into frt bumper
----------M15A1-2246-----------------40150963-------------------M15A1---------------------------------------Reblt into M16A1 by B&M 05/53
----------M15A1 2254-----------------40438646 ?-----------------M15A1------02/44---------In.------Roller-Repop M3 D. P.
----------M15A1-2267-----------------40150984-------2267------M15A1------02/44----------
----------M15A1-2277----------------------------------------------------------------------------Ga.--------------In SECO's yard in 2007
----------M15A1-2292-----------------40151009-------2292*-----M15A1----------------------UT.-----
----------M15A1 2300-----------------40151017-------2300------M15A1-----02/44----------In.------Roller-Reblt into M16A1.
----------M15A1-2309-----------------40151026-------2309------M15A1----------------------Ok.--------------Ft. Sill ADA Museum
XX--------------------------------------40151050-------2333------M15A1---------------------------------------Last M15A1 hood #


LAST UPDATE 25JUL2023
by Kevin Lockwood
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked


Kevin Lockwood
G-Colonel
G-Colonel
Posts: 1695
Joined: Wed Mar 16, 2005 4:13 am
Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Sat Jan 23, 2021 6:34 am

Added M3A1-48057 built originally as a M3-75MM Converted by Autocar to a M3A1 late WW2.
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

Kevin Lockwood
G-Colonel
G-Colonel
Posts: 1695
Joined: Wed Mar 16, 2005 4:13 am
Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Fri Jan 29, 2021 6:45 am

Added:
Autocar M2A1 was M2 by Ordnance Dept. Ser # M2-5846 Ord # M2-5846 data plate only Lockwood collection
Autocar M2A1 was M2 by Ordnance Dept. Ser # M2-6411 Ord # M2-6411 data plate only as above
Autocar M2-------------------------------------Ser # M2-174 Ord # M2-174 data plate only as above
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

Kevin Lockwood
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Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Fri Feb 05, 2021 5:05 am

Thanks OurDayWWII!
Added: Autocar M15A1 Serial# M15A1-1600 Ord# 1600.
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

In THE mood
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Re: HALF-TRAC DATATBASE: AUTOCAR

Post by In THE mood » Fri Feb 12, 2021 12:22 pm

Hello

M2-7522 winch model UK
Had a number stamp 2A1 4020453
White M3 Halftrack'
Dodge WC57
Dodge WC52
GMC 353 Tipper
Willys Jeep

In THE mood
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Location:

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by In THE mood » Fri Feb 12, 2021 11:43 pm

Hello

I have a Data plate of a halftrack converted from M3 to M3A1 by Bowen & MC LAUGHLIN
Chassis number M3 27298.
The Netherlands stefan de Beule
White M3 Halftrack'
Dodge WC57
Dodge WC52
GMC 353 Tipper
Willys Jeep

Kevin Lockwood
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Joined: Wed Mar 16, 2005 4:13 am
Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Mon Feb 15, 2021 7:02 am

In THE mood:
Just to be sure! Does the data plate say Autocar. Does the serial number M3 27298 NOT have a dash between the M3 and 27298?
Kevin
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

In THE mood
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Joined: Thu Feb 25, 2016 10:54 am
Location:

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by In THE mood » Mon Feb 15, 2021 8:27 am

It’s a conversion tag doesn’t say the maker
It has a small damage between the m3 and 27298 so can not say it has a dash or not
Also can not read resri
White M3 Halftrack'
Dodge WC57
Dodge WC52
GMC 353 Tipper
Willys Jeep

Kevin Lockwood
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Posts: 1695
Joined: Wed Mar 16, 2005 4:13 am
Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Mon Feb 15, 2021 10:27 am

In THE mood:
I added Autocar M2-7522 Bumper stamped "2A1 4020453"
added Autocar M3-27298 Rebuilt by B&M into M3A1
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

jonsm114
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Location: St Louis, Missouri

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by jonsm114 » Sat Feb 27, 2021 6:01 am

kevin,

Please note the following updated info.

-M3A1-47670----------------4017216----------------------M3-75-----------------------Ky.-----Roller-Reblt from M3-75 GMC later reblt

Now located in Defiance, Missouri

Jon
M3 37mm Cannon Parts and Resin Weapon Replicas. We also manufacture reproduction Stuart parts.
Fuel tanks, Rear Exhaust and Air Deflectors, and other components.
314-703-9710

RB058
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Re: HALF-TRAC DATATBASE: AUTOCAR

Post by RB058 » Thu Mar 25, 2021 1:48 pm

M3-2125
Ord. nr. 448

M3 Converted to M3A1 by Bowen & McLaughlin

Dataplate found on a dashboard on a French yard. So the Halftrack is most likely parted out/ scrapped.
Attachments
M3-2125 dataplate.jpg

Jbaptiste63
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Posts: 2
Joined: Thu Sep 02, 2021 2:49 am
Location: FRANCE

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Jbaptiste63 » Thu Sep 02, 2021 6:00 am

Hi, I'm new owner of this beautiful vehicle !
you can correct N°48398 it's with winch & in France. :D

Kevin Lockwood
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Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Thu Mar 03, 2022 12:08 pm

Shoop: Changed M3A1-47670 to Mo.
Jbaptiste63: Changed 48398 to Winch in France
THANKS
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

Kevin Lockwood
G-Colonel
G-Colonel
Posts: 1695
Joined: Wed Mar 16, 2005 4:13 am
Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Thu Mar 03, 2022 12:11 pm

RB058: Can you type out the filled in fields exactly as stamped. I cannot see the photo clear enough.
Thanks
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked

Kevin Lockwood
G-Colonel
G-Colonel
Posts: 1695
Joined: Wed Mar 16, 2005 4:13 am
Location: Kansas

Re: HALF-TRAC DATATBASE: AUTOCAR

Post by Kevin Lockwood » Mon May 23, 2022 5:41 am

Added Autocar M3A1-47715. Converted to M3A1 from M3-75 GMC. Hood number 4017422 stamped into bumper.
42 Ford GPW
42 Oshkosh AAF Snowblower
41 White M2 halftrack
42 Autocar M2A1 was M2 halftrack
42 Autocar M3-75 halftrack
42 White M4A1 was M4 halftrack
43 Diamond T M3A1 halftrack
43 White M16 was M13 halftrack
44 LVT-3 Landing Vehicle Tracked


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