Rear Prop Shaft - Fat or Skinny - Please check your Number

Nov. 18, 1941 - MB100001 thru Mar. 6, 1942 - MB125809 NO EBAY or COMMERCIAL SALES.
JeePa
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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by JeePa » Tue Dec 17, 2019 12:33 pm

Jay here in north central Wisconsin with Willys script Slat grill SN 122397 undergoing restoration. DOD 2/23/1942 Reg # (actual) 2049887
Body #25728 With glovebox. Fat rear prop shaft
Please add to list if not already done.Regards JeePa(aka Mobilized Medic)


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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Davis85 » Tue Feb 11, 2020 1:45 pm

Slat 115020, skinny shafts

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by tizzard » Thu Feb 13, 2020 11:20 am

Slat Grill 123045 DoD 03 25 42 - Fat prop
Willys Slat Grill 123045. Body No.23765. DoD 3 - 25 - 42 .ARN No. 79545
1939 Royal Enfield WD/C 350cc solo motorcycle

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Mark Jesic » Thu Feb 13, 2020 11:49 am

Slat 119696, skinny, D.O.D. 2-13-42.

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by cbennett » Wed Mar 11, 2020 11:19 am

MB-127897 DoD 3/16/42

Fat Rear Driveshaft

Cam
Willys Script MB-127897 (CHI) flat top grill, DoD 3-16-42

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Unibuddy » Fri May 01, 2020 2:35 am

112677 has the fatty

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by bserfass » Wed Jul 01, 2020 10:44 am

MB 110730 January 9 1942 has a FAT Shaft
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Easton PA

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Radmonster » Mon Nov 09, 2020 2:38 pm

mb 102550 12-17-41 thin shaft

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by JCappy » Mon Nov 09, 2020 3:05 pm

Got a spare rear FAT shaft for sale $245 PM me if interested
John Warren Cappel

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Jeff Post » Sat Mar 20, 2021 10:08 am

MB100064 Skinny drive shaft but no way of knowing if it is original.
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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Hobo » Mon Apr 05, 2021 5:15 am

119965 - skinny
120292 - skinny
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GPW 213313 (HOBO) DoD 7-26-44
GPW 261254 (SUSIE BLUE) DoD 3-26-45 (est.)
MB 177547 (JONSEY) DoD 9-28-42
MB 290875 (HOBBES) DoD 12-21-43

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Hobo » Mon Apr 05, 2021 5:24 am

290875 came with a FAT one, but that Jeep went through a rebuild after the war...so, that is unconfirmed and seems a bit late anyway
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GPW 213313 (HOBO) DoD 7-26-44
GPW 261254 (SUSIE BLUE) DoD 3-26-45 (est.)
MB 177547 (JONSEY) DoD 9-28-42
MB 290875 (HOBBES) DoD 12-21-43

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by MAJ Tim » Tue Oct 19, 2021 5:43 pm

#101109 skinny 27 Nov 41
'41 MB #101109 Slat
'42 GPW #48315 Script
'45 WC-51 #81775409
'41 WC-8 #8673877
'45 M-29C #14480 Weasel
'43 Bantam TC-3 1/4 ton Trailer
'44 Converto Dump Trailer #886214
'40 Spen Hur 1 ton Trailer
2 K-38 Signal Corps Trailers
'43 and 2 ''44 John Wood M3A4s, RL-35 Reel Cart

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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by Bangle 99 » Fri Feb 18, 2022 12:35 pm

MB203621, not slat, but still had fat rear prop shaft when pulled from the pasture.
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Re: Rear Prop Shaft - Fat or Skinny - Please check your Number

Post by pgcf » Sun Feb 20, 2022 8:23 am

The Fat Prop shaft is not a Slat Grille thing, it is an MB thing that lasted well into 1943. They fell into the "use until supply is exhausted" category and could possibly show up on an early '44 MB. Once a jeep went through a rebuild it was probably replaced which explains the inconsistency of their presence.

The ORD Dept. did comparison and performance tests at Aberdeen in the Summer of 1943, their goal was to establish consistency. They compared a May '43 MB and May '43 GPW that were built the same week. The report pointed out the differences and interchangeability of parts as well as performance and wear. This test included dismantling and checking the engines.

We all know there were many changes along with the adoption of the ACM 2 body.

The manuals are a good source but I have seen fat propellor shafts on unmolested MB's well into Dec. 1943. My Dec. '42 has one and my May '43 MB (237366) had one on it when I bought it in 1982.

The TM10-1186 dated July '43 lists the Part # as A-1429, the Jan. '44 SNL G503 shows a picture of the fat prop shaft and lists the same part number. Fast forward to the Feb. 45 ORD 9 SNL G-503 and they show the thin prop shaft on p.140 and the fat prop shaft on p.141. Both have the Part # A-1429.

Willys changed parts without changing the part number. For example, the transmission/transfer skid plate evolved from a 2-piece, to a single piece (like Ford), to the late-style for the internal style parking brake and the part number never changed.

Remember, just because the information is printed in black and white does not mean the facts are that clear cut.

Hope this helps.

Cheers,
Peter


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