Ford GPA serial numbers & photos WANTED

Amphibious Wheeled Military Vehicles, Wanted, For Sale (NO AUCTION or EBAY) and Knowledge Base
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Gavin Walker
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Ford GPA serial numbers & photos WANTED

Post by Gavin Walker » Thu May 22, 2014 6:56 pm

Hi, Everyone
My Name is Gavin Walker and I'm after GPA serial number info.
I'm after any serial numbers of Ford GPA's and photos if possible. I'm after GPA's That are still around today (survivors)
I'm after if you know the following.
Serial number on data plate (if you have)
Engine number
Chassis number.(frame number)
USA number( if you know)
Del. Date.
Location Country:
(I do NOT need to know who owns it)

Any Info would be great
E-mail info and photo's to gavin@jacobsens.com.au
And we will add them to the List i'm working on
Thanks Gavin Walker
Last edited by Gavin Walker on Tue Apr 16, 2019 11:20 pm, edited 2 times in total.
Interests FORD GPA'S AND WILLYS MA'S


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acmack
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Re: Ford GPA serial numbers & photos WANTED

Post by acmack » Tue May 27, 2014 3:39 pm

Gavin, I thought Eric Rouvez (Mithril) has a comprehensive database compiling as well?

Eric's list or the one you've linked, should be made a Sticky just like the prototype jeep section has.

David
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Re: Ford GPA serial numbers & photos WANTED

Post by hummermark » Wed Jan 02, 2019 2:59 am

Do you want any information on Gpas that are on your list but now in another country and new owner ?
M1030M1 JP8 diesel
2008 M1113 Humvee
Cushman 53
M10 Achilles
M274 A2 Mule
Matchless g3l
1944 WLA
M1030 KLR 650
Gpa

Gavin Walker
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Re: Ford GPA serial numbers & photos WANTED

Post by Gavin Walker » Wed Jan 02, 2019 1:03 pm

Sure any info & photos would be great.
Send them to gavin@jacobsens.com.au
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Re: Ford GPA serial numbers & photos WANTED

Post by Adam » Tue Apr 16, 2019 4:31 am

Is that link in the first post any good, virus software wont open it, can you fix it or delete it.

Adam

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Re: Ford GPA serial numbers & photos WANTED

Post by Gavin Walker » Tue Apr 16, 2019 11:22 pm

The web site is down getting repairs and updates. Will be up and running again soon .
Thanks Gavin
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JAB
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Re: Ford GPA serial numbers & photos WANTED

Post by JAB » Wed Mar 18, 2020 1:32 pm

Please let us know when it's fixed. In the meantime I just posted this elsewhere here.


In about 1987 I bought a '45 GPW for parts for my script GPW. It turned out to be too good to part out so I refurbished it, drove it for while, and sold it about 20 years ago. It did come with an extra Ford motor that was on the guys junk pile. I kept the motor for my script GPW-37718, which, now that I'm retired, I hope to start on (in a year or two) after I catch up on other things. In looking for parts for the vehicle I'm working now on I found myself nearly trapped in my "parts pile"; actually two jeeps stacked on top of each other, facing that motor in the back seat area. Since I was nearly stuck there and my wife luckily happened to come out to see me about something I convinced her to hand me a wire brush. I already had a flashlight, so I did a little brushing and this is what I found! GPA-345!
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-Jeff

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Re: Ford GPA serial numbers & photos WANTED

Post by Gavin Walker » Fri Mar 20, 2020 6:55 pm

http://www.willysma.com/gpa_serial/gpa_ ... y=serialNo

It website is running again
Your engine is a very early one as the serial numbers started at GPA1
In 1944 & 1945 some GPA amphibious jeep were dismantled for there engines, diffs and running gear. Spare parts for Standard GPW/MB jeeps.
I would guess that you your engine might of came from one of these early batches that was dismantled.
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JAB
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Re: Ford GPA serial numbers & photos WANTED

Post by JAB » Sat Mar 21, 2020 12:50 am

Very interesting! Thank you Gavin!
-Jeff

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Re: Ford GPA serial numbers & photos WANTED

Post by IRQVET » Fri Jun 05, 2020 4:35 pm

I emailed my stuff in, but somehow I noticed it never made it onto the database. :?:

Granted, all I have is a running GPA engine.
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Re: Ford GPA serial numbers & photos WANTED

Post by mav1942 » Mon Nov 23, 2020 11:00 am

I'm looking at purchasing a 42 gpw with a gpa engine. It currently resides in PA. It looks like it wqs double stamped, not sure what's going on there, but the numbers look like GPA 2977 and stamped above it is 1182111.
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3/8, 2nd Marine Division
42 GPW

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Re: Ford GPA serial numbers & photos WANTED

Post by JAB » Tue Nov 24, 2020 2:05 am

Maybe one of those disassembled seeps mentioned above that was installed into MB1182111?
-Jeff

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Re: Ford GPA serial numbers & photos WANTED

Post by JAB » Wed Jan 17, 2024 4:43 am

Just a quick update on engine GPA-345. I tore it down to inspect it and was cleaning it up in anticipation of what looked to be a quick re-assembly and installation into GPW-37718. It is standard bore with only enough wear to wear off the original cross/hatch honing. I think it was removed from service very early because of a casting flaw in cylinder #3 that allowed oil and coolant to mix over time (just below the travel of the rings). After being pulled it must have been worked on as cylinder #4 was sleeved. Maybe they sleeved the wrong cylinder? When I opened it up the rings were rusted to the sleeve in #4 and so full of carbon that they were frozen to the piston. I had a heck of a time getting it out. The exhaust valve on #4 was so caked with carbon that there was no way there was any flow other than what the gap around the seat area allowed when the valve was up. I dropped it off yesterday to get the #3 cylinder sleeved and years ago I bought a set of NOS 0.020” over GPW pistons and rings so it will live again. My point is that this might not have come from dismantling a GPA but from failing in service when fairly new. How it got out and into the public domain and installed in another Jeep, just to fail again might be an interesting story, but it’s lost to history. It also had an M38/CJ3A front plate, with the forward ear cut off and welded backwards to fit the MB/GPW/CJ2A chassis and a gear-drive crank with the chain installed. The counterweight did hit and smoosh the oil galley plug but the block luckily survived. Obviously Bubba had his way with this engine over the years.
-Jeff

GR8GPN2U!!!

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Re: Ford GPA serial numbers & photos WANTED

Post by Ian Grieve » Sun Jun 09, 2024 6:22 pm

Gavin

A quick question, are you still keeping the Serial Number list up to date?

Ian

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Re: Ford GPA serial numbers & photos WANTED

Post by Ian Grieve » Sun Jun 09, 2024 6:33 pm

Gavin

A quick question, are you still keeping the Serial Number list up to date?

Ian


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