M-38A1 Research Archives


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Year? M-38A1 Acworth, GA $3100


UPDATE: Price dropped to $3100. A 1960 CJ-5 title has been pinned to this jeep, but it appears to be a 1952 or early 1953 based on the fenders and grille. This was listed in Georgia, but is now in Virginia.


(originally posted May 17, 2023): This extended M-38A1 includes some early Husky hubs. Thanks to Tom for spotting it. It does not run at the moment.


“1960 Jeep CJ-6, 134 F-Head Engine with about 10,000 miles, Has rare ventilating windshield, Warn hubs, working heater, CB Radio, AM/FM/CD Radio, Best Top with half doors and removable sides, 1-7/8″tow bar attached, This Jeep runs, drives and tows great, used for hunting and vacations. Never been wreck, I have original bows and doors and some new brake and other parts as well. I am the second owner and have had it for 25 years.
NB. Goes with a bill of sale and a title MD”

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1955 M-38A1 Martinsburg, WV $2500


Andy shared this find, which was previously listed in 2019. It’s an M-38A1 with an extended rear. We’ve seen a few of these over the years, but I don’t have much history about them. The half top looks like a sears branded one.


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“This is not a CJ6! This is extend behind the rear wheel like a scrambler. It is a super rare military Jeep that even most military Jeep enthusiasts know nothing about. I put the cj5 half cab on it but it can be easily removed. The engine ran but hasn’t for years now. The floorboards were very rusted and have been cut out to be replaced. I have a military tub with great flooring to go with it that needs to be welded in. This would be a great project that would be well worth the effort because of the rarity of this Jeep. Call me at 54zero 66four39two 3 and I can give you more info about it. Last picture is of another one like it”

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1952 M-38A1 Kingwood, TX $3000

• CATEGORIES: M-38A1 • TAGS: , .

This has an extended back and lots of diamond plate.


“1952 Willys Jeep, restored in 2008, has not ran in 10 years but keep in good condition during time and ready to go to a new owner to getting it runnings and use! 3 speed transmission with hi/lo shifter and 4 wheel drive.”

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1953 M-38A1 White, GA $5500


This has one of the extended rear bed setups. Seller has a second one (OD Green) that also has one.


“M38A1 it has been extended in rear…. battery box and slave receptical have been deleted.still has original motor and drive train just converted to 12 volt I’m not sure who did the metal work but it was not a back yard bubba job.. someone knew what they were doing and had metal working tools such as a bead roller to do the tool boxes. It was first air force jeep…then marine Corp then owned by fire department. I believe it was extended in the Marine corps or by the fire department I have seen several other Jeeps that look similar. Yes!!! It’s a m38a1 not a CJ!! It still has undercoating from the Marine Corps. All marine jeeps had this. I Have a title.”

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Year? M-38A1 Martinsburg, WV **SOLD**


UPDATE: **SOLD** Was $2800.

Here’s another M-38A1 with the extended rear. It looks to be a ’52 or early 1953.

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“I really hate to part with this project, but I just have too many. This is an original military type jeep but what makes it even more rare is that it was extended in the back like a scrambler for some special purpose. (not a cj6 because they were extended between the wheels and this one is extended in the back. As you can see it it has the military dash board, windsheild, front grill, cut out for battery box and heavy duty suspension and steering components. It looks like someone modified it at some point with a Buick Dauntless V6 225 and it ran when i parked it here.

It needs a new floor and i have another tub with a great floor that i was going to cut out and put in this one but never got around to it. This would be such a great head turner project with just some big tires and a great military type paint job or like with any jeep, whatever you can emagine. Call me to take a look at it. I garantee you will not find another one like this! Almost forgot. I have a half cab top for this thing so it could look like a pickup if you like.”

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1953 M-38A1 Hamilton, MT **SOLD**


UPDATE: **SOLD** Was $5500.

UPDATE: Still Available. There’s another example of the extended rear. See this post from 2014.

(04/06/2012) “1953 extended bed Willys. 4×4, original engine, new tires, added: removable rear seat, roll bar, attached front tow-bar. Asking price: $5,500.00”

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Extended M-38A1s – the Hamilton Mod?

• CATEGORIES: Features, M-38A1 • TAGS: .

Yesterday I re-posted the extended M-38A1 in Hamilton, MT, for sale. A reader named J commented that he had a similar one: same year with the same rear extension using rounded rivets. A third reader, back in 2012, mentioned he had one also (I’ve emailed him for more info). So, the call goes out . . . has anyone seen other, similar M-38A1s with a similar extension? Here’s a review of vehicles with mid section extensions (http://www.ewillys.com/tag/stretched/) and rear extensions (http://www.ewillys.com/tag/extended/)

J has examined his M-38A1 (named Porkchop) closely. He notes no place where the frame appears to have been joined. To him it looks more ‘production’ than ‘motor pool’.  He also hasn’t yet found a VIN attached to it. However, like the M-38A1 from Hamilton, it has a hinged grille, suggesting it’s a pretty early model. One difference between the two is that Porkchop has a mid-section extension as well, similar looking to a CJ-6.

Why are we calling it the ‘Hamilton Mod’? J and I had a little confusion between us when we exchanged emails. But, I kind of like the name. So, until we know more, that’s the new name.

Here’s J’s Porkchop (see more pics and info here at J’s website):

1953-m38a1-extended-hamilton-modFor comparison, here’s the jeep for sale in Hamilton, MT. Identical, no. But, still worth exploring. I’ve emailed the seller to learn some more history.