Armor/AFV: Vietnam
All things Vietnam
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M38A1 Jeep in Vietnam?
trickymissfit
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Posted: Monday, May 17, 2010 - 04:48 PM UTC

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a CJ-5 Jeep and an M38 Jeep are different animals. The CJ-5 is about 20% bigger, but they do bare similar cosmetics. The frame and suspension is similar in design, but of course a little bigger.

gary



I found the following Spec info on the internet: Don't know if it is correct It came from 3 different sites.

M38A1 wb 81". L 138-5/8" W 60-7/8" max H 74-3/4" min H 56-1/2"
CJ5 wb 81.1" L 138.6" W 61.0" H 68.5"
CJ7 wb 93.4" L 153.2" W 65.3" H 71.9" (soft top)

It appears the CJ5 and M38A1 are the same size

----------------------------------------------------

MB/GPW wb 80" L 132.25" W 62" H 69.75 " (tpop Up) 52" (top down)
M151 wb ? L 133" W 64" H 71"



Yes, the M38A1 and the CJ-5 are the same basic vehicle. The M38A1 is a militarized CJ-5. It was an intrim vehicle that was pressed into service during the Korean war to fill the gap of needed Jeeps since the Army had sold off a lot of Jeeps as surplus after WWII.

The differences were minor:
The M-38A1 differed from the CJ-5 in that it had a stronger frame and suspension, reversed front spring shackles, standardized GI instruments, and a 24-volt electrical system. A provision for a machine gun mounting post was installed on the floor of the body tub.



like I said mine was the Buick V6 engine, and I do know the the CJ-5 used a four cylinder as well. Reason I remember so well as it's the only engine I've ever heard of that used an "F" head. Kind of a combination of an overhead valve engine and a flathead (wierd!) Also the military used a different electrical system as you said. Anybody got a picture of the engine?
gary
trickymissfit
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Posted: Monday, May 17, 2010 - 05:23 PM UTC
I'm back again.
sometime in the early 1970's Jeep stretched the front fenders and hood five inches (mine was a 1974) so they could put in a V8 as well as the AMC inline six cylinder engine. Now thinking back, I now think maybe it was the eight cylinder engine instead of the V6 as they don't even list it for that year. I know for sure it was not a four cylinder engine. So it appears that there actually was two different CJ-5's (I had mine for about three months, and that was in the late 1970's)
gary
casailor
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Posted: Monday, May 17, 2010 - 05:47 PM UTC
From my experience driving M151A1s and a2s, I found them much safer off the road than on it. I've seen them roll on a hard top road as slow as 15mph. Out in the boonies I could cross a 60% slope horizontally with no trouble at all. Properly loaded the center of gravity was actually below the hood line. Unless you overloaded them with stuff lashed ont he fender wells and on top of the hood they were very stable on dirt.
highway70
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Posted: Monday, May 17, 2010 - 06:08 PM UTC

Quoted Text

I'm back again.
sometime in the early 1970's Jeep stretched the front fenders and hood five inches (mine was a 1974) so they could put in a V8 as well as the AMC inline six cylinder engine. Now thinking back, I now think maybe it was the eight cylinder engine instead of the V6 as they don't even list it for that year. I know for sure it was not a four cylinder engine. So it appears that there actually was two different CJ-5's (I had mine for about three months, and that was in the late 1970's)
gary



You are correct. Found at http://www.4-the-love-of-jeeps.com/jeep-cj6.html

"The Jeep CJ6: The Long And Short Of It!?

...........................................

By 1972 Both the CJ6 and the CJ5 were lengthened another 3 inches each to accomodate American Motors larger, more powerful engines.

The two Jeeps shared everything except length. Initially they were available with the Kaiser/Willys 4 cylinder (134 c.i.) F-head engine as standard with an optional V6 (Buick Dauntless 225 c.i.) or 4-cylinder (192 c.i.) diesel.

Later, new owners American Motors Corporation, installed a GM and soon after, an AMC 4-cylinder engine as base standard, while the AMC in-line sixes ( 232 c.i. or 258 c.i.) and V8 (304 c.i.) were options.

....................."
trickymissfit
Joined: October 03, 2007
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Posted: Monday, May 17, 2010 - 06:27 PM UTC

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I'm back again.
sometime in the early 1970's Jeep stretched the front fenders and hood five inches (mine was a 1974) so they could put in a V8 as well as the AMC inline six cylinder engine. Now thinking back, I now think maybe it was the eight cylinder engine instead of the V6 as they don't even list it for that year. I know for sure it was not a four cylinder engine. So it appears that there actually was two different CJ-5's (I had mine for about three months, and that was in the late 1970's)
gary



You are correct. Found at http://www.4-the-love-of-jeeps.com/jeep-cj6.html

"The Jeep CJ6: The Long And Short Of It!?

...........................................

By 1972 Both the CJ6 and the CJ5 were lengthened another 3 inches each to accomodate American Motors larger, more powerful engines.

The two Jeeps shared everything except length. Initially they were available with the Kaiser/Willys 4 cylinder (134 c.i.) F-head engine as standard with an optional V6 (Buick Dauntless 225 c.i.) or 4-cylinder (192 c.i.) diesel.

Later, new owners American Motors Corporation, installed a GM and soon after, an AMC 4-cylinder engine as base standard, while the AMC in-line sixes ( 232 c.i. or 258 c.i.) and V8 (304 c.i.) were options.

....................."



did you get a good look at that F head motor? Now there's a strange animal!
gary
joegrafton
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Posted: Monday, May 17, 2010 - 08:03 PM UTC
All this info is brilliant & I'd like to thank everybody for their contributions. Please keep them coming.
So, after reading all this I'm still not sure which version was used in Vietnam. And will the AFV Club version be okay to use?
Joe.
zapper
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Posted: Monday, May 17, 2010 - 10:54 PM UTC
Well, there's three different vehicles to choose from:
M38A1
CJ-5 (civil version of the M38A1)
and
M606A2/A3 (military export version of the CJ-5)

The vehicle lacks details that I would expect to see on a M38A1, it have a bumper used on CJ-5/M606A2/A3 and it have the split windshield (feature of M38A1 and M606AX - a CJ-5 should have a one piece windshield). So I'll still vote for an M606A2/A3 (I don't know exactely what the differences are between A2 and A3).

Can the M606AX been exported to some of the allied forces in Vietnam and then perhaps "liberated" by the transportation unit?

Regarding the AFV Club kit it could probably be changed but do you have to build exactly the one in the photo (wich I assume to be an M606AX)? I would rather just build it as an M38A1 (saves you the trouble). Animal and Sapper141 among others confirms its use. So independently of the exact version in the photo the M38A1 did serve in the army/Vietnam. As for now I can't think of any other photo of it in army/Vietnam use - only USMC one's comes to mind. Perhaps you could build a small scene with one in USMC markings beeing painted over by some army soldier. Or is it totally unrealistic that a jeep could be "borrowed"?

I'd be glad if somebody would correct/confirm my assumptions.

/Cheers,
/E
joegrafton
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Posted: Tuesday, May 18, 2010 - 12:26 AM UTC
Hi Erik,
Thanks for your reply.
No, I dont have to build this specific vehicle. I would be just as happy building a USMC version. If you have any good pictures of the USMC version they would be greatly appreciated, Erik.
I also have some M38A1 wheels with chains on them from Tank Workshop Models that I would like to use. During the monsoon in Vietnam I would imagine that much of the country turns to a sea of mud so would it be plausible for this jeep to actually have wheel chains fitted whilst in country?
Thanks again.
Joe.
Frenchy
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Posted: Tuesday, May 18, 2010 - 02:25 AM UTC
Joe
If you need some reference pics for M38A1 Vietnam-era US Army markings, just take a look here :
http://my-m38a1.blogspot.com/
The owner has restored a M38A1 with the markings of the 128th Aviation Co he belonged to during the war.

Frenchy
Frenchy
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Posted: Tuesday, May 18, 2010 - 03:40 AM UTC
USMC M38A1s in Vietnam :

Chu Laï landing, March 1966 :


Another one (with a M55 SPH in the background):


http://www.navsource.org/archives/10/16/1016116576.jpg



M170 :



Enlarged picture

Frenchy
trickymissfit
Joined: October 03, 2007
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Posted: Tuesday, May 18, 2010 - 05:24 AM UTC

Quoted Text

Well, there's three different vehicles to choose from:
M38A1
CJ-5 (civil version of the M38A1)
and
M606A2/A3 (military export version of the CJ-5)

The vehicle lacks details that I would expect to see on a M38A1, it have a bumper used on CJ-5/M606A2/A3 and it have the split windshield (feature of M38A1 and M606AX - a CJ-5 should have a one piece windshield). So I'll still vote for an M606A2/A3 (I don't know exactely what the differences are between A2 and A3).

Can the M606AX been exported to some of the allied forces in Vietnam and then perhaps "liberated" by the transportation unit?

Regarding the AFV Club kit it could probably be changed but do you have to build exactly the one in the photo (wich I assume to be an M606AX)? I would rather just build it as an M38A1 (saves you the trouble). Animal and Sapper141 among others confirms its use. So independently of the exact version in the photo the M38A1 did serve in the army/Vietnam. As for now I can't think of any other photo of it in army/Vietnam use - only USMC one's comes to mind. Perhaps you could build a small scene with one in USMC markings beeing painted over by some army soldier. Or is it totally unrealistic that a jeep could be "borrowed"?

I'd be glad if somebody would correct/confirm my assumptions.

/Cheers,
/E



the 101st had some M38's used by MP's. I saw some Navy guys in one once that was painted a grey color down in Nuc Mao (right below Gator). I cannot ever remember seeing Marines riding in one out on Highway One; let alone further west. Perhaps north of Da Nang?
gary
joegrafton
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Posted: Tuesday, May 18, 2010 - 07:16 AM UTC
Hi fellas,
Oh Frenchy! Superb photos, yet again! There are some Army ones & USMC ones! Brilliant!
Two questions: Were the USMC markings always in yellow (for all their vehicles?) & what is that trailer in the foreground of one of those photos (the trailer up near the camera)? What model manufacturer, if any, make this trailer?
Yeah, okay, that's three questions...
Joe.
trickymissfit
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Posted: Tuesday, May 18, 2010 - 07:45 AM UTC

Quoted Text

Hi fellas,
Oh Frenchy! Superb photos, yet again! There are some Army ones & USMC ones! Brilliant!
Two questions: Were the USMC markings always in yellow (for all their vehicles?) & what is that trailer in the foreground of one of those photos (the trailer up near the camera)? What model manufacturer, if any, make this trailer?
Yeah, okay, that's three questions...
Joe.



Marines marked their stuff in yellow, and the Army used white
gary
Frenchy
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Posted: Tuesday, May 18, 2010 - 08:11 AM UTC

Quoted Text

what is that trailer in the foreground of one of those photos (the trailer up near the camera)? What model manufacturer, if any, make this trailer?



Looks like a M100 1/4 ton trailer :

Don't know of any 1/35th scale kit for it, but it's quite close to the WW2 1/4 ton jeep trailer (included in the old Tamiya and Italeri Jeep kits ) :
http://wwiijeepparts.com/Archives/JeepTrailer.html
http://www.olive-drab.com/idphoto/id_photos_m100.php

Frenchy

joegrafton
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Posted: Tuesday, May 18, 2010 - 08:57 AM UTC
Thanks boys, for answering my questions.
And thanks again for the great photos. If you find any more please dont forget to post them here!
Joe.
trickymissfit
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Posted: Tuesday, May 18, 2010 - 02:53 PM UTC

Quoted Text


Quoted Text

what is that trailer in the foreground of one of those photos (the trailer up near the camera)? What model manufacturer, if any, make this trailer?



Looks like a M100 1/4 ton trailer :

Don't know of any 1/35th scale kit for it, but it's quite close to the WW2 1/4 ton jeep trailer (included in the old Tamiya and Italeri Jeep kits ) :
http://wwiijeepparts.com/Archives/JeepTrailer.html
http://www.olive-drab.com/idphoto/id_photos_m100.php

Frenchy




I built a jeep a long long time ago that had a trailer like that. Maybe a Monogram?
gary
skyhawk
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Posted: Wednesday, May 19, 2010 - 02:12 AM UTC

Quoted Text


Quoted Text

what is that trailer in the foreground of one of those photos (the trailer up near the camera)? What model manufacturer, if any, make this trailer?



Looks like a M100 1/4 ton trailer :

Don't know of any 1/35th scale kit for it, but it's quite close to the WW2 1/4 ton jeep trailer (included in the old Tamiya and Italeri Jeep kits ) :
http://wwiijeepparts.com/Archives/JeepTrailer.html
http://www.olive-drab.com/idphoto/id_photos_m100.php

Frenchy




You can use the trailer in Academys hardtop MUTT kit, as it comes with the rounded fenders as well as the octgonal ones. It would be a good start. As for the wheels..you could make a mold/cast copies out of the M38 kit.

Andy
Chilihead
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Posted: Wednesday, May 19, 2010 - 03:59 AM UTC
I have a few KILLER images of M-38's in Nam with the 6th S.F. group, I plan on building this jeep and present it to my buddy who was the driver of it back in 1966.
Mounted the M-60 (backwards in the mount?) and the .30 cal.
Mrosko
joegrafton
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Posted: Wednesday, May 19, 2010 - 04:55 AM UTC
Hi guys,
Thanks Andy, for the Academy Mutt tip & Chris, I dont suppose you could post those killer images on this thread, could you? Or, mabye even PM me?
Thanks guys. I like the way this thread is going. Keep up your responses!
Joe.
trickymissfit
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Posted: Wednesday, May 19, 2010 - 06:40 AM UTC

Quoted Text

Hi guys,
Thanks Andy, for the Academy Mutt tip & Chris, I dont suppose you could post those killer images on this thread, could you? Or, mabye even PM me?
Thanks guys. I like the way this thread is going. Keep up your responses!
Joe.



you need M38 pics?
glt
joegrafton
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Posted: Wednesday, May 19, 2010 - 06:57 AM UTC
Hi Gary,
Yes please! If you've got them or you can get them then I'd love to see'em!
By the way, I checked out that Academy M151A2 hardtop with trailer & the wheel arches on the kit trailer are much more angular than the arches on the one in the above photo. Would the trailer in the above photo be WWII issue?
Joe.
Frenchy
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Posted: Wednesday, May 19, 2010 - 07:30 AM UTC

Quoted Text

By the way, I checked out that Academy M151A2 hardtop with trailer & the wheel arches on the kit trailer are much more angular than the arches on the one in the above photo.



Joe
Just take a closer look at Andy's review pics of the sprues
https://armorama.kitmaker.net/review/3044

Frenchy
joegrafton
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Posted: Wednesday, May 19, 2010 - 07:51 AM UTC
Hi Frenchy,
Thanks for pointing that review out. The review mentions that the trailer in the kit is another trailer & not the one you mentioned above. But it appears to be exactly the same. Is the trailer in the Academy kit the one that I am looking for?
Thanks again, my friend.
Joe.
Frenchy
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Posted: Wednesday, May 19, 2010 - 08:42 AM UTC
Academy trailer is a M416, whereas the one in the picture I've posted is a M100 BUT...these two trailers are very similar if not the same, so IMHO yes you could use it (with the rounded fenders option) to build a M100. Just compare pics of both to spot the differences. I believe dimensions should be quite similar as well. For the wheels, as Andy says, you could make copies of the M38A1 kit wheels.

Frenchy
joegrafton
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Posted: Wednesday, May 19, 2010 - 08:46 AM UTC
Hi Frenchy,
Thanks, my friend. You are such a great help!
Joe.