The CJ3B Page has obtained photographs which show CJ-3B-type Jeeps in use in joint U.S. and ARVN military operations during the Vietnam war. Many of them are CJ3B-J4 and J4C models, manufactured under licence in Japan during the 1960's by Mitsubishi, as well as M606 Jeeps built in the U.S. by Kaiser.
Most of the Mitsubishi Jeeps are in ARVN markings, although the J4 and J4C were also used by the U.S. Army. These Jeeps appear primarily in support rather than combat roles.
Willys station wagons make an appearance in one photo, playing a role in a 1965 roadblock operation involving the U.S. 101st Airborne Division.
For more photos and specifications of the Mitsubishi J4 and J4C, see CJ3B-J4 Military Jeeps on The CJ3B Page.
There are several variations of the CJ3B-J4 and J4C models. The Japanese Army used a J4M which mounted a 106mm recoilless rifle, the U.S. Army had an ambulance version, and there have also been versions with body armor added.
The U.S. Army issued an "Armor Adaptation Kit" for the Mitsubishi Jeeps, consisting of steel plates for windshield, sides and back. There are photos in the installation manual for the kit (44K GIF), issued as Modification Work Order J9-601-10 from U.S. Army Depot Command, Japan, in January 1968, but no photographs have surfaced showing it in use. The manual estimates installation time as 12 man-hours, and surprisingly says the weight of new parts and materials is "not pertinent." The kit appears somewhat primitive in comparison to the armour in the photo below.
A Mitsubishi J4C with a locally-made armored windshield, was photographed in Saigon on 13 September 1964, being used in the suppression of the coup d'etat by Lt.General Ngnyen Khanh.
The Ford M151A was the principal U.S. combat jeep in Vietnam, but the Kaiser-Willys M38A1 is also in evidence in the photos. Although a newer design than the CJ-3B, most of the M38A1's had been in service longer than the CJ3B-J4C's made by Mitsubishi.
Thanks to Morihisa Ochi for finding the photos. -- Derek Redmond
See more CJ-3B Jeeps in Vietnam.
Also on The CJ3B Page, see more CJ-3B and M606 Military Jeeps.
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