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M-151 MUTT Military Jeep

The M-151 series of jeeps were the last of the family of quarter-ton trucks that started with the World War II jeep. When the M-151A2 was replaced by the HMMWV, the era of the small, light jeep vehicle ended in the U.S. military.

M-151A2 quarter ton jeep, painted with camouflage pattern and marked to replicate a similar vehicle used by the 130th Infantry, Illinois Army National Guard from 1972 to 1989, when it was replaced by the HUMVEE. The Illinois Army National Guard Combined Support Maintenance Shop in Springfield, Illinois restored the vehicle.  The vehicle was manufactured by AM General with serial number 02B82273-20780.
M-151A2 quarter ton jeep, painted with camouflage pattern and marked to replicate a similar vehicle used by the 130th Infantry, Illinois Army National Guard from 1972 to 1989, when it was replaced by the HUMVEE. The Illinois Army National Guard Combined Support Maintenance Shop in Springfield, Illinois restored the vehicle. The vehicle was manufactured by AM General with serial number 02B82273-20780.

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Description of the M-151 Truck, Utility, 1/4 ton, 4x4 Jeep (G838)

Rollover Protection System (ROPS) equipped 1980 M151A2 Truck, Utility, 1/4 ton, 4x4, restored with EOD equipment and markings.  Photo:  Dan Parmley Jr.
Rollover Protection System (ROPS) equipped 1980 M151A2 Truck, Utility, 1/4 ton, 4x4, restored with EOD equipment and markings. Photo: Dan Parmley Jr.

The M-151 jeep was in U.S. military service from 1962 into the 1990s, ultimately replaced by the High Mobility Multi-purpose Wheeled Vehicle (HMMWV). This vehicle was also called the MUTT (Military Utility Tactical Truck). In appearance it was a direct descendant of the World War II Willys MB (and Ford GPW), a 1/4 ton 4x4 useful for a great many light tactical missions.

There were a number of variants of the M151 manufactured or field modified:

  • M-151 (Truck, Utility) NSN 2320-00-542-4783
  • M-151A1 (Truck, Utility) NSN 2320-00-763-1092
  • M151A2 (Truck, Utility) NSN 2320-00-177-9258 (2320-01-264-4819 w/ROPS)
  • M151A1C (106mm Recoilless Rifle platform) NSN 2320-00-763-1091
  • M151A1D (M151A1C modified according to MWO-9-2320-218-30/5 for Davy Crockett missile mount M28)
  • M825 (M151A2 based 106mm Recoilless Rifle or TOW platform) NSN 2320-00-177-9257
  • M718 (Frontline Ambulance) NSN 2320-00-782-6056
  • M718A1 (Frontline Ambulance) NSN 2320-00-177-9256
  • M151 FAV (M151A2-based Fast Attack Vehicle, USMC)

Find additional photos and hi-res versions of the M151 family of military jeeps at the Olive-Drab Military Mashup:

M151 Truck, 1/4-ton, 4x4 jeep at Ft. Hood, Texas, circa 1974.  Rear window has been treated with experimental coating to extend its life.
Members of the 16th Military Police Brigade, XVIII Airborne Corps, patrol a prisoner holding area in an M151 light utility vehicle during Operation URGENT FURY, Grenada, 25 October 1983. An M60 machine gun is mounted on the vehicle.
Members of the 276th Military Police (MP) Company prepare to move out in M-151A1 light vehicles to secure the perimeter of the Central Command area during the multinational joint service Exercise BRIGHT STAR 85, Cairo West, Egypt, August 1985.
An M151A2 1/4-ton truck (jeep) comes ashore from a utility landing craft LCU 1653 during an amphibious demonstration for the 14th Annual Inter-American Naval Conference. 17 May 1988.
M151 'Dune Buggy' assembled by the staff of the Naval Communication Station, Cam Ranh Bay, Vietnam. In the photo, Commander William J. Longhi poses with the jeep, used to patrol the perimeter.
Officials ride in an M151A2 jeep at the 29th Infantry Division reactivation ceremony, 1985.  The 29th Infantry Division returned to the active force in the Maryland and Virginia Army National Guard as a light division in 1985. Resources from the 58th and 116th Infantry Brigades provided the nucleus for the new division, which was headquartered at Fort Belvoir, VA.

Partial Bibliography of the M-151 Truck, 1/4 ton, 4x4 Jeep

  • US Military Wheeled Vehicles
  • Standard Catalog of U.S. Military Vehicles
  • Indestructible Jeep
  • Warmachines No.14 : 1/4 Ton M151 Mutt
  • U.S. Dept of Army Publications:
    • Technical Manual TM9-2320-218-10, Operator's Manual, editions in October 1962, March 1968, September 1971, and August 1978
    • Lubrication Order LO9-2320-218-12
    • Technical Manual TM9-2320-218-20, Organizational Maintenance Manual
    • Technical Manual TM9-2320-218-20P, Organizational Maintenance Repair Parts and Special Tools Lists
    • Technical Manual TM9-2320-218-34, Direct Support, General Support Maintenance
    • Technical Manual TM9-2320-218-34P, Direct Support and General Support Maintenance Repair Parts and Special Tools List
    • Technical Bulletin TB9-2320-218-10-1 Safe Operation of Truck, Utility, 1/4 ton 4x4
    • MWO 9-2320-218-34, Installation of Rollover Protection System (ROPS) M-151A2, August 1987. Vehicle National Stock Number (NSN) will be changed to 2320-01-264-4819 as indicated on new data plate supplied with the MWO.

M-151A1C and M-825 Recoilless Rifle Jeeps

ARVN M825 jeeps equipped with M220 TOW Anti-Tank Missiles line up in Pleiku, Vietnam, 1972.
ARVN M825 jeeps equipped with M220 TOW Anti-Tank Missiles line up in Pleiku, Vietnam, 1972. Thanks to Robert Naborney for correct ID of the early model "long barrel" TOW system.

The M-151A1C was a version of the M-151A1 modified to accomodate the M40A2 106mm Recoilless Rifle. Breaking the pattern of model numbers, the version of the M-151A2 modified for the Recoilless Rifle was designaged the M-825.

M-151 Photos on Olive-Drab.com

The Olive-Drab.com Military Vehicle Charts includes a set of pages for the M-151 family. In the listing of models near the top of this page, the links go to the page of the Charts for the specific variant.

Courtesy of Todd Richardson of Little Rock, AR here is a good set of photos of an M-151A2:

Find More Information on the Internet

There are many fine websites that have additional information on this topic, too many to list here and too many to keep up with as they come and go. Use this Google web search form to get an up to date report of what's out there.

For good results, try entering this: jeep m151. Then click the Search button.

A selection of M151 Internet Resources are available on the linked page.

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