One click away from a complete technical library for the M274A & A1 Mule

Exactly what you need to operate, restore and maintain the M274A2 through A5 Mule

Changes for the Rebuild Manual for AO4-53 (Willys 4-cylinder) in M274 & M274A1

Organizational Maintenance for Truck, Platform Utility, 1/2 Ton, 4x4 (Mule M274A2-A5), dated July, 1967

Gorgeous oversized 15 oz ceramic mug with an excellent line drawing of an M274 Military Mule on one side and the Portrayal Press eagle on the other.

Lubrication Order for M274 & M274A1 (Willy's 4 cylinder engine)

Lubrication Order for M274 "Mule"

Engine Starting Instructions.  M274 & M274A1 only (4 cylinder Willys).

Repair Parts and Special Tool List for Engine, Gasoline, 14 HP (Military Standard Model AO42) Used on Truck, Platform, Utility 1/2 Ton, 4 x 4, M274A2 - M274A5.

This is the illustrated parts guide for the 2 cylinder Hercules motor found on all but the early Mules.

February 1968 Edition.

Operators Manual for M274 & M274A1 (Willy's 4 cylinder engine)

TM 9-2320-213-20 Organizational Maintenance for M274 & M274A1 (Willy's 4 cylinder engine). October 1965 Edition.

This is the US Army's "routine" maintenance manual for the early M274 Mule with the Willy's 4 cylinder engine. Covers basic maintenance and troubleshooting.

Note: The pictured manual is a shop worn original. You will receive a high-quality, new printing with a crisp cover page. You get to add your own grease.

Format: Perfect bound
Pages: 150

Rebuild Manual for M274 & M274A1 (Willy's 4 cylinder engine)

Ordnance Field and Depot Maintenance: Body, Chassis and Peculiar-Type items for 1/2 Ton 4x4 Infantry Light Weapons Carrier M274.

This is a very early rebuild manual for the M274 Mule with 4 cylinder Willy's Motor.

July 1958.
Softcover, 40 pages

Field and Depot Maintenance Repair Parts Allowances for Body, Chassis and Peculiar-Type items for 1/2 Ton 4x4 Infantry Light Weapons Carrier M274.

This is a comprehensive illustrated parts manual for the M274 Mule with 4 cylinder Willy's Motor. Does not cover the motor.

September 1958.
Softcover, 43 pages

Basic Illustrated Parts for M274A2-A5 (2-cylinder engine)

Rebuild & Overhaul for Truck, Platform Utility, 1/2 Ton, 4x4 (Mule M274A2-A5), dated April, 1967.

Illustrated Rebuild Parts Manual for M274A2-A5 (2-cylinder engine)

Ordnance Field and Depot Maintenance Transmission-Axle Assembly, 2520-561-9125, Front Axle Assembly 2520-697-4327 for 1/4 Ton Infantry Light Weapons Carrier M274.

This is a rarely seen, comprehensive rebuild manual for the transmission and axles on the M274 Mule. Applicable to all variants, except the rear axle on the M274A5.

There are plenty of forum "experts" who will tell you how to rebuild your Mule transmission and axles. This is the proper way to do it.

July 1958.
Softcover, 58 pages

Field and Depot Maintenance Repair Parts Allowances for Transmission-Axle Assembly, 2520-561-9125, Front Axle Assembly 2520-697-4327 for 1/4 Ton Infantry Light Weapons Carrier M274.

Detailed, illustrated parts manual for the transmission and axles on the M274 Mule. Applicable to all variants, except the rear axle on the M274A5.

August 1958.
Softcover, 36 pages