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M116 Husky
File:Company B, 11th Motor Transport Battalion Marines test an M116 Husky amphibious vehicle.jpg
Company B, 11th Motor Transport Battalion M116
Place of origin United States
Service history
In service 1960-70s
Used by United States
Wars Vietnam War
Production history
Designer Pacific Car and Foundry
Manufacturer Blaw-Knox
Pacific Car and Foundry (M733)
Number built 197
93 (M733)
Variants M733
Weight 1.5 short tons (1.4 t)
Length 15.5 feet (4.7 m)
Width 6.8 feet (2.1 m)
Height 6.75 feet (2.06 m)
Crew 1
Passengers 13

Armor none
Engine Chevrolet V8
Payload capacity 3,000 pounds (1,400 kg)
Transmission Hydra-Matic
Ground clearance 15.5 inches (39 cm)
300 miles (480 km)
Speed 37 miles per hour (60 km/h) land
3.7 miles per hour (6.0 km/h) water

The M116 Husky was a tracked amphibious cargo carrier/marginal terrain vehicle that served with the United States Marine Corps.


The M116 was a lightweight low-silhouette vehicle designed to transport cargo or personnel over unimproved roads, loose sand, soft marshy terrain and inland waterways. Its low ground pressure of 1.67 to 2.74 pounds per square inch when fully loaded gave good mobility on marginal terrain. [1]:E-1–2

The M116 was designed by Pacific Car and Foundry as a replacement for the M76 Otter. Pacific Car and Foundry built four prototypes and then three pre-production models, however the production contract was awarded to Blaw-Knox which produced 197.[2]:


2nd Battalion 1st Marines fire an 81mm mortar from an M733 near Marble Mountains, 1970

The M733 was an armored variant of the M116 with steel armour plates added to provide ballistic protection capable of stopping .30-caliber ball ammunition. The purpose of the vehicle was to provide small arms protection for infantry security elements accompanying marginal terrain vehicles. The primary armament was one M60 machine gun, but two other pintle mounts were provided for additional M60s. The M733 could also mount the M2 Browning .50 caliber machine gun or an 81mm mortar.[1]:F-1–2 The M733 was produced by Pacific Car and Foundry which built 93 with the first deliveries occurring in 1966.[2]:


Both the M116 and M733 served with the Marines in the Vietnam War.[3] The M116E1 was placed into service in April 1969 by the 11th Motor Transport Battalion to support the 1st Marine Division in the low and often inundated areas south of Danang. Virtually unaffected by weather, the M116 had the effect of reducing reliance on helicopter support. The M733 was placed into service in August as a convoy escort.[4]


  1. 1.0 1.1 Carrey, Richard (1981). Amphibious Vehicles. United States Marine Corps Development and Education Command.  This article incorporates text from this source, which is in the public domain.
  2. 2.0 2.1 Doyle, David (2003). Standard Catalog of U.S. Military Vehicles - 2nd Edition. Penhuin. ISBN 978-0873495080. 
  3. Gilbert, Ed (2006). The US Marine Corps in the Vietnam War: III Marine Amphibious Force 1965–75. Osprey Publishing. p. 38. ISBN 978-1841769875. 
  4. Smith, Charles (1988). U.S. Marines in Vietnam: High Mobility and Standdown 1969. History and Museums Division, Headquarters, U.S. Marine Corps. p. 272. ISBN 978-1494287627.  This article incorporates text from this source, which is in the public domain.

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