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United States' 1/4 Ton Amphibian Truck

Photos

1/4 Ton Amphibian Truck, Jeep during training at Ford Carson:
United States' 1/4 Ton Amphibian Truck, Jeep during training at Ford Carson
U.S. Army Signal Corps

Design

The design of the 1/4 Ton Amphibian Truck was standardized in February 1943.

The hull was waterproof. The windshield could be folded forwards. The 1/4 Ton Amphibian had a marine rudder and a propeller. There were also four lifting eyes and five life preservers.

Production

  • Manufacturer: Ford Motor Car Co.

Specifications

  1/4 Ton Amphibian Truck
Crew 4
Radio  
Physical Characteristics  
Weight 4,300 lb
Payload 800 lb
Towing load 1,000 lb
Length 15' 1.75"
Height 5' 7.75"
Width 5' 4"
Ground clearance 8"
Ground pressure  
Wheelbase 7'
Armament  
Main  
OR  
Quantity  
Main  
Armor Thickness (mm)  
Engine (Make / Model)  
Bore / stroke 3 1/8" x 4 3/8"
Cooling  
Cylinders 4
Capacity  
Net HP 54@4,000 rpm
Power to weight ratio  
Compression ratio  
Radiator (Type)  
Capacity  
Transmission (Type)  
Steering  
Steering ratio  
Starter  
Electrical system 12 volt
Ignition  
Gear ratios - 1st speed 2.675:1
- 2nd speed 1.564:1
- 3rd speed 1.00:1
- Reverse 3.55:1
Fuel (Type)  
Octane 68
Quantity 15 gallons
Road consumption  
Cross country consumption  
Performance  
Speed - Road 55 mph
Max speed towing 35 mph
Max speed in water 5.5 mph
Speed - Cross Country  
Range - Road 250 miles
Road radius towing 200 miles
Range - Cross Country  
Water radius 35 miles
Turning radius 18'
Elevation limits  
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability 45%
Climbing ability towing  
Suspension (Type)  
Wheels each side 2
Wheels (Type) 6.00 x 16, 6 ply, mud and snow
Width  
Diameter  
Tire tread  
Track centers/tread  

Sources:

  1. The American Arsenal, 1996
20th Century American Military History Crucial Site