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United States' 1/4 Ton Amphibian Truck

Photos

Design

The design of the 1/4 Ton Amphibian Truck was standardized in February 1943.1

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

Prototype

Production

  • Manufacturer: Ford Motor Car Co.1

Variants

Usage

Specifications

  1/4 Ton Amphibian Truck1
Crew 41
Radio  
Physical Characteristics  
Weight 4,300 lb1
Payload 800 lb1
Towing load 1,000 lb 1
Length 15' 1.75"1
Height 5' 7.75"1
Width 5' 4"1
Ground clearance 8"1
Ground pressure  
Wheelbase 7'1
Armament  
Main  
OR  
Quantity  
Main  
Armor Thickness (mm)  
Engine (Make / Model)  
Bore / stroke 3 1/8" x 4 3/8"1
Cooling  
Cylinders 41
Capacity  
Net HP 54@4,000 rpm1
Power to weight ratio  
Compression ratio  
Radiator (Type)  
Capacity  
Transmission (Type)  
Steering  
Steering ratio  
Starter  
Electrical system 12 volt1
Ignition  
Gear ratios - 1st speed 2.675:11
- 2nd speed 1.564:11
- 3rd speed 1.00:11
- Reverse 3.55:11
Fuel (Type)  
Octane 681
Quantity 15 gallons1
Road consumption  
Cross country consumption  
Performance  
Speed - Road 55 mph1
Max speed towing 35 mph1
Max speed in water 5.5 mph1
Speed - Cross Country  
Range - Road 250 miles1
Road radius towing 200 miles1
Range - Cross Country  
Water radius 35 miles1
Turning radius 18'1
Elevation limits  
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability 45%1
Climbing ability towing  
Suspension (Type)  
Wheels each side 21
Wheels (Type) 6.00 x 16, 6 ply, mud and snow1
Width  
Diameter  
Tire tread  
Track centers/tread  

Sources:

  1. The American Arsenal, 1996