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United States' 2 1/2 Ton, 6x6, Amphibian Truck, DUKW, "Duck"1
2 1/2 Ton, 6x6, Amphibian Truck, DUKW: |
2 1/2 Ton, 6x6, Amphibian Truck, DUKW: |
2 1/2 Ton, 6x6, Amphibian Truck, DUKW, Normandy, 1944: |
2 1/2 Ton, 6x6, Amphibian Truck, DUKW, Normandy, 1944: |
Design
The DUKW was designed from a directive issued by the Commanding General, Services of Supply.1
The DUKW was based on the 2 1/2 Ton, 6x6, Deuce and a Half truck.1
For water operations there is a propeller and it is steered by the front wheels and a rudder.1 There is an anchor with shackles.1 There is a ring life preserver and three life preserver jackets.1 There are two pumps for removing water out of the hull, one a 60 gallon/minute rotary pump and a 260 gallon/minute centrifugal pump.1 In emergencies a 50 gallon/minute hand pump is provided.1
The driver's compartment is open.1 It has a canvas that goes over the top and rear.1 There are side curtains that can be removed.1 The windshield can be folded forward or tilted up and out.1
One out of four DUKW's have a M36 truck mount for an antiaircraft machine gun.1
The DUKW's cargo area can carry 25 men or 5,350 lbs of payload.1 The cargo area also had storage areas accessible through hatches in the floor.1 There are also hatches that allow access to the engine.1
The engine can power all the axles or just the rear two.1
The winch for the DUKW is mounted in the rear.1
Prototype
Production
- 2 1/2 Ton, 6x6, Amphibian Truck, DUKW1:
- Manufacturer: Yellow Truck and Coach Manufacturing Co.1
Variants
- 2 1/2 Ton, 6x6, Amphibian Truck, DUKW1:
Usage
| 2 1/2 Ton, 6x6, Amphibian Truck, DUKW1 | |
|---|---|
| Crew | 11 |
| Radio | |
| Physical Characteristics | |
| Weight | 19,570 lb1 |
| Payload | 5,350 lb1 |
| Winch capacity | 10,0001 |
| Length | 31'1 |
| Height - top up | 8' 9.5"1 |
| Height - top down | 7' 1 3/8"1 |
| Width | 8' 2 7/8"1 |
| Ground clearance | 10.5"1 |
| Ground pressure | |
| Wheelbase | |
| Armament | |
| Main | 1: .50 cal MG1 |
| Quantity | |
| Main | |
| Armor Thickness (mm) | |
| Engine (Make / Model) | |
| Bore / stroke | |
| Cooling | |
| Cylinders | |
| Capacity | |
| Net HP | |
| Power to weight ratio | |
| Compression ratio | |
| Radiator (Type) | |
| Capacity | |
| Transmission (Type) | |
| Steering | |
| Steering ratio | |
| Starter | |
| Electrical system | 6 volt1 |
| Ignition | |
| Gear ratios - 1st speed | |
| - 2nd speed | |
| - 3rd speed | |
| - 4th speed | |
| - 5th speed | |
| - Reverse | |
| Fuel (Type) | |
| Octane | |
| Quantity | 40 gallons1 |
| Road consumption | |
| Cross country consumption | |
| Performance | |
| Max speed | 45 mph1 |
| Max speed - water | 6.3 mph1 |
| Cross country speed | |
| Road radius | 220 miles1 |
| Road radius - water | 50 miles1 |
| Cross country radius | |
| Turning radius - land | 36'1 |
| Turning radius - water | 20'1 |
| Elevation limits | |
| Fording depth | |
| Trench crossing | |
| Vertical obstacle | 18"1 |
| Climbing ability | 60%1 |
| Suspension (Type) | |
| Wheels each side | |
| Wheels (Type) | 11.00 x 18, 10 ply desert1 |
| Wheels - desert | |
| Width | |
| Diameter | |
| Tire tread | |
| Tread center to center | 63 5/8"1 |
Sources:
- The American Arsenal, 1996
