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United States' M4 Medium Tank BARV (Beach Armored Recovery Vehicle)

Design

With the upcoming invasion at Normandy, it was seen that a vehicle was needed to be able to go out into the water to recover vehicles that were disabled.1

A M4 Medium Tank was modified by removing its turret, extending the superstructure upwards, and waterproofing.1

Crew

There was typically a diver amongst the crew that would place cables on submerged vehicles.1

Prototype

Trials of a prototype were conducted in December 1943.1

Production

  • Conversions: 551

Usage

Normandy

The BARVs were used at Normandy.1

Post World War II

In their career after World War II the BARVs were given the name Sea Lion.1

Specifications

  BARV (Beach Armored Recovery Vehicle)
Crew 51
Physical Characteristics  
Weight  
Length 20' 4"1
6.2 m1
Height 9' 9"1
2.97 m1
Width 8' 9"1
2.68 m1
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure  
Armament  
Main  
Secondary  
MG  
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm) 12 - 621
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) 2: General Motors 6-711
Bore / stroke  
Cooling  
Cylinders  
Capacity  
Net HP  
Power to weight ratio  
Compression ratio  
Transmission (Type)  
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Gear ratio  
Fuel (Type)  
Cetane  
Quantity  
Road consumption  
Cross country consumption  
Performance  
Traverse  
Speed - Road 29 mph1
47 kph1
Speed - Cross Country  
Range - Road 85 - 100 miles1
136 - 160 km1
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth  
Trench crossing 7' 5"1
2.26 m1
Vertical obstacle 2'1
0.61 m1
Climbing ability  
Suspension (Type)  
Wheels each side  
Wheel size  
Wheel size - idler  
Return rollers each side  
Tracks (Type)  
Length  
Width  
Number of links  
Pitch  
Tire tread  
Track centers/tread  

Sources:

  1. Armored Fighting Vehicles, 300 of the World's Greatest Military Vehicles, Philip Trewhitt, 1999
20th Century American Military History Crucial Site