The M113A3 combat engineer squad vehicle (CESV) was developed to transport an eight man engineer squad with all of their equipment. It also could be adapted to carry the Volcano mine dispensing system, the pathfinder marking system, or for towing the mine clearing line charge (MICLC) trailer. The CESV was a stretched M113A3 with six road wheels per side. It was powered by a 6V53TA diesel engine developing 350 gross horsepower at 2,800 rpm through the Allison X200-4A transmission.
The basic 5083 aluminum alloy armor was reinforced by titanium applique armor on the sides and upper front. Spaced expanded steel armor was added to the rear and the bottom was reinforced with steel laminate armor. The CESV had a gross weight of about 18 tons and a maximum road speed of 41 miles per hour. A fuel capacity of 120 gallons provided a cruising range of about 300 miles (U.S. Army).
RECOVERY AND MAINTENANCE VEHICLES
The gasoline powered XM548 prototype was rebuilt at FMC as a wrecker or recovery vehicle. Designated as the XM696 full tracked light recovery vehicle, it was intended to serve as a prototype for a recovery vehicle based upon the diesel powered M548. It was fitted with the crane from the 5 ton M543 wrecker truck and the hoist from the M578 armored recovery vehicle was used as a tow winch. It retained the XM548 winch in the front of the vehicle. The prototype weighed 24,900 pounds.
The XM806E1 recovery vehicle was a modification of the M113A1 armored personnel carrier. A 20,000 pound capacity, hydraulically driven, winch was located inside the personnel compartment for use in retrieving disabled vehicles. The vehicle was anchored during recovery operations by two spades mounted on the rear. A third spade could be installed if required in soft soil.
A 3,000 pound capacity crane was installed on top of the vehicle to handle and place heavy components. Manned by a crew of three, the combat weight of the XM806E1 was 25,200 pounds. It was armed with a .50 caliber machine gun on the commander's cupola.
A combination maintenance and recovery vehicle was assembled by FMC based upon the M113A2 armored personnel carrier. Like the XM806E1, it utilized the 20,000 pound capacity winch located inside the vehicle with the rear mounted spades to anchor it in place. A larger crane was installed with a capacity of 6,800 pounds. With a three man crew, the vehicle had a combat weight of 26,950 pounds and was armed with a .50 caliber machine gun at the commander's hatch.
The fitter's vehicle was a modified M113A1 armored personnel carrier equipped with a large roof hatch and a 6,800 pound capacity crane. The large roof hatch and crane allowed the vehicle to transport and handle large components such as a complete power package. Depending upon the user requirements, radios, spare parts, or special maintenance tools could be accommodated. A two man crew could operate the fitter's vehicle and its equipment. However, space was provided for nine men including the driver. The fitter's vehicle was in production at FMC from 1964 through 1978.
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