The Soviet BTM-3 Trenching Machine

The Soviet BTM-3 Trenching Machine
The BTM-3, a Soviet trenching machine based on the AT-T Heavy Artillery tractor, began production in 1957, officially designated as a high-speed trenching machine. Despite its military design, civilians also utilized the BTM-3 for digging ditches, drains, and communication channels, highlighting its versatility.
Featuring a large rotor with eight buckets, each with a 160-liter capacity, the BTM-3 boasted an earthworking capacity ranging from 270 to 810 cubic meters per hour. The rotor efficiently unloaded soil beside the trench, creating front and rear parapets approximately 0.5 meters tall, offering additional protection.
Operated by a crew of two, the BTM-3's spacious cab could accommodate three extra passengers. Hermetically sealed with an NBC protection system, it could function in contaminated environments. Equipped with night vision goggles, the BTM-3 could operate during low-light conditions.
Based on the chassis and drive system of the Soviet T-54 medium tank, with modifications to create an engine compartment at the front, the BTM-3 essentially drove backward compared to the T-54 tank. Its AA-401 diesel engine, generating 350 horsepower, powered the machine, located beneath the cab.
With excellent cross-country mobility, the BTM-3 could traverse challenging terrain, reaching a maximum road speed of 36 kilometers per hour. It carried enough fuel for 450 to 500 kilometers on hard surface roads or continuous digging for 10 to 12 hours.

#truck #soviet #machine