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A ballast tractor is a specially weighted tractor unit of a heavy hauler combination. It is designed to utilize a drawbar to pull or push heavy or exceptionally large trailer loads which are loaded in a hydraulic modular trailer .
It was manufactured by the Minsk Automobile Plant (from 1959 to 1965) and the Kurgan Wheel Tractor Plant from 1963 until halt of production in 1990. The metal cab of the MAZ-537 provides space for the driver and three passengers for a total of four occupants, has two access doors on the side and a roof hatch, and is equipped with additional ...
CMVs are restricted by gross weight (total weight of vehicle and cargo), and by axle weight (i.e., the weight carried by each tire). The federal weight limits for CMVs are 80,000 pounds (36,000 kg) for gross weight (unless the bridge formula dictates a lower limit), 34,000 pounds (15,000 kg) for a tandem axle, and 20,000 pounds (9,100 kg) for a ...
The KZKT-7428 Rusich tank transporter artillery tractor was developed as a successor to the MAZ-537 by KZKT. It can haul semi-trailers loads up to 70 t, both on and off-road. It entered service with the Soviet Army in 1990. [2] [1] It is powered by the YaMZ-8401.10-14 V12 diesel engine, developing 650 hp, located behind the cab.
The ballast tractor for a drawbar trailer must be comparable in weight to its load if it is to have traction, which means that the total weight of the tractor-trailer combination might be as much as twice the useful load. By using a semi-trailer instead, some of the load's weight is instead carried by the tractor.
Jackson 6700 switch tamping machine A Plasser & Theurer 09-16 CSM Tamper / Liner A MATISA tamper at Keighley in February 2017 Customer VolkerRail. A tamping machine or ballast tamper, informally simply a tamper, is a self-propelled, rail-mounted machine used to pack (or tamp) the track ballast under railway tracks to make the tracks and roadbed more durable and level.
A later unarmored version of the M26 tractor was designated the M26A1. An experimental ballast tractor conversion was evaluated by the British Fighting Vehicle Proving Establishment [ 4 ] After the war, some of them (both armored and unarmored) were bought as surplus and used to carry oversize loads such as transformers , locomotives and heavy ...
Tire forces are divided into three axes: radial, lateral, and tangential (or fore-aft). The radial axis runs from the tire center toward the tread, and is the vertical axis running from the roadway through the tire center toward the vehicle. This axis supports the vehicle's weight. The lateral axis runs sideways across the tread.