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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 .
The Rotinoff company specialized in the production of ballast tractors and heavy transport vehicles. The vehicles of Rotinoff were widely used in Europe as tractors for tank transporters . In the Swiss army , the Rotinoff Atlantic GR 7 was used from 1958 - 1991 by the tank troops to haul Centurion tanks .
Nicolas Tractomas is a heavy-duty built-to-order ballast tractor specifically to tow hydraulic modular trailers and road trains used for movement of oversize loads manufactured by French manufacturer Nicolas Industrie based in Auxerre. The tractor was bespoke build with preferred engine, gearbox, drivetrain and ballast with a Renault Kerax cabin.
The Rotinoff Super Atlantic is a 6×4 ballast tractor made by the British company Rotinoff Motors Ltd. The tractor was designed for GCW of 200 tons with the help of a Rolls-Royce six cylinder supercharged engine producing almost 335 bhp with support of six speed main gearbox and a three speed auxiliary box for critical conditions.
The Showtrac was a short-wheelbase 4x2 ballast tractor, one of the few vehicles ever designed specifically for fairground use. It could be supplied with a rear body (with half-height roller shutter access doors), winch, and dynamo with the ballast block underneath. [8]
In some cases, a heavy hauler is designed and constructed to move a particular load on a one-off or short-term basis. An example is the self-propelled antenna transporter for the ALMA radio telescope project, a 130-tonne (130-long-ton; 140-short-ton) 28-wheeled rigid vehicle designed to carry and place 115-tonne (113-long-ton; 127-short-ton) radio telescope antennas up a mountain to an ...
Sisu K-50SS is a six-wheel-driven ballast tractor made by the Finnish heavy vehicle producer Suomen Autoteollisuus (SAT). The vehicle can generate a 388 kN drawing force and it was used for pulling flatbed trailers. [2] Only one unit was produced in 1961 and it is the largest roadworthy motor vehicle ever built in the Nordic countries. [2]
The MAZ-537 has been widely used in both military roles (as, for example, artillery tractor trailer (pulling rocket or (ballistic) missile launchers), tank transporter, and airfield tractor) and in the civilian sphere as heavy tractor trailers, tractor ballast (or secondary unit) for carrying extra heavy loads, and in oil and gas fields.