CLARK Other models
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CLARKTOR 6: heavy tow tractor from Clark Equipment with a six-cylinder engine, 3,769 cc of displacement, 47 kW and a three-speed gearbox
Clark Equipment was a US manufacturer of materials-handling and construction machinery based in Michigan, which alongside forklifts also built tractors for industrial and military use. The CLARKTOR 6 was a heavy tractor type built for towing and haulage duty outside classic farming.
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The CLARKTOR 6 carries a six-cylinder engine with 3,769 cc of displacement and a three-speed gearbox. At 2,550 mm long and 1,320 mm wide, the machine weighs 2,130 kg and produces 47 kW; for a six-cylinder engine this is a compact, short design built more for manoeuvrability than for long-range use.
The combination of a six-cylinder engine and a short overall length points to a design for towing and shunting work, such as pulling trailers, aircraft or heavy equipment on paved surfaces rather than field work. The three-speed gearbox is typical of pure tow tractors from this period, where a few sturdy gear ratios mattered more than fine speed steps.
When buying a used CLARKTOR 6, given the machine's age, the condition of the engine and clutch comes first, since parts for the six-cylinder engine are only available to a limited extent. Also worth checking are the condition of the three-speed gearbox, wear on the tow hitch and coupling, and corrosion on the frame and sheet-metal parts, which is often well advanced on machines of this build year.
Sources: SpecCodex-Register: Kennwerte des Modells CLARKTOR 6
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