The International PayStar is a severe service truck manufactured by Navistar International. The PayStar is marketed to heavy duty truck operators in the construction, oil exploration, and refuse collection industries.
The PayStar was introduced by International Harvester in January 1972, as a construction-specific versions of the conventional Transtar.
From 1972 through 1980 the Paystar was offered in two ranges, the 5050 with mid-range engines, and the 5070 with heavy duty engines. Available as 4×4, 6×4, and 6×6 [a], they were usually straight trucks, most offered trailer brake options. Semi-tractors were also available, the F5070 had a Gross Combination Weight Rating[b] of up to 120,000 lb (54,000 kg).
The second generation trucks were an evolution of the first, with increased weights and engine power. The plate fenders and butterfly hood were replaced with a one piece forward tilting hood. The 5500 had a forward front axle, the 5600 had a setback one, and the 5900 was a semi-tractor.
By 2013 the PayStar was normally a semi-tractor, although straight truck applications were still offered. Severe service straight truck applications were handled by the Workstar series, which offered no semi-tractors. In 2013 the PayStar is only offered as a 6×4 or 8×6 with high horsepower engines.
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