International Harvester 500C vs International Harvester I-6
Verdict: International Harvester 500C vs International Harvester I-6
The International Harvester 500C and the International Harvester I-6 are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 44 hp. International Harvester I-6 is the lighter machine (2,501 kg vs 9,250 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 500C holds more fuel (102.2 L vs 79.5 L) for longer stints between fills. International Harvester 500C is the newer design (1969 vs 1940). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.


