International Harvester D-436 vs International Harvester D-439

Verdict: International Harvester D-436 vs International Harvester D-439

The International Harvester D-436 and the International Harvester D-439 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 39 hp. International Harvester D-436 is the lighter machine (1,425 kg vs 1,584 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester D-439 holds more fuel (54.9 L vs 29.9 L) for longer stints between fills. International Harvester D-439 is the newer design (1962 vs 1959). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.