Caterpillar D4 vs Caterpillar D6D
Verdict: Caterpillar D4 vs Caterpillar D6D
The Caterpillar D4 and the Caterpillar D6D are both industrial tractors — here is how they stack up on the figures that matter. Caterpillar D6D leads on rated power with 140 hp against 130 hp. Caterpillar D6D is the lighter machine (26,060 kg vs 28,673 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Caterpillar D4 is the newer design (2020 vs 1977). In short: choose the Caterpillar D6D for outright pulling power, or the Caterpillar D4 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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.