Caterpillar D4 vs Caterpillar D6K
Verdict: Caterpillar D4 vs Caterpillar D6K
The Caterpillar D4 and the Caterpillar D6K are both industrial tractors — here is how they stack up on the figures that matter. Caterpillar D4 leads on rated power with 130 hp against 125 hp. Caterpillar D6K is the lighter machine (27,802 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 2005). In short: choose the Caterpillar D4 for outright pulling power, or the Caterpillar D6K 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.