Caterpillar D3B vs Caterpillar D3K
Verdict: Caterpillar D3B vs Caterpillar D3K
The Caterpillar D3B and the Caterpillar D3K are both industrial tractors — here is how they stack up on the figures that matter. Caterpillar D3K leads on rated power with 74 hp against 65 hp. Caterpillar D3B is the lighter machine (11,300 kg vs 17,185 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Caterpillar D3K is the newer design (2007 vs 1979). In short: choose the Caterpillar D3K for outright pulling power, or the Caterpillar D3B 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.