Caterpillar D3 vs Caterpillar D3B
Verdict: Caterpillar D3 vs Caterpillar D3B
The Caterpillar D3 and the Caterpillar D3B are both industrial tractors — here is how they stack up on the figures that matter. Caterpillar D3B leads on rated power with 65 hp against 62 hp. Caterpillar D3 is the lighter machine (10,300 kg vs 11,300 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Caterpillar D3B is the newer design (1979 vs 1972). In short: choose the Caterpillar D3B for outright pulling power, or the Caterpillar D3 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.