Caterpillar D4 vs Caterpillar Thirty-Five

Verdict: Caterpillar D4 vs Caterpillar Thirty-Five

The Caterpillar D4 and the Caterpillar Thirty-Five are both tractors — here is how they stack up on the figures that matter. Caterpillar Thirty-Five leads on rated power with 40 hp against 35 hp. Caterpillar Thirty-Five is the lighter machine (5,819 kg vs 9,970 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 (1938 vs 1932). In short: choose the Caterpillar Thirty-Five 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.