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WorksiteMachines

Comparison · Bulldozer

Caterpillar D6 vs Caterpillar D9

The Caterpillar D9 is about 120% heavier than the Caterpillar D6 (49,000 vs 22,250 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar D9 has about 103% more engine power (325 kW (436 hp) vs 160 kW (215 hp)).

Caterpillar D6T crawler dozer on a river project
Caterpillar Caterpillar D6
Caterpillar machine similar to the Caterpillar D9 (related model may be pictured)
Caterpillar Caterpillar D9
Operating weight 22,250 kg (49,100 lb)49,000 kg (108,000 lb)
Engine power 160 kW (215 hp)325 kW (436 hp)
Net power ≈160 kW (215 hp)≈325 kW (436 hp)
Blade capacity up to ≈5.6 m³ (7.3 yd³), SU blade—
Engine Cat C9.3B—
Drive Powershift or electric drive (XE)—
Emissions EPA Tier 4 Final / EU Stage V—
Strengths
  • + Electric-drive D6 XE claims significantly lower fuel use
  • + Cat Grade and Assist features as factory options
  • + Huge dealer, parts and resale support
  • + Very strong ripping
  • + Durable
Watch-outs
  • − Expensive, especially in XE form with technology
  • − Electric-drive complexity requires dealer expertise
  • − High fuel use
Full D6 reviewFull D9 review

Specifications are typical figures for standard configurations and may be measured differently by each manufacturer (for example net vs gross power). Always confirm with the manufacturer or dealer. Build another comparison.