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Comparison · Bulldozer

Caterpillar D6 vs Komatsu D39EX-24

The Caterpillar D6 is about 134% heavier than the Komatsu D39EX-24 (22,250 vs 9,500 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar D6 has about 105% more engine power (160 kW (215 hp) vs 78 kW (105 hp)).

Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and Komatsu in your region: over the life of a machine they often matter more than small specification differences.

Caterpillar D6T crawler dozer on a river project
Caterpillar Caterpillar D6
Komatsu D39EX-24 bulldozer
Komatsu Komatsu D39EX-24
Operating weight 22,250 kg (49,100 lb)9,500 kg (20,900 lb)
Engine power 160 kW (215 hp)78 kW (105 hp)
Net power ≈160 kW (215 hp)≈78 kW (105 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
  • + Excellent visibility
  • + iMC version
Watch-outs
  • − Expensive, especially in XE form with technology
  • − Electric-drive complexity requires dealer expertise
  • − Small blade
Full D6 reviewFull D39EX-24 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.