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WorksiteMachines

Comparison · Bulldozer

Caterpillar D6 vs Komatsu D375A-8

The Komatsu D375A-8 is about 219% heavier than the Caterpillar D6 (71,000 vs 22,250 kg), which usually means more stability and lifting capacity but higher transport weight.

The Komatsu D375A-8 has about 184% more engine power (455 kW (610 hp) vs 160 kW (215 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 D375A-8 bulldozer
Komatsu Komatsu D375A-8
Operating weight 22,250 kg (49,100 lb)71,000 kg (156,500 lb)
Engine power 160 kW (215 hp)455 kW (610 hp)
Net power ≈160 kW (215 hp)≈455 kW (610 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
  • + Powerful ripping
  • + Durable undercarriage
Watch-outs
  • − Expensive, especially in XE form with technology
  • − Electric-drive complexity requires dealer expertise
  • − Mining scale only
Full D6 reviewFull D375A-8 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.