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Comparison · Mining truck

Caterpillar 797F vs Komatsu HD785-7

The Caterpillar 797F has about 233% more engine power (2983 kW (4000 hp) vs 895 kW (1200 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 797 ultra-class mining haul truck
Caterpillar Caterpillar 797F
Komatsu HD785-7
Komatsu Komatsu HD785-7
Operating weight ——
Engine power 2983 kW (4000 hp)895 kW (1200 hp)
Rated payload ≈363 t (400 US tons)≈91 t (100 US tons)
Gross power ≈2,983 kW (4,000 hp)—
Engine Cat C175-20, 20 cylinders—
Gross machine weight ≈624 t (1,375,000 lb)—
Drive Mechanical, 7-speed powershift—
Tyres 59/80R63—
Net power —≈895 kW (1,200 hp)
Strengths
  • + Huge payload with mechanical-drive efficiency on grades
  • + Compatible with Cat Command autonomy
  • + Global mining support network
  • + Reliable
  • + Widely used
Watch-outs
  • − Only economical in very large mines
  • − Tyre supply and cost are significant
  • − Needs good haul roads
Full 797F reviewFull HD785-7 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.