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WorksiteMachines

Comparison · Articulated dump truck

Caterpillar 745 vs Komatsu HM400-5

The Caterpillar 745 has about 9% more engine power (380 kW (510 hp) vs 350 kW (469 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 articulated truck (730 model pictured)
Caterpillar Caterpillar 745
Komatsu HM400 articulated dump truck in a quarry
Komatsu Komatsu HM400-5
Operating weight ——
Engine power 380 kW (510 hp)350 kW (469 hp)
Rated payload ≈41,000 kg (45 US tons)≈40,000 kg (44 US tons)
Gross power ≈380 kW (510 hp)—
Body volume (heaped) ≈25 m³ (32.6 yd³)≈24 m³ (31.4 yd³)
Engine Cat C18Komatsu SAA6D140E
Drive 6×66×6 with KTCS
Net power —≈350 kW (469 hp)
Strengths
  • + High payload for the class
  • + Automatic traction control and advanced retarder
  • + Cat dealer support
  • + Komatsu Traction Control System for poor ground
  • + Automatic retarder speed control
  • + KOMTRAX telematics
Watch-outs
  • − Higher fuel consumption than some rivals in light conditions
  • − Smaller dealer presence in ADTs than Volvo and Cat in some regions
Full 745 reviewFull HM400-5 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.