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Comparison · Wheel tractor scraper

Caterpillar 627K vs Caterpillar 631K

Caterpillar 627 twin-engine wheel tractor-scraper
Caterpillar Caterpillar 627K
Caterpillar 631K wheel tractor scraper
Caterpillar Caterpillar 631K
Operating weight ——
Engine power ——
Heaped capacity ≈18 m³ (24 yd³)≈26 m³ (34 yd³)
Configuration Twin engine, push-pull capableSingle engine, open bowl
Engines Cat C13 (tractor) and C9.3 (scraper)—
Strengths
  • + Excellent traction on grades
  • + Push-pull loading without a dozer
  • + Higher productivity in tough conditions
  • + High capacity
  • + Fast haul speeds
Watch-outs
  • − Higher purchase and running cost than single-engine models
  • − Needs push loading
Full 627K reviewFull 631K 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.