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Comparison · Bulldozer

Caterpillar D6 vs Liebherr PR 736

The Liebherr PR 736 is about 3% heavier than the Caterpillar D6 (23,000 vs 22,250 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar D6 has about 7% more engine power (160 kW (215 hp) vs 150 kW (201 hp)).

Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and Liebherr 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
Liebherr crawler dozer (PR 722 pictured)
Liebherr Liebherr PR 736
Operating weight 22,250 kg (49,100 lb)23,000 kg (50,700 lb)
Engine power 160 kW (215 hp)150 kW (201 hp)
Net power ≈160 kW (215 hp)—
Blade capacity up to ≈5.6 m³ (7.3 yd³), SU blade—
Engine Cat C9.3B—
Drive Powershift or electric drive (XE)Hydrostatic
Emissions EPA Tier 4 Final / EU Stage V—
Engine power —≈150 kW (204 hp)
Strengths
  • + Electric-drive D6 XE claims significantly lower fuel use
  • + Cat Grade and Assist features as factory options
  • + Huge dealer, parts and resale support
  • + Rear-mounted engine for visibility and balance
  • + Fuel-efficient hydrostatic drive
Watch-outs
  • − Expensive, especially in XE form with technology
  • − Electric-drive complexity requires dealer expertise
  • − Dealer coverage weaker outside Europe
Full D6 reviewFull PR 736 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.