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Comparison · Bulldozer

Caterpillar D1 vs Caterpillar D3

The Caterpillar D3 is about 16% heavier than the Caterpillar D1 (9,362 vs 8,099 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar D3 has about 30% more engine power (78 kW (105 hp) vs 60 kW (80 hp)).

Caterpillar machine similar to the Caterpillar D1 (related model may be pictured)
Caterpillar Caterpillar D1
Caterpillar D3 bulldozer
Caterpillar Caterpillar D3
Operating weight 8,099 kg (17,900 lb)9,362 kg (20,600 lb)
Engine power 60 kW (80 hp)78 kW (105 hp)
Net power (SAE J1349 / ISO 9249) 59.7 kW (80 hp) at 2,200 rpm—
Engine Cat C3.6, 3.6 L (220 in³)Cat C3.6, 3.6 L
Drive Hydrostatic, 1 drive pump, 2 track motorsHydrostatic with load sensing (auto speed vs. load)
Max. travel speed 9 km/h (5.6 mph) forward; 10 km/h (6.2 mph) reverse9 km/h (5.6 mph) forward
Track shoes 355 mm (14 in) standard; 635 mm (25 in) or 762 mm (30 in) LGP—
Blade widths 2.64 m (104 in) standard; 3.15 m (124 in) LGP with grade-control prep—
Net power (ISO 9249 / SAE J1349) —77.6 kW (104 hp) at 2,200 rpm
Ripper —+554 kg (1,222 lb)
Strengths
  • + Small, easy to transport and operate
  • + Hydrostatic drive for precise grading
  • + Cat GRADE and assist options available
  • + Cat support and resale
  • + Load-sensing hydrostatic drive optimises speed automatically
  • + Strong for its size with optional ripper
  • + Cat GRADE options and assist features
  • + Easy to transport
Watch-outs
  • − Limited pushing power for bulk earthworks
  • − Premium price for the class
  • − Premium price
  • − Emissions spec varies by region — check engine certification
Full D1 reviewFull D3 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.