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Comparison · Mini excavator

Caterpillar 305 CR vs Kubota KX040-4

The Caterpillar 305 CR is about 21% heavier than the Kubota KX040-4 (5,200 vs 4,300 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar 305 CR has about 3% more engine power (31 kW (42 hp) vs 30 kW (40 hp)).

Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and Kubota in your region: over the life of a machine they often matter more than small specification differences.

Caterpillar mini excavator digging a driveway
Caterpillar Caterpillar 305 CR
Orange Kubota compact excavator working in a city park
Kubota Kubota KX040-4
Operating weight 5,200 kg (11,500 lb)4,300 kg (9,500 lb)
Engine power 31 kW (42 hp)30 kW (40 hp)
Net power ≈31 kW (42 hp)—
Max. digging depth ≈3.5 m (11 ft 6 in)≈3.5 m (11 ft 5 in)
Tail swing Compact radiusMinimal tail swing
Engine power —≈30 kW (40 hp)
Engine —Kubota V2607 diesel
Width —≈1.95 m (6 ft 5 in)
Travel speed —≈2.9 / 4.8 km/h (1.8 / 3.0 mph)
Strengths
  • + Stick steer travel control
  • + Comfortable pressurised cab
  • + Cat dealer support
  • + Legendary Kubota reliability and resale value
  • + Strong, smooth hydraulics for its class
  • + Comfortable, roomy cab
  • + Simple to maintain
Watch-outs
  • − Higher price than Asian competitors
  • − Wider than 3-tonne class machines for tight access
  • − Needs a heavier trailer and tow vehicle than smaller minis
Full 305 CR reviewFull KX040-4 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.