Skip to content
WorksiteMachines

Comparison · Mini excavator

Komatsu PC55MR-5 vs Kubota KX040-4

The Komatsu PC55MR-5 is about 23% heavier than the Kubota KX040-4 (5,300 vs 4,300 kg), which usually means more stability and lifting capacity but higher transport weight.

The Kubota KX040-4 has about 3% more engine power (30 kW (40 hp) vs 29 kW (39 hp)).

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

Komatsu PC55MR-5
Komatsu Komatsu PC55MR-5
Orange Kubota compact excavator working in a city park
Kubota Kubota KX040-4
Operating weight 5,300 kg (11,700 lb)4,300 kg (9,500 lb)
Engine power 29 kW (39 hp)30 kW (40 hp)
Engine power ≈29 kW (39 hp)≈30 kW (40 hp)
Max. digging depth —≈3.5 m (11 ft 5 in)
Engine —Kubota V2607 diesel
Tail swing —Minimal tail swing
Width —≈1.95 m (6 ft 5 in)
Travel speed —≈2.9 / 4.8 km/h (1.8 / 3.0 mph)
Strengths
  • + Smooth controls
  • + Compact radius
  • + Legendary Kubota reliability and resale value
  • + Strong, smooth hydraulics for its class
  • + Comfortable, roomy cab
  • + Simple to maintain
Watch-outs
  • − Heavier transport
  • − Wider than 3-tonne class machines for tight access
  • − Needs a heavier trailer and tow vehicle than smaller minis
Full PC55MR-5 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.