Head to head
Komatsu D65PX vs Kubota KX037-4
The Komatsu D65PX has 137kW more power and is the bigger machine by 17,482kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Komatsu D65PX has 137kW more power.
- Operating weight: the Komatsu D65PX is the bigger machine by 17,482kg.
Specifications side by side
| Komatsu D65PX | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 21,000kg | 3518 kg |
| Engine power | 155kW (208hp) at 1950rpm | 17.8 kw |
| Blade capacity | 3.69m3 (straight tilt dozer) | - |
| Dig depth | - | 3410 mm |
| Width | - | 1550 mm |
Sources: Komatsu D65PX, Kubota KX037-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D65PX if...
- you want one that has 137kW more power
- you want one that is the bigger machine by 17,482kg
The wide-track, low ground pressure version of Komatsu's D65 dozer, used on soft or sensitive ground where a standard-track machine would sink or damage the surface, such as landfill and reclamation work.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the KX037-4 if...
A 3.5 tonne class digger used by groundworkers, utility contractors and hire fleets for trenching, foundations and landscaping. Suits sites that need more reach and lift than a 3 tonne machine.
Full KX037-4 specifications →Common questions
What is the difference between the Komatsu D65PX and the Kubota KX037-4?
The Komatsu D65PX has 137kW more power and is the bigger machine by 17,482kg. The Komatsu D65PX is a mid-size low ground pressure crawler dozer; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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