Head to head
Caterpillar D6K2 vs Kubota KX037-4
The Caterpillar D6K2 is the bigger machine by 25,740kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6K2 is the bigger machine by 25,740kg.
Specifications side by side
| Caterpillar D6K2 | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 29,258lb (XL) / 30,664lb (LGP) | 3518 kg |
| Net power | Cat C4.4, 130hp | - |
| Blade capacity | 4.26yd3 (XL) / 4.98yd3 (LGP) | - |
| Dig depth | - | 3410 mm |
| Width | - | 1550 mm |
| Engine power | - | 17.8 kw |
Sources: Caterpillar D6K2, Kubota KX037-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6K2 if...
- you want one that is the bigger machine by 25,740kg
A medium dozer for site grading, cut-and-fill and light earthmoving where a full-size dozer would be overkill. It is hired by groundworks and landscaping contractors needing precise grading as much as raw pushing power.
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 Caterpillar D6K2 and the Kubota KX037-4?
The Caterpillar D6K2 is the bigger machine by 25,740kg. The Caterpillar D6K2 is a medium crawler dozer; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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