Head to head
Caterpillar D4K2 vs Caterpillar D6K2
The Caterpillar D6K2 is the bigger machine by 21,090kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D6K2 is the bigger machine by 21,090kg.
Specifications side by side
| Caterpillar D4K2 | Caterpillar D6K2 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 29,258lb (XL) / 30,664lb (LGP) |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | 4.26yd3 (XL) / 4.98yd3 (LGP) |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Net power | - | Cat C4.4, 130hp |
Sources: Caterpillar D4K2, Caterpillar D6K2. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the D6K2 if...
- you want one that is the bigger machine by 21,090kg
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
Common questions
What is the difference between the Caterpillar D4K2 and the Caterpillar D6K2?
The Caterpillar D6K2 is the bigger machine by 21,090kg. The Caterpillar D4K2 is a small crawler dozer; the Caterpillar D6K2 is a medium crawler dozer.
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