Head to head
Avant 640 vs Caterpillar D4K2
The Caterpillar D4K2 has 41kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 41kW more power.
Specifications side by side
| Avant 640 | Caterpillar D4K2 | |
|---|---|---|
| Engine power | 28 kW (37,5 hp) | 92hp (68.8kW), Cat C4.4 ACERT |
| Lifting capacity | 1100 kg | - |
| Lifting height | 2835 mm | - |
| Weight | 1590 kg | - |
| Operating weight | - | 8,168kg (XL) / 8,476kg (LGP) |
| Blade capacity | - | 1.98m3 (XL) / 1.85m3 (LGP) |
| Ground pressure | - | 38.6kPa (XL) / 29.2kPa (LGP) |
Sources: Avant 640, Caterpillar D4K2. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 640 if...
An all-round compact loader with stronger auxiliary hydraulics for running more attachments, used by landscapers, stables, estates and small contractors. Light enough to be moved on a trailer or larger van.
Full 640 specifications →Buy or hire the D4K2 if...
- you want one that has 41kW more power
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
Common questions
What is the difference between the Avant 640 and the Caterpillar D4K2?
The Caterpillar D4K2 has 41kW more power. The Avant 640 is a articulated multi-purpose loader, 600 series; the Caterpillar D4K2 is a small crawler dozer.
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