Head to head
Avant 640 vs Caterpillar D6N
The Caterpillar D6N has 96kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D6N has 96kW more power.
Specifications side by side
| Avant 640 | Caterpillar D6N | |
|---|---|---|
| Engine power | 28 kW (37,5 hp) | 124kW (166hp) at 1800rpm |
| Lifting capacity | 1100 kg | - |
| Lifting height | 2835 mm | - |
| Weight | 1590 kg | - |
| Operating weight | - | 16757kg (36,943lb) |
| Blade capacity | - | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) |
| Engine | - | Cat C7.1 ACERT |
Sources: Avant 640, Caterpillar D6N. 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 D6N if...
- you want one that has 96kW more power
A mid-size dozer used for earthmoving, site clearance and haul road maintenance. The VPAT blade option lets one machine angle, tilt and pitch for grading as well as straight pushing.
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 D6N?
The Caterpillar D6N has 96kW more power. The Avant 640 is a articulated multi-purpose loader, 600 series; the Caterpillar D6N is a medium crawler dozer.
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