Head to head
Avant 640 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 307kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 307kW more power.
Specifications side by side
| Avant 640 | Yanmar ViO57-6B | |
|---|---|---|
| Engine power | 28 kW (37,5 hp) | 33,5 kW (at 2200 rpm) |
| Lifting capacity | 1100 kg | - |
| Lifting height | 2835 mm | - |
| Weight | 1590 kg | - |
| Operating weight | - | 5485 kg |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Avant 640, Yanmar ViO57-6B. 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 ViO57-6B if...
- you want one that has 307kW more power
A 5 to 6 tonne zero-tail swing digger for civils and groundworks contractors on deeper trenching, pipe laying and loading. Hire fleets use it where space is tight but a bigger machine is needed.
Full ViO57-6B specifications →Common questions
What is the difference between the Avant 640 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 307kW more power. The Avant 640 is a articulated multi-purpose loader, 600 series; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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