Head to head
Develon DX17Z-7 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 323kW more power and is the bigger machine by 3,575kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 323kW more power.
- Operating weight: the Yanmar ViO57-6B is the bigger machine by 3,575kg.
Specifications side by side
| Develon DX17Z-7 | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 1,910 kg (4,211 lb) | 5485 kg |
| Engine power | 11.9 kW (16.0 hp) at 2,400 rpm | 33,5 kW (at 2200 rpm) |
| Dig depth | 2,200 mm (7 ft 3 in) | - |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Develon DX17Z-7, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the DX17Z-7 if...
The Develon DX17Z-7 is the smallest excavator in the Develon range, formerly sold as a Doosan model before the 2023 rebrand, and competes for the same confined-space and landscaping hire jobs as the JCB 8008 CTS and Kubota KX019-4. UK dealers that previously stocked it as a Doosan now sell and service it under the Develon name with the same parts and support lines. It gives hire companies a mini excavator option outside the usual Kubota, JCB and Takeuchi trio at a similar size point.
Full DX17Z-7 specifications →Buy or hire the ViO57-6B if...
- you want one that has 323kW more power
- you want one that is the bigger machine by 3,575kg
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 Develon DX17Z-7 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 323kW more power and is the bigger machine by 3,575kg. The Develon DX17Z-7 is a a 1.7 tonne mini excavator, Develon's smallest excavator model; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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