Head to head
Develon DX17Z-7 vs JCB 50Z-2
The JCB 50Z-2 has 24kW more power and is the bigger machine by 3,120kg.
Last reviewed 6 October 2026
Key differences
- Engine power: the JCB 50Z-2 has 24kW more power.
- Operating weight: the JCB 50Z-2 is the bigger machine by 3,120kg.
- Dig depth: the JCB 50Z-2 digs 1.45m (5ft) deeper.
Specifications side by side
| Develon DX17Z-7 | JCB 50Z-2 | |
|---|---|---|
| Operating weight | 1,910 kg (4,211 lb) | 5030 kg |
| Dig depth | 2,200 mm (7 ft 3 in) | 3.65 m |
| Engine power | 11.9 kW (16.0 hp) at 2,400 rpm | 36 kW |
| Dump height | - | 4.08 m |
Sources: Develon DX17Z-7, JCB 50Z-2. 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 50Z-2 if...
- you want one that has 24kW more power
- you want one that is the bigger machine by 3,120kg
- you want one that digs 1.45m (5ft) deeper
A zero tailswing digger for utility trenching, house foundations and road edge work where the rear of the machine has to stay inside the track width. It is used on civils sites and hire fleets that want a 5 tonne class machine.
Full 50Z-2 specifications →Common questions
What is the difference between the Develon DX17Z-7 and the JCB 50Z-2?
The JCB 50Z-2 has 24kW more power and is the bigger machine by 3,120kg. The Develon DX17Z-7 is a a 1.7 tonne mini excavator, Develon's smallest excavator model; the JCB 50Z-2 is a 5 tonne zero tailswing mini excavator.
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