Head to head
JCB 3CX vs Kubota U17-3a
The JCB 3CX is the bigger machine by 6,435kg and digs 1.78m (6ft) deeper.
Last reviewed 13 September 2026


Key differences
- Operating weight: the JCB 3CX is the bigger machine by 6,435kg.
- Dig depth: the JCB 3CX digs 1.78m (6ft) deeper.
Specifications side by side
| JCB 3CX | Kubota U17-3a | |
|---|---|---|
| Operating weight | 8,135kg standard and Contractor, 8,435kg on 3CX Super | 1,700kg |
| Dig depth | 4.24m with standard dipper, up to 5.46m with Extradig | 2,460mm |
| Engine power | - | 11.3kW |
Sources: JCB 3CX, Kubota U17-3a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 3CX if...
- you want one that is the bigger machine by 6,435kg
- you want one that digs 1.78m (6ft) deeper
The machine most people picture when they think of a building site, and still the default where one machine has to both dig and load. Groundworkers and utilities contractors buy it precisely to avoid putting two machines on a small site.
Full 3CX specifications →Buy or hire the U17-3a if...
A step up from a micro excavator for landscaping and groundworks contractors who need more dig depth and breakout force while still fitting through a standard gate or gap. Common on garden and small drainage jobs.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Common questions
What is the difference between the JCB 3CX and the Kubota U17-3a?
The JCB 3CX is the bigger machine by 6,435kg and digs 1.78m (6ft) deeper. The JCB 3CX is a wheeled backhoe loader; the Kubota U17-3a is a 1.7 tonne mini excavator.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
