Head to head
Caterpillar D4K2 vs JCB 3CX
The Caterpillar D4K2 is the bigger machine by 33kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D4K2 is the bigger machine by 33kg.
Specifications side by side
| Caterpillar D4K2 | JCB 3CX | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 8,135kg standard and Contractor, 8,435kg on 3CX Super |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | - |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Dig depth | - | 4.24m with standard dipper, up to 5.46m with Extradig |
Sources: Caterpillar D4K2, JCB 3CX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
- you want one that is the bigger machine by 33kg
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the 3CX if...
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.
Listed by
- TPH Plant Hire - Gravesend, Northfleet
- Red Plant Sales Ltd - Colchester, Frating
Common questions
What is the difference between the Caterpillar D4K2 and the JCB 3CX?
The Caterpillar D4K2 is the bigger machine by 33kg. The Caterpillar D4K2 is a small crawler dozer; the JCB 3CX is a wheeled backhoe loader.
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