Head to head
Caterpillar D4K2 vs Kubota U36-4
The Caterpillar D4K2 has 51kW more power and is the bigger machine by 4,413kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 51kW more power.
- Operating weight: the Caterpillar D4K2 is the bigger machine by 4,413kg.
Specifications side by side
| Caterpillar D4K2 | Kubota U36-4 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 3755 kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 17.8 kw |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Dig depth | - | 3410 mm |
| Width | - | 1700 mm |
Sources: Caterpillar D4K2, Kubota U36-4. 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 has 51kW more power
- you want one that is the bigger machine by 4,413kg
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 U36-4 if...
A zero-tail swing digger for builders, utility firms and hire fleets working beside walls, fences and live traffic. Common for trenching, foundations and drainage on urban sites.
Full U36-4 specifications →Common questions
What is the difference between the Caterpillar D4K2 and the Kubota U36-4?
The Caterpillar D4K2 has 51kW more power and is the bigger machine by 4,413kg. The Caterpillar D4K2 is a small crawler dozer; the Kubota U36-4 is a 3.5 tonne zero-tail swing compact excavator.
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