Head to head
Caterpillar D4K2 vs Hyundai Construction Equipment R35Z-9
The Caterpillar D4K2 has 51kW more power and is the bigger machine by 4,618kg.
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 4,618kg.
Specifications side by side
| Caterpillar D4K2 | Hyundai Construction Equipment R35Z-9 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 3550kg (7826lb) |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 17.7kW (23.7hp) |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Max digging depth | - | up to 3.44m (11'3") depending on boom/stick option |
Sources: Caterpillar D4K2, Hyundai Construction Equipment R35Z-9. 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 4,618kg
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 R35Z-9 if...
A compact, zero tail swing mini digger sized for domestic gardens, landscaping and utility work where space is tight. Widely used by small plant hire firms and groundworkers.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
Common questions
What is the difference between the Caterpillar D4K2 and the Hyundai Construction Equipment R35Z-9?
The Caterpillar D4K2 has 51kW more power and is the bigger machine by 4,618kg. The Caterpillar D4K2 is a small crawler dozer; the Hyundai Construction Equipment R35Z-9 is a zero tail swing mini excavator.
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