Head to head
Caterpillar D3 vs Hyundai Construction Equipment R35Z-9
The Caterpillar D3 has 60kW more power and is the bigger machine by 5,812kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D3 has 60kW more power.
- Operating weight: the Caterpillar D3 is the bigger machine by 5,812kg.
Specifications side by side
| Caterpillar D3 | Hyundai Construction Equipment R35Z-9 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 3550kg (7826lb) |
| Engine power | 77.6kW (104hp) | 17.7kW (23.7hp) |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Max digging depth | - | up to 3.44m (11'3") depending on boom/stick option |
Sources: Caterpillar D3, Hyundai Construction Equipment R35Z-9. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
- you want one that has 60kW more power
- you want one that is the bigger machine by 5,812kg
Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.
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 D3 and the Hyundai Construction Equipment R35Z-9?
The Caterpillar D3 has 60kW more power and is the bigger machine by 5,812kg. The Caterpillar D3 is a small crawler dozer; the Hyundai Construction Equipment R35Z-9 is a zero tail swing mini excavator.
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