Head to head
Caterpillar D3 vs Mecalac TA6
The Caterpillar D3 is the bigger machine by 5,217kg and has 23kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Caterpillar D3 is the bigger machine by 5,217kg.
- Engine power: the Caterpillar D3 has 23kW more power.
Specifications side by side
| Caterpillar D3 | Mecalac TA6 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 4145 kg (9138 lb) to 4345 kg (9579 lb) |
| Engine power | 77.6kW (104hp) | 55 kW (74hp) |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Payload | - | 6000 kg |
| Travel speed | - | 25 km/h |
Sources: Caterpillar D3, Mecalac TA6. 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 is the bigger machine by 5,217kg
- you want one that has 23kW more power
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 TA6 if...
A 6 tonne site dumper for groundworks, drainage and general site haulage on UK sites, with a choice of front or swivel skip. It has a foldable ROPS bar with side protection gates.
Full TA6 specifications →Common questions
What is the difference between the Caterpillar D3 and the Mecalac TA6?
The Caterpillar D3 is the bigger machine by 5,217kg and has 23kW more power. The Caterpillar D3 is a small crawler dozer; the Mecalac TA6 is a 6 tonne site dumper with straight or swivel skip.
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