Head to head
Caterpillar D4K2 vs Iseki TF321F
The Caterpillar D4K2 has 53kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 53kW more power.
Specifications side by side
| Caterpillar D4K2 | Iseki TF321F | |
|---|---|---|
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 21HP |
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | - |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Drive | - | 4WD |
Sources: Caterpillar D4K2, Iseki TF321F. 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 53kW more power
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 TF321F if...
A small 4WD compact tractor aimed at smallholdings, paddocks and estate grounds work rather than full-scale farming. Its low power puts it alongside garden and topper attachments, not ploughing or heavy haulage.
Listed by
- Baz plant Sales agricultural plant and machinery dealer - Chesterfield
Common questions
What is the difference between the Caterpillar D4K2 and the Iseki TF321F?
The Caterpillar D4K2 has 53kW more power. The Caterpillar D4K2 is a small crawler dozer; the Iseki TF321F is a 4WD compact tractor.
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