Head to head
Caterpillar D6N vs Iseki TF321F
The Caterpillar D6N has 108kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D6N has 108kW more power.
Specifications side by side
| Caterpillar D6N | Iseki TF321F | |
|---|---|---|
| Engine power | 124kW (166hp) at 1800rpm | 21HP |
| Operating weight | 16757kg (36,943lb) | - |
| Blade capacity | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) | - |
| Engine | Cat C7.1 ACERT | - |
| Drive | - | 4WD |
Sources: Caterpillar D6N, Iseki TF321F. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6N if...
- you want one that has 108kW more power
A mid-size dozer used for earthmoving, site clearance and haul road maintenance. The VPAT blade option lets one machine angle, tilt and pitch for grading as well as straight pushing.
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 D6N and the Iseki TF321F?
The Caterpillar D6N has 108kW more power. The Caterpillar D6N is a medium crawler dozer; the Iseki TF321F is a 4WD compact tractor.
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