Head to head
Iseki TF321F vs Kubota U55-4
The Kubota U55-4 has 18kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Kubota U55-4 has 18kW more power.
Specifications side by side
| Iseki TF321F | Kubota U55-4 | |
|---|---|---|
| Engine power | 21HP | 46PS |
| Drive | 4WD | - |
| Operating weight | - | 5400kg |
Sources: Iseki TF321F, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
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
Buy or hire the U55-4 if...
- you want one that has 18kW more power
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Iseki TF321F and the Kubota U55-4?
The Kubota U55-4 has 18kW more power. The Iseki TF321F is a 4WD compact tractor; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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