Head to head
Hitachi ZX225US-7 vs Iseki TF321F
The Hitachi ZX225US-7 has 113kW more power.
Last reviewed 13 September 2026
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Key differences
- Engine power: the Hitachi ZX225US-7 has 113kW more power.
Specifications side by side
| Hitachi ZX225US-7 | Iseki TF321F | |
|---|---|---|
| Engine power | 128.4kW (ISO14396) / 122kW (ISO9249) | 21HP |
| Operating weight | 24,800 - 29,100kg | - |
| Dig depth | 6,120mm | - |
| Drive | - | 4WD |
Sources: Hitachi ZX225US-7, Iseki TF321F. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX225US-7 if...
- you want one that has 113kW more power
For contractors working in restricted yards or alongside live structures who still need the dig performance of a 20-tonne-plus machine. The reduced tail swing keeps the counterweight closer to the tracks than a standard crawler excavator of this size.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
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 Hitachi ZX225US-7 and the Iseki TF321F?
The Hitachi ZX225US-7 has 113kW more power. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Iseki TF321F is a 4WD compact tractor.
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