Head to head
Hitachi ZX145W-6 vs Iseki TF321F
The Hitachi ZX145W-6 has 89kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX145W-6 has 89kW more power.
Specifications side by side
| Hitachi ZX145W-6 | Iseki TF321F | |
|---|---|---|
| Engine power | 105kW (ISO14396) | 21HP |
| Operating weight | 15,000 - 17,200kg | - |
| Dig depth | 5,520 - 5,770mm | - |
| Drive | - | 4WD |
Sources: Hitachi ZX145W-6, Iseki TF321F. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX145W-6 if...
- you want one that has 89kW more power
Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs.
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 ZX145W-6 and the Iseki TF321F?
The Hitachi ZX145W-6 has 89kW more power. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator; the Iseki TF321F is a 4WD compact tractor.
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