Head to head
Caterpillar 301.7 CR vs Hitachi ZX135USB-7
The Hitachi ZX135USB-7 is the bigger machine by 11,885kg and has 58kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX135USB-7 is the bigger machine by 11,885kg.
- Engine power: the Hitachi ZX135USB-7 has 58kW more power.
Specifications side by side
| Caterpillar 301.7 CR | Hitachi ZX135USB-7 | |
|---|---|---|
| Operating weight | 1,915 kg (4,222 lb) | 13,800 - 16,000kg |
| Engine power | 15.7 kW (21 hp) | 74kW (ISO14396) / 73kW (ISO9249) |
| Dig depth | 2,540 mm (100 in) (long stick) | - |
Sources: Caterpillar 301.7 CR, Hitachi ZX135USB-7. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 301.7 CR if...
The Cat 301.7 CR is Caterpillar's roughly 2 tonne mini excavator, built around the Cat C1.1 engine and backed by Caterpillar's dealer network for parts and service. It is specified on UK sites for the same drainage, groundworks and utility jobs as the Kubota U27-4 and Takeuchi TB216, with buyers often citing Cat's residual values and dealer support over price. It is one of the smaller models in Caterpillar's wider mini excavator line-up, which extends up to around 10 tonnes.
Full 301.7 CR specifications →Buy or hire the ZX135USB-7 if...
- you want one that is the bigger machine by 11,885kg
- you want one that has 58kW more power
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Caterpillar 301.7 CR and the Hitachi ZX135USB-7?
The Hitachi ZX135USB-7 is the bigger machine by 11,885kg and has 58kW more power. The Caterpillar 301.7 CR is a a sub-2 tonne conventional-tail-swing mini excavator; the Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator.
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