Head to head
Caterpillar 301.7 CR vs Kubota KX037-4
The Kubota KX037-4 is the bigger machine by 1,603kg and digs 87cm (3ft) deeper.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota KX037-4 is the bigger machine by 1,603kg.
- Dig depth: the Kubota KX037-4 digs 87cm (3ft) deeper.
- Engine power: the Kubota KX037-4 has 2kW more power.
Specifications side by side
| Caterpillar 301.7 CR | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 1,915 kg (4,222 lb) | 3518 kg |
| Dig depth | 2,540 mm (100 in) (long stick) | 3410 mm |
| Engine power | 15.7 kW (21 hp) | 17.8 kw |
| Width | - | 1550 mm |
Sources: Caterpillar 301.7 CR, Kubota KX037-4. 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 KX037-4 if...
- you want one that is the bigger machine by 1,603kg
- you want one that digs 87cm (3ft) deeper
- you want one that has 2kW more power
A 3.5 tonne class digger used by groundworkers, utility contractors and hire fleets for trenching, foundations and landscaping. Suits sites that need more reach and lift than a 3 tonne machine.
Full KX037-4 specifications →Common questions
What is the difference between the Caterpillar 301.7 CR and the Kubota KX037-4?
The Kubota KX037-4 is the bigger machine by 1,603kg and digs 87cm (3ft) deeper. The Caterpillar 301.7 CR is a a sub-2 tonne conventional-tail-swing mini excavator; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.