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Head to head

Kubota KX037-4 vs Kubota U17-3a

The Kubota KX037-4 is the bigger machine by 1,818kg and has 7kW more power.

Last reviewed 13 September 2026

Kubota KX037-4
Kubota KX037-4 - image: Kubota (U.K.) Limited
Kubota U17-3a
Kubota U17-3a - image: ke.kubota-eu.com

Key differences

Specifications side by side

Kubota KX037-4Kubota U17-3a
Operating weight3518 kg1,700kg
Dig depth3410 mm2,460mm
Engine power17.8 kw11.3kW
Width1550 mm-

Sources: Kubota KX037-4, Kubota U17-3a. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the KX037-4 if...

  • you want one that is the bigger machine by 1,818kg
  • you want one that has 7kW more power
  • you want one that digs 95cm (3ft) deeper

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 →

Buy or hire the U17-3a if...

A step up from a micro excavator for landscaping and groundworks contractors who need more dig depth and breakout force while still fitting through a standard gate or gap. Common on garden and small drainage jobs.

Listed by

Full U17-3a specifications →

Common questions

What is the difference between the Kubota KX037-4 and the Kubota U17-3a?

The Kubota KX037-4 is the bigger machine by 1,818kg and has 7kW more power. The Kubota KX037-4 is a 3.5 tonne class mini excavator; the Kubota U17-3a is a 1.7 tonne 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.