Bobcat 331 vs Kubota KX040-4
The Kubota KX040-4 is the heavier machine, at 4.17 t against 3.27 t, and the Bobcat 331 has more power (29.9 kW against 29 kW).
The Bobcat 331 is ahead on: more power, faster, narrower to transport, lower to transport. The Kubota KX040-4 is ahead on: digs deeper, reaches further, dumps higher, more hydraulic flow, bigger fuel tank.
Below, every figure both makers publish sits side by side, with the Bobcat 331 and the Kubota KX040-4 drawn to the same scale from their dimension drawings.
At a glance
Bold is the machine ahead on each figure, with its lead.
| Figure | Bobcat 331 | Kubota KX040-4 |
|---|---|---|
| Operating weight | 3,273 kg | 4,170 kg |
| Net powerHigher is better | 29.9 kW+3% | 29 kW |
| Max digging depthHigher is better | 3.101 m | 3.42 m+10% |
| Max reach at ground levelHigher is better | 4.874 m | 5.41 m+11% |
| Max dumping heightHigher is better | 3.089 m | 3.9 m+26% |
| Pump flowHigher is better | 91 L/min | 92 L/min+2% |
| Fuel tankHigher is better | 57.9 L | 64 L+11% |
| Travel speed (high)Higher is better | 5.6 km/h+12% | 5 km/h |
| Overall widthLower is better | 1.54 m+9% | 1.7 m |
| Overall height (to top of cab)Lower is better | 2.391 m+4% | 2.485 m |
| Overall length | 4.88 m | 5.085 m |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Performance
Weight
Engine
Hydraulics
Service capacities
Service intervals
Blade
Sources: Bobcat D-Series Excavators brochure (322, 325, 328, 331, 331E, 334, 337, 341), Machine.Market copy of the Bobcat Company brochure · Kubota KX040-4 spec sheet 8885C-01-CL (Kubota Canada, 2022-03; dealer copy, SOS Equipment)
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Bobcat 331 vs Kubota KX040-4: questions
Which is bigger, the Bobcat 331 or Kubota KX040-4?
By operating weight the Kubota KX040-4 is the biggest at 4.17 t, then the Bobcat 331 at 3.27 t.
Which has more power, the Bobcat 331 or Kubota KX040-4?
The Bobcat 331: Bobcat 331 29.9 kW (40.0 hp), Kubota KX040-4 29 kW (38.9 HP) (net power), a 3% difference.
Which digs deeper, the Bobcat 331 or Kubota KX040-4?
The Kubota KX040-4: Bobcat 331 3.101 m, Kubota KX040-4 3.42 m (max digging depth), a 10% difference.
Which reaches further, the Bobcat 331 or Kubota KX040-4?
The Kubota KX040-4: Bobcat 331 4.874 m, Kubota KX040-4 5.41 m (max reach at ground level), a 11% difference.
Which has the bigger fuel tank, the Bobcat 331 or Kubota KX040-4?
The Kubota KX040-4: Bobcat 331 57.9 L, Kubota KX040-4 64 L (fuel tank), a 11% difference.
Which is narrower to transport, the Bobcat 331 or Kubota KX040-4?
The Bobcat 331: Bobcat 331 1.54 m, Kubota KX040-4 1.7 m (overall width), a 9% difference.
Where do these figures come from?
Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.
Can I rent or buy these machines in the UAE?
Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.
