Cat 12M vs Cat 140
The Cat 140 is the heavier machine, at 18.7 t against 18.4 t.
The Cat 12M is ahead on: bigger fuel tank, narrower to transport, lower to transport. The Cat 140 is ahead on: more torque, faster, turns tighter.
Below, every figure both makers publish sits side by side, with the Cat 12M and the Cat 140 drawn to the same scale from their dimension drawings.
At a glance
Bold is the machine ahead on each figure, with its lead.
| Figure | Cat 12M | Cat 140 |
|---|---|---|
| Operating weight | 18,400 kg | 18,748 kg |
| Max torqueHigher is better | 1,052 Nm | 1,070 Nm+2% |
| Fuel tankHigher is better | 416 L+12% | 371 L |
| Top speedHigher is better | 46.6 km/h | 48.3 km/h+4% |
| Turning radius (outside front tyres)Lower is better | 7.6 m | 7.5 m+1% |
| Width over tyresLower is better | 2.511 m | 2.521 m |
| Overall height (to top of cab)Lower is better | 3.308 m+4% | 3.454 m |
| Overall length | 10.136 m | 10.297 m |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Weight
Engine
Performance
Transmission and hydraulics
Moldboard and blade range
Tyres
Service capacities
Service intervals
Sources: Cat 12M/140M/140M AWD/160M/160M AWD Motor Graders specalog AEHQ7232-02 (03-2018) · Cat 140 Motor Grader Technical Specifications AEXQ4475-00 (10-2025), build 16A (Global), as Zeppelin (Cat dealer, Czech Republic) publishes it
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat 12M vs Cat 140: questions
Which is bigger, the Cat 12M or Cat 140?
By operating weight the Cat 140 is the biggest at 18.7 t, then the Cat 12M at 18.4 t.
Which has the bigger fuel tank, the Cat 12M or Cat 140?
The Cat 12M: Cat 12M 416 L, Cat 140 371 L (fuel tank), a 12% difference.
Which turns tighter, the Cat 12M or Cat 140?
The Cat 140: Cat 12M 7.6 m, Cat 140 7.5 m (turning radius (outside front tyres)), a 1% difference.
Which is narrower to transport, the Cat 12M or Cat 140?
The Cat 12M: Cat 12M 2.511 m, Cat 140 2.521 m (width over tyres), a 0% 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.
