Specification sheetIssued 4 November 2026
Cat · motor grader
Cat 12M
Cat 12M (C7 ACERT, emissions equivalent to U.S. EPA Tier 3 / EU Stage IIIA, 3.7 m moldboard, 14.00R24 tyres) from Cat's last 12M specalog (2018); not the North American 12M3 (C9.3, Tier 4 Final), which has different figures.
UAEGlobal
- Overall length
- 10.136 m
- Front tyre to rear of machine
- 8.754 m
- Wheelbase
- 6.123 m
- Front axle to moldboard
- 2.552 m
- Tandem axle spacing
- 1.523 m
- Overall height (to top of cab)
- 3.308 m
- Height to top of exhaust
- 3.076 m
- Height to top of cylinders
- 3.04 m
- Height to front axle centre
- 0.596 m
- Ground clearance
- 0.339 m
- Tread width
- 2.14 m
- Width over rear tyres
- 2.511 m
- Width over tyres
- 2.511 m
7
6
5
4
3
1
10
9
2
8
11
12
13
Dimensions
- Overall length, ripper raised (push plate to ripper, retracted)
- 9.818 m
Weight
- Operating weight
- 18,400 kg
- Base weight
- 16,231 kg
- Maximum gross vehicle weight
- 22,045 kg
Engine
- Engine model
- Cat C7 ACERT
- Emissions
- Equivalent to U.S. EPA Tier 3 / EU Stage IIIA
- Cylinders
- 6
- Displacement
- 7.2 L
- Net power (base power, 1st gear (ISO 9249))
- 136 kW (183 hp)
- Net power, VHP Plus range
- 136-159 kW
- Max torque (VHP Plus, at 1,000 rpm)
- 1,052 Nm
- Rated speed
- 2,000 rpm
Performance
- Top speed (forward)
- 46.6 km/h
- Top speed, reverse
- 36.8 km/h
- Turning radius (outside front tyres)
- 7.6 m
- Steering range, left/right
- 48°
- Articulation angle, left/right
- 20°
Transmission and hydraulics
- Transmission
- Direct drive, power shift, countershaft; 8 forward / 6 reverse
- Pump flow (variable piston pump, at 2,150 rpm)
- 210 L/min
- Max pressure
- 24 150 kPa
Moldboard and blade range
- Blade width
- 3.7 m
- Moldboard height
- 610 mm
- Moldboard thickness
- 22 mm
- Arc radius
- 413 mm
- Throat clearance
- 166 mm
- Blade pull (base GVW (maximum GVW 13 685 kg))
- 10,810 kg
- Down pressure (base GVW (maximum GVW 11 739 kg))
- 7,244 kg
- Circle centreshift, right
- 728 mm
- Circle centreshift, left
- 695 mm
- Moldboard sideshift, right
- 660 mm
- Moldboard sideshift, left
- 510 mm
- Maximum blade position angle
- 90°
- Blade tip range, forward
- 40°
- Blade tip range, backward
- 5°
- Max shoulder reach outside tyres, right
- 1,978 mm
- Max shoulder reach outside tyres, left
- 1,790 mm
- Max lift above ground
- 480 mm
- Max depth of cut
- 715 mm
- Ripping depth, maximum
- 428 mm
Tyres
- Tyres
- 14.00R24 on multi-piece rims
Service capacities
- Fuel tank
- 416 L
- Cooling system
- 40 L
- Hydraulic tank
- 64 L
- Engine oil
- 25 L
- Transmission, differential and final drives
- 64 L
- Tandem housing, each
- 64 L
- Circle drive housing
- 7 L
Service intervals
- Coolant
- 12,000 hours