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
- 399 in
- Front tyre to rear of machine
- 344 in
- Wheelbase
- 241 in
- Front axle to moldboard
- 100 in
- Tandem axle spacing
- 60.0 in
- Overall height (to top of cab)
- 130 in
- Height to top of exhaust
- 121 in
- Height to top of cylinders
- 119 in
- Height to front axle centre
- 23.5 in
- Ground clearance
- 13.3 in
- Tread width
- 84.0 in
- Width over rear tyres
- 98.0 in
- Width over tyres
- 98.0 in
7
6
5
4
3
1
10
9
2
8
11
12
13
Dimensions
- Overall length, ripper raised (push plate to ripper, retracted)
- 386 in
Weight
- Operating weight
- 40,565 lb
- Base weight
- 35,782 lb
- Maximum gross vehicle weight
- 48,600 lb
Engine
- Engine model
- Cat C7 ACERT
- Emissions
- Equivalent to U.S. EPA Tier 3 / EU Stage IIIA
- Cylinders
- 6
- Displacement
- 439 in3
- Net power (base power, 1st gear (ISO 9249))
- 183 hp
- Net power, VHP Plus range
- 136-159 kW
- Max torque (VHP Plus, at 1,000 rpm)
- 776 lb-ft
- Rated speed
- 2,000 rpm
Performance
- Top speed (forward)
- 29.0 mph
- Top speed, reverse
- 22.9 mph
- Turning radius (outside front tyres)
- 24 ft 10 in
- 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)
- 55.7 gal/min
- Max pressure
- 24 150 kPa
Moldboard and blade range
- Blade width
- 12 ft
- Moldboard height
- 24.0 in
- Moldboard thickness
- 0.87 in
- Arc radius
- 16.3 in
- Throat clearance
- 6.5 in
- Blade pull (base GVW (maximum GVW 13 685 kg))
- 23,832 lb
- Down pressure (base GVW (maximum GVW 11 739 kg))
- 15,969 lb
- Circle centreshift, right
- 28.7 in
- Circle centreshift, left
- 27.4 in
- Moldboard sideshift, right
- 26.0 in
- Moldboard sideshift, left
- 20.1 in
- Maximum blade position angle
- 90°
- Blade tip range, forward
- 40°
- Blade tip range, backward
- 5°
- Max shoulder reach outside tyres, right
- 77.9 in
- Max shoulder reach outside tyres, left
- 70.5 in
- Max lift above ground
- 18.9 in
- Max depth of cut
- 28.1 in
- Ripping depth, maximum
- 16.8 in
Tyres
- Tyres
- 14.00R24 on multi-piece rims
Service capacities
- Fuel tank
- 110 gal
- Cooling system
- 10.6 gal
- Hydraulic tank
- 16.9 gal
- Engine oil
- 6.6 gal
- Transmission, differential and final drives
- 16.9 gal
- Tandem housing, each
- 16.9 gal
- Circle drive housing
- 1.8 gal
Service intervals
- Coolant
- 12,000 hours