Overview
The Caterpillar 12H is a motor grader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include fuel capacity of 100.0 gal and hydraulic capacity of 19.5 gal. This model can be reviewed for equipment comparison, jobsite planning, fleet research, and specification-based machine selection. Use the full specifications table to compare the Caterpillar 12H against similar motor grader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Std Operation Weight - Total
31,320
lb
Max Power
165
hp
Moldboard Width
12
ft
Overall Length
28.12
ft
Full Specifications
62 specs
Dimensions
Blade Base
8.44 in / 214 mm
Front Ground Clearance
1.95 ft / 0.59 m
Height To Top Of Isomount Cab
10.17 ft / 3.10 m
Overall Length
28.12 ft / 8.57 m
Rear Ground Clearance
1.13 ft / 0.34 m
Tandem Axle Wheelbase
4.99 ft / 1.52 m
Wheelbase
19.97 ft / 6.09 m
Width Over Tires
8 ft / 2.44 m
Engine
Alternator Supplied Amperage
75 A
Articulation Angle
50 deg
Blade Down Pressure
23,808 lb / 10,799 kg
Blade Pull At Max Weight
28,867 lb / 13,094 kg
C-9 ETA VHP
1
Circle Gearbox Fluid Capacity
1.80 gal / 6.8 L
Cooling System Fluid Capacity
11.60 gal / 43.9 L
Displacement
537 cu in / 8.8 L
Engine Make
2236
Engine Model
C-9 ETA VHP
Fuel Capacity
100 gal / 378.5 L
Ground Clearance
2 ft / 0.61 m
Hydraulic System Fluid Capacity
19.50 gal / 73.8 L
Max Depth Of Cut
28.90 ft / 8.81 m
Max Operation Weight - Front Axle
13,744 lb / 6,234 kg
Max Operation Weight - Rear Axle
32,074 lb / 14,549 kg
Max Operation Weight - Total
45,818 lb / 20,783 kg
Max Power
165 hp / 123.0 kW
Max Speed - Forward
27.40 mph / 44.1 km/h
Max Speed - Reverse
21.60 mph / 34.8 km/h
Moldboard Height
24 in / 610 mm
Moldboard Thickness
0.90 in / 23 mm
Moldboard Width
12 ft / 3.66 m
Net Power Gear 1-2
145 hp / 108.1 kW
Net Power Gear 4-6
165 hp / 123.0 kW
Net Power Gear 5-6
165 hp / 123.0 kW
Net Power Gears 7-8
165 hp / 123.0 kW
Number Of Gears - Forward
8
Number Of Gears - Reverse
6
Number of Cylinders
6
Oil System Fluid Capacity
7.20 gal / 27.3 L
Operating Voltage
24 V
Oscillation - Total
32 deg
Power Measured @
2,000 rpm
Pump Flow
51.90 gal/min / 196.5 L/min
Rear Diff/Final Drive Fluid Capacity
12.20 gal / 46.2 L
Relief Valve Pressure
3,500 psi / 241.3 bar
Side Shift Left
20.60 in / 523 mm
Side Shift Right
26 in / 660 mm
Std Operation Weight - Front Axle
8,346 lb / 3,786 kg
Std Operation Weight - Rear Axle
22,974 lb / 10,421 kg
Std Operation Weight - Total
31,320 lb / 14,207 kg
Tandem Case Fluid Capacity (Each)
16.90 gal / 64.0 L
Turning Radius
24.30 ft / 7.41 m
Wheel Lean
18 deg
Hydraulics
Blade Tip Angle - Front
40 deg
Blade Tip Angle - Rear
5 deg
Diameter
60.20 in / 1,529 mm
Max Lift Above Ground
18.90 in / 480 mm
Max Reach Outside Tires - Left
73.60 ft / 22.43 m
Max Reach Outside Tires - Right
71.20 ft / 21.70 m
Rotation
360 deg
Shift Left
27.40 in / 696 mm
Shift Right
28.70 in / 729 mm
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Frequently Asked Questions
How does the Caterpillar 12H compare to similar Motor Grader models? +
You can compare the Caterpillar 12H side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.