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Current number of specifications

Caterpillar 120H Motor Grader

Selected Dimensions

A. Overall Length26.7 ft in8140 mm
B. Width Over Tires8 ft in2440 mm
D. Wheelbase19.3 ft in5870 mm
F. Front Ground Clearance2 ft in608 mm
G. Tandem Axle Wheelbase5 ft in1510 mm


Number of Cylinders6
Model3116 DITA
Power Measured @2000 rpm
Torque Measured @1400 rpm
Max Power140 hp104.4 kw
Net Power Gears 7-8140 hp104.4 kw
Displacement402.8 cu in6.6 L
Net Power Gear 3-4125 hp93.2 kw
Std Operation Weight - Front Axle7880 lb3574.3 kg
Std Operation Weight - Rear Axle19720 lb8944.8 kg
Std Operation Weight - Total25040.1 lb11358 kg
Fuel Capacity89.8 gal340 L
Oil System Fluid Capacity6.1 gal23 L
Cooling System Fluid Capacity10.6 gal40 L
Hydrauilc System Fluid Capacity18 gal68 L
Rear Diff/Final Drive Fluid Capacity12.4 gal47 L
Circle Gearbox Fluid Capacity1.8 gal7 L
Tandem Case Fluid Capacity (each)12.9 gal49 L
Tire Size13-24 (10 PR) (G-2)
Operating Voltage24 V
Alternator Supplied Amperage35 amps
Typedirect drive, powershift
Number of Gears - Forward8
Number of Gears - Reverse6
Max Speed - Forward26.5 mph42.6 km/h
Max Speed - Reverse20.9 mph33.7 km/h
Articulation L/R20 degrees
Turning Radius23.6 ft in7.2 m
Front Axle
Wheel Lean18 degrees
Oscillation - Total32 degrees
Ground Clearance2 ft in608 mm
Hydraulic System
Pump TypeAxial Piston
Pump Flow39.1 gal/min148 L/min
Relief Valve Pressure3500 psi24131.6 kPa
Moldboard Width12 ft in3660 mm
Moldboard Height24 in610 mm
Moldboard Thickness0.87 in22 mm
Max Depth of Cut30.5 in775 mm
Side Shift Left20.6 in524 mm
Side Shift Right26 in660 mm
Blade Pull at Max Weight23503.5 lb10661 kg
Blade Down Pressure20062.1 lb9100 kg
Diameter60.2 in1530 mm
Rotation360 degrees
Shift Left24.6 in625 mm
Shift Right24.7 in628 mm
Max Reach Outside Tires - Left72.4 in1840 mm
Max Reach Outside Tires - Right75.3 in1912 mm
Max Lift Above Ground18 in457 mm
Blade Tip Angle - Front40 degrees
Blade Tip Angle - Rear5 degrees
Height to Top of Isomount Cab10.2 ft in3110 mm
Overall Length26.7 ft in8140 mm
Width Over Tires8 ft in2440 mm
Wheelbase19.3 ft in5870 mm
Tandem Axle Wheelbase5 ft in1510 mm
Front Ground Clearance2 ft in608 mm