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Caterpillar

120H

Motor Grader

Max Power
140.0 hp
Net Power Gears 7-8
140.0 hp
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Caterpillar 120H Motor Grader
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Specifications

57 data points

Operating Specifications

Operating Specifications specifications
Std Operation Weight - Front Axle7,880 lb
Std Operation Weight - Rear Axle19,720 lb
Hydraulic System Fluid Capacity18.0 gal
Tandem Case Fluid Capacity (each)13.0 gal
Operating Voltage24 V
Cooling System Fluid Capacity10.6 gal
Alternator Supplied Amperage50 A
Circle Gearbox Fluid Capacity1.9 gal
Rear Diff/Final Drive Fluid Capacity12.5 gal
Oil System Fluid Capacity6.1 gal

Engine

Engine specifications
Engine Model3116 DITA
Displacement403 in³
Power Measured @2,000 rpm
Number of Cylinders6
Aspirationturbocharged
Torque Measured @1,400 rpm
Max Power140.0 hp
Net Power Gears 7-8140.0 hp
Net Power Gear 1-2125.0 hp
Net Power Gear 4-6125.0 hp

Hydraulic System

Hydraulic System specifications
Pump Flow39.1 gal/min
Pump TypeAxial Piston
Relief Valve Pressure3,500 psi

Dimensions

Dimensions specifications
Wheelbase231 in
Overall Length325 in
Width Over Tires97 in
Height to Top of Isomount Cab124 in
Blade Base103 in
Tandem Axle Wheelbase60 in
Front Ground Clearance24 in

Transmission

Transmission specifications
Max Speed - Forward26.5 mph
Max Speed - Reverse21.0 mph
Number of Gears - Forward8
Number of Gears - Reverse6
Transmission Typedirect drive powershift

Moldboard

Moldboard specifications
Moldboard Height24 in
Moldboard Width145 in
Moldboard Thickness1 in
Side Shift Left21 in
Side Shift Right26 in
Max Depth of Cut31 in
Blade Pull at Max Weight23,503 lb
Blade Down Pressure20,062 lb

Circle

Circle specifications
Max Lift Above Ground18 in
Max Reach Outside Tires - Left73 in
Max Reach Outside Tires - Right75 in
Diameter60 in
Blade Tip Angle - Front40 °
Rotation360 °
Blade Tip Angle - Rear5 °
Shift Left25 in
Shift Right25 in

Front Axle

Front Axle specifications
Wheel Lean18 °
Oscillation - Total32 °
Ground Clearance24 in

Steering System

Steering System specifications
Turning Radius284 in
Articulation Angle20 °

Comparable machines

Other motor graders in a similar weight class.