Overview
The Caterpillar 120H 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 89.9 gal and hydraulic capacity of 18.0 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 120H against similar motor grader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Std Operation Weight - Total
25,040.20
lb
Max Power
140
hp
Moldboard Width
12.10
ft
Overall Length
26.71
ft
Full Specifications
55 specs
Dimensions
Front Ground Clearance
2 ft / 0.61 m
Height To Top Of Isomount Cab
10.21 ft / 3.11 m
Overall Length
26.71 ft / 8.14 m
Tandem Axle Wheelbase
4.96 ft / 1.51 m
Wheelbase
19.26 ft / 5.87 m
Width Over Tires
8.01 ft / 2.44 m
Engine
Alternator Supplied Amperage
35 A
Articulation Angle
20 deg
Blade Down Pressure
20,062 lb / 9,100 kg
Blade Pull At Max Weight
23,504 lb / 10,661 kg
Circle Gearbox Fluid Capacity
1.90 gal / 7.2 L
Cooling System Fluid Capacity
10.60 gal / 40.1 L
Displacement
403 cu in / 6.6 L
Engine Make
2236
Engine Model
3116 DITA
Fuel Capacity
89.90 gal / 340.3 L
Ground Clearance
2 ft / 0.61 m
Hydraulic System Fluid Capacity
18 gal / 68.1 L
Max Depth Of Cut
30.60 ft / 9.33 m
Max Power
140 hp / 104.4 kW
Max Speed - Forward
26.50 mph / 42.6 km/h
Max Speed - Reverse
21 mph / 33.8 km/h
Moldboard Height
24.10 in / 612 mm
Moldboard Thickness
0.90 in / 23 mm
Moldboard Width
12.10 ft / 3.69 m
Net Power Gear 4-6
125 hp / 93.2 kW
Net Power Gears 7-8
140 hp / 104.4 kW
Number Of Gears - Forward
8
Number Of Gears - Reverse
6
Number of Cylinders
6
Oil System Fluid Capacity
6.10 gal / 23.1 L
Operating Voltage
24 V
Oscillation - Total
32 deg
Power Measured @
2,000 rpm
Pump Flow
39.10 gal/min / 148.0 L/min
Rear Diff/Final Drive Fluid Capacity
12.50 gal / 47.3 L
Relief Valve Pressure
3,500 psi / 241.3 bar
Side Shift Left
20.70 in / 526 mm
Side Shift Right
26 in / 660 mm
Std Operation Weight - Front Axle
7,880 lb / 3,574 kg
Std Operation Weight - Rear Axle
19,720 lb / 8,945 kg
Std Operation Weight - Total
25,040 lb / 11,358 kg
Tandem Case Fluid Capacity (Each)
13 gal / 49.2 L
Torque Measured @
1,400 rpm
Turning Radius
23.70 ft / 7.22 m
Wheel Lean
18 deg
Hydraulics
Blade Tip Angle - Front
40 deg
Blade Tip Angle - Rear
5 deg
Diameter
60.30 in / 1,532 mm
Max Lift Above Ground
18 in / 457 mm
Max Reach Outside Tires - Left
72.50 ft / 22.10 m
Max Reach Outside Tires - Right
75.30 ft / 22.95 m
Rotation
360 deg
Shift Left
24.70 in / 627 mm
Shift Right
24.80 in / 630 mm
Related Machines
Frequently Asked Questions
How does the Caterpillar 120H compare to similar Motor Grader models? +
You can compare the Caterpillar 120H 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.