Caterpillar 120H Motor Grader

Circle

Blade Tip Angle – Front 40 degrees
Blade Tip Angle – Rear 5 degrees
Diameter 60 in (153 cm)
Max Lift Above Ground 18 in (46 cm)
Max Reach Outside Tires – Left 73 in (184 cm)
Max Reach Outside Tires – Right 75 in (191 cm)
Rotation 360 degrees
Shift Left 25 in (63 cm)
Shift Right 25 in (63 cm)

Dimensions

Blade Base 9 ft (3 m)
Front Ground Clearance 2 ft (1 m)
Height to Top of Isomount Cab 10 ft (3 m)
Overall Length 27 ft (8 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 19 ft (6 m)
Width Over Tires 8 ft (2 m)

Engine

Aspiration turbocharged
Displacement 403 cu in (6,601 cu cm)
Engine Model 3116 DITA
Max Power 140 hp (104 kw)
Net Power Gear 1-2 125 hp (93 kw)
Net Power Gear 4-6 125 hp (93 kw)
Net Power Gears 7-8 140 hp (104 kw)
Number of Cylinders 6
Power Measured @ 2000 rpm
Torque Measured @ 1400 rpm

Front Axle

Ground Clearance 2 ft (1 m)
Oscillation – Total 32 degrees
Wheel Lean 18 degrees

Hydraulic System

Pump Flow 39 gpm (148 lpm)
Pump Type Axial Piston
Relief Valve Pressure 3500 psi

Moldboard

Blade Down Pressure 20,062 lbs (9,100 kg)
Blade Pull at Max Weight 23,504 lbs (10,661 kg)
Max Depth of Cut 31 in (78 cm)
Moldboard Height 24 in (61 cm)
Moldboard Thickness 1 in (2 cm)
Moldboard Width 12 ft (4 m)
Side Shift Left 21 in (53 cm)
Side Shift Right 26 in (66 cm)

Operating Specifications

Alternator Supplied Amperage 50 amps
Circle Gearbox Fluid Capacity 2 gal (7 l)
Cooling System Fluid Capacity 11 gal (40 l)
Hydraulic System Fluid Capacity 18 gal (68 l)
Oil System Fluid Capacity 6 gal (23 l)
Operating Voltage 24 volts
Rear Diff/Final Drive Fluid Capacity 13 gal (47 l)
Std Operation Weight – Front Axle 7,880 lbs (3,574 kg)
Std Operation Weight – Rear Axle 19,720 lbs (8,945 kg)
Tandem Case Fluid Capacity (each) 13 gal (49 l)

Steering System

Articulation Angle 20 degrees
Turning Radius 24 ft (7 m)

Transmission

Max Speed – Forward 27 mph (43 kph)
Max Speed – Reverse 21 mph (34 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 6
Transmission Type direct drive, powershift
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