Caterpillar 120M2 Motor Grader

Circle

Blade Tip Angle – Front 40 degrees
Blade Tip Angle – Rear 5 degrees
Diameter 60 in (153 cm)
Max Lift Above Ground 17 in (43 cm)
Max Reach Outside Tires – Left 69 in (174 cm)
Max Reach Outside Tires – Right 75 in (190 cm)
Rotation 360 degrees
Shift Left 26 in (66 cm)
Shift Right 26 in (66 cm)

Dimensions

Blade Base 8 ft (3 m)
Height to Top of Isomount Cab 11 ft (3 m)
Overall Length 29 ft (9 m)
Rear Ground Clearance 1 ft (0 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 20 ft (6 m)
Width Over Tires 8 ft (3 m)

Engine

Bore 4 in (11 cm)
Displacement 428 cu in (7,010 cu cm)
Engine Model C7.1 ACERT
Net Power Gear 1-2 145 hp (108 kw)
Number of Cylinders 6
Power Measured @ 2100 rpm
Stroke 5 in (14 cm)
Torque 693 lbs ft (939 nm)

Front Axle

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

Hydraulic System

Pump Flow 56 gpm (211 lpm)
Pump Type Variable Piston
Relief Valve Pressure 3500 psi

Moldboard

Blade Down Pressure 27,236 lbs (12,354 kg)
Blade Pull at Max Weight 29,981 lbs (13,599 kg)
Max Depth of Cut 28 in (72 cm)
Moldboard Height 24 in (61 cm)
Moldboard Thickness 1 in (2 cm)
Moldboard Width 12 ft (4 m)
Side Shift Left 20 in (51 cm)
Side Shift Right 26 in (66 cm)

Operating Specifications

Circle Gearbox Fluid Capacity 2 gal (7 l)
Cooling System Fluid Capacity 13 gal (49 l)
Fuel Capacity 100 gal (378 l)
Hydraulic System Fluid Capacity 17 gal (64 l)
Max Operation Weight – Front Axle 15,675 lbs (7,110 kg)
Max Operation Weight – Rear Axle 33,312 lbs (15,110 kg)
Max Operation Weight – Total 48,987 lbs (22,220 kg)
Oil System Fluid Capacity 8 gal (30 l)
Rear Diff/Final Drive Fluid Capacity 17 gal (63 l)
Std Operation Weight – Front Axle 10,563 lbs (4,791 kg)
Std Operation Weight – Rear Axle 29,329 lbs (13,303 kg)
Std Operation Weight – Total 39,892 lbs (18,095 kg)
Tandem Case Fluid Capacity (each) 16 gal (59 l)
Tire Size 17.5 R25

Steering System

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

Transmission

Max Speed – Forward 28 mph (46 kph)
Max Speed – Reverse 23 mph (36 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 6
Transmission Type Direct Drive, Powershift
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