- Category: Motor Graders ➔
- Manufacturer: Caterpillar ➔
- Model: 120H ➔
The Caterpillar 120H Motor Grader is a powerful machine designed for high-performance grading applications. With a robust engine delivering up to 140 horsepower and a durable moldboard with a maximum depth of cut of 30.6 inches, this motor grader offers efficiency and precision in construction and road maintenance projects. Its advanced hydraulic system, ergonomic design, and reliable transmission make it a top choice for demanding grading tasks. Explore the detailed specifications of the Caterpillar 120H Motor Grader below to discover its impressive capabilities.
General Specifications
Circle
Blade Tip Angle - Front | 40 degrees
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Blade Tip Angle - Rear | 5 degrees
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Diameter | 60 in (153 cm)
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Max Lift Above Ground | 18 in (46 cm)
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Max Reach Outside Tires - Left | 73 in (184 cm)
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Max Reach Outside Tires - Right | 75 in (191 cm)
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Rotation | 360 degrees
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Shift Left | 25 in (63 cm)
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Shift Right | 25 in (63 cm)
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Dimensions
Blade Base | 9 ft (3 m)
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Front Ground Clearance | 2 ft (1 m)
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Height to Top of Isomount Cab | 10 ft (3 m)
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Overall Length | 27 ft (8 m)
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Tandem Axle Wheelbase | 5 ft (2 m)
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Wheelbase | 19 ft (6 m)
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Width Over Tires | 8 ft (2 m)
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Engine
Aspiration | turbocharged
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Displacement | 403 cu in (6,601 cu cm)
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Engine Model | 3116 DITA
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Max Power | 140 hp (104 kw)
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Net Power Gear 1-2 | 125 hp (93 kw)
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Net Power Gear 4-6 | 125 hp (93 kw)
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Net Power Gears 7-8 | 140 hp (104 kw)
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Number of Cylinders | 6
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Power Measured @ | 2000 rpm
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Torque Measured @ | 1400 rpm
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Front Axle
Ground Clearance | 2 ft (1 m)
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Oscillation - Total | 32 degrees
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Wheel Lean | 18 degrees
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Hydraulic System
Pump Flow | 39 gpm (148 lpm)
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Pump Type | Axial Piston
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Relief Valve Pressure | 3500 psi
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Moldboard
Blade Down Pressure | 20,062 lbs (9,100 kg)
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Blade Pull at Max Weight | 23,504 lbs (10,661 kg)
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Max Depth of Cut | 31 in (78 cm)
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Moldboard Height | 24 in (61 cm)
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Moldboard Thickness | 1 in (2 cm)
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Moldboard Width | 12 ft (4 m)
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Side Shift Left | 21 in (53 cm)
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Side Shift Right | 26 in (66 cm)
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Operating Specifications
Alternator Supplied Amperage | 50 amps
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Circle Gearbox Fluid Capacity | 2 gal (7 l)
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Cooling System Fluid Capacity | 11 gal (40 l)
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Hydraulic System Fluid Capacity | 18 gal (68 l)
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Oil System Fluid Capacity | 6 gal (23 l)
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Operating Voltage | 24 volts
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Rear Diff/Final Drive Fluid Capacity | 13 gal (47 l)
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Std Operation Weight - Front Axle | 7,880 lbs (3,574 kg)
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Std Operation Weight - Rear Axle | 19,720 lbs (8,945 kg)
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Tandem Case Fluid Capacity (each) | 13 gal (49 l)
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Steering System
Articulation Angle | 20 degrees
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Turning Radius | 24 ft (7 m)
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Transmission
Max Speed - Forward | 27 mph (43 kph)
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Max Speed - Reverse | 21 mph (34 kph)
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Number of Gears - Forward | 8
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Number of Gears - Reverse | 6
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Transmission Type | direct drive powershift
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