- Overall Length: 28.94 ft / 8820 mm
- Width Over Tires: 8.24 ft / 2511 mm
- Wheelbase: 19.42 ft / 5917 mm
- Rear Ground Clearance: 1.15 ft / 348 mm
Published dimensions and weight
Caterpillar 120M2
The Caterpillar 120M2 is a motor grader powered by a 145 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Std Operation Weight - Total39892 lb18094.8 kg
03Selected published values59
Motor graders are commonly used to shape, level and maintain roads, pads and drainage surfaces. Published rows for Caterpillar 120M2 include published moldboard width of 12 ft / 3657.6 mm, published operating weight of 39892 lb / 18094.8 kg, the published “Overall Length” field of 28.94 ft / 8820 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (28.94 ft / 8820 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tires” field (8.24 ft / 2511 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Wheelbase” field (19.42 ft / 5917 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length28.94 ft8820 mm
Width Over Tires8.24 ft2511 mm
Wheelbase19.42 ft5917 mm
Rear Ground Clearance1.15 ft348 mm
Tandem Axle Wheelbase4.96 ft1510 mm
Blade Base8.24 ft2510 mm
Height To Top Of Isomount Cab10.86 ft3308 mm
Engine
Torque692.6 lb ft939 Nm
Number Of Cylinders66
Engine ModelC7.1 ACERTC7.1 ACERT
Net Power Gear 1-2145 hp108.2 kw
Power Measured @2100 rpm2100 rpm
Displacement427.8 cu in7.1 L
Bore4.2 in105 mm
Stroke5.4 in135 mm
Operational
Std Operation Weight - Front Axle10563 lb4791.3 kg
Std Operation Weight - Rear Axle29329 lb13303.5 kg
Hydraulic System Fluid Capacity17 gal64 L
Std Operation Weight - Total39892 lb18094.8 kg
Max Operation Weight - Front Axle15675 lb7110.1 kg
Max Operation Weight - Rear Axle33312 lb15110.1 kg
Oil System Fluid Capacity8 gal30 L
Max Operation Weight - Total48987 lb22220.2 kg
Fuel Capacity99.9 gal378 L
Cooling System Fluid Capacity13 gal49 L
Rear Diff/Final Drive Fluid Capacity16.6 gal62.5 L
Circle Gearbox Fluid Capacity1.9 gal7 L
Tandem Case Fluid Capacity (Each)15.6 gal59 L
Tire Size17.5 R2517.5 R25
Steering
Articulation Angle20 degrees20 degrees
Turning Radius24.3 ft7.5 m
Transmission
Transmission TypeDirect Drive, PowershiftDirect Drive, Powershift
Number Of Gears - Forward88
Number Of Gears - Reverse66
Max Speed - Forward28.4 mph45.7 km/h
Max Speed - Reverse22.5 mph36.1 km/h
Front Axle
Wheel Lean18 degrees18 degrees
Oscillation - Total32 degrees32 degrees
Ground Clearance1.9 ft572 mm
Moldboard
Moldboard Width12 ft3657.6 mm
Moldboard Height24 in609.6 mm
Moldboard Thickness0.9 in22.1 mm
Max Depth Of Cut28.4 in720 mm
Side Shift Left20.1 in510 mm
Side Shift Right26 in660 mm
Blade Pull At Max Weight29980.7 lb13599 kg
Blade Down Pressure27236 lb12354 kg
Hydraulic System
Pump TypeVariable PistonVariable Piston
Pump Flow55.7 gal/min210.9 L/min
Relief Valve Pressure3500 psi24131.7 kPa
Circle
Diameter60.3 in1530 mm
Rotation360 degrees360 degrees
Shift Left25.9 in656 mm
Shift Right25.9 in656 mm
Max Reach Outside Tires - Left68.6 in1742 mm
Max Reach Outside Tires - Right75 in1905 mm
Max Lift Above Ground16.9 in427 mm
Blade Tip Angle - Front40 degrees40 degrees
Blade Tip Angle - Rear5 degrees5 degrees
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Manufacturer-published specifications.