120M Motor Grader
The Cat® 120M Motor Grader is designed to help you get more work done in less time. Unprecedented operator comfort and ease of service help to maximize your return on investment.
- Technical Specs
- Base Power (1st gear) - Net
- 138 hp
- Engine Model
- Cat C6.6 ACERTâ„¢
- Bore
- 4.13 in
- Stroke
- 5.0 in
- Speed @ Rated Power
- 2,000 rpm
- Base Power (1st gear) – Net (Metric)
- 140 hp
- Maximum Torque (VHP Plus-Net)
- 668 lbf-ft
- Torque Rise (VHP Plus)
- 40%
- VHP Plus Range – Net
- 103-136 kW (138-182 hp)
- VHP Plus Range – Net (Metric)
- 103-136 kW (140-185 hp)
- Standard Fan Speed – Maximum
- 1,150 rpm
- Standard Fan Speed – Minimum
- 600 rpm
- Emissions
- U.S. EPA Tier 3/EU Stage IIIA equivalent
- High Ambient Fan Speed – Maximum
- 1,650 rpm
- High Ambient Fan Speed – Minimum
- 600 rpm
- Displacement
- 403 in3
- Number of Cylinders
- 6
- Derating Altitude
- 11500 ft
- High Ambient Capability
- 122 ° F
- Note
- Maximum torque (VHP Plus) measured at 1,400 rpm.
- Note
- Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture.
- Note
- Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan running at minimum speed, air cleaner, muffler and alternator.
- Note
- Power as declared per ISO 14396: Rated Speed = 2,000 rpm; VHP Plus = 175 kW (234 hp)
- Note
- No engine derating required up to 3048 m (10,000 ft).
- Drawbar – Width
- 3.0 in
- Circle – Diameter
- 60.2 in
- Drawbar – Height
- 6.0 in
- Front Frame Structure – Height
- 11.0 in
- Front Frame Structure – Width
- 10.0 in
- Front Axle – Wheel Lean, Left/Right
- 18°
- Front Axle – Total Oscillation per Side
- 32°
- Blade Width
- 12 ft
- Arc Radius
- 16.3 in
- Throat Clearance
- 5.2 in
- Moldboard – Height
- 24.0 in
- Moldboard – Width
- 12 ft
- Maximum Depth of Cut
- 28.3 in
- Circle Centershift – Right
- 25.8 in
- Circle Centershift – Left
- 25.8 in
- Moldboard Sideshift – Right
- 26.0 in
- Moldboard Sideshift – Left
- 20.1 in
- Blade Tip Range – Forward
- 40°
- Blade Tip Range – Backward
- 5°
- Maximum Shoulder Reach Outside of Tires – Right
- 75.0 in
- Maximum Shoulder Reach Outside of Tires – Left
- 68.6 in
- Maximum Lift Above Ground
- 16.8 in
- Operating Weight - Typically Equipped
- 40565 lb
- Gross Vehicle Weight – Base: Total
- 35783 lb
- Gross Vehicle Weight – Base: Front Axle
- 9303 lb
- Gross Vehicle Weight – Base: Rear Axle
- 26479 lb
- Gross Vehicle Weight – Maximum: Total
- 48601 lb
- Gross Vehicle Weight – Maximum: Front Axle
- 15077 lb
- Gross Vehicle Weight – Maximum: Rear Axle
- 33523 lb
- Gross Vehicle Weight – Typically Equipped: Total
- 40565 lb
- Gross Vehicle Weight – Typically Equipped: Front Axle
- 11221 lb
- Gross Vehicle Weight – Typically Equipped: Rear Axle
- 29343 lb