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.
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Specification Summary
- Base Power (1st gear) – Net103 kW
- Engine ModelCat C6.6 ACERT™
- Bore105 mm
- Stroke127 mm
- Speed @ Rated Power2,000 rpm
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Product Brochure
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Product Details
Engine
| Base Power (1st gear) – Net | 103 kW |
| Engine Model | Cat C6.6 ACERT™ |
| Bore | 105 mm |
| Stroke | 127 mm |
| Speed @ Rated Power | 2,000 rpm |
| Base Power (1st gear) – Net (Metric) | 103 kW |
| Maximum Torque (VHP Plus – Net) | 906 N·m |
| 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) |
| Displacement | 6.6 L |
| Number of Cylinders | 6 |
| Derating Altitude | 3505 m |
| Standard – Fan Speed – Maximum | 1,150 rpm |
| Standard – Fan Speed – Minimum | 600 rpm |
| Standard – Ambient Capability | U.S. EPA Tier 3/EU Stage IIIA equivalent |
| High Ambient – Fan Speed – Maximum | 1,650 rpm |
| High Ambient – Fan Speed – Minimum | 600 rpm |
| High Ambient Capability | 50 ° C |
Weights
| Operating Weight – Typically Equipped | 18400 kg |
| Gross Vehicle Weight – Maximum – Front Axle | 16231 kg |
| Gross Vehicle Weight – Maximum – Rear Axle | 4220 kg |
| Gross Vehicle Weight – Base – Front Axle | 12011 kg |
| Gross Vehicle Weight – Base – Rear Axle | 22045 kg |
| Gross Vehicle Weight – Maximum – Total | 6839 kg |
| Gross Vehicle Weight – Base – Total | 15206 kg |
| Gross Vehicle Weight – Typically Equipped – Front Axle | 18400 kg |
| Gross Vehicle Weight – Typically Equipped – Rear Axle | 5090 kg |
| Gross Vehicle Weight – Typically Equipped – Total | 13310 kg |
Moldboard
| Blade Width | 3.7 m |
| Moldboard – Height | 610 mm |
| Arc Radius | 413 mm |
| Throat Clearance | 134 mm |
| Moldboard – Width | 3.7 m |
Frame
| Drawbar – Width | 76.2 mm |
| Circle – Diameter | 1530 mm |
| Drawbar – Height | 152 mm |
| Front Frame Structure – Height | 280 mm |
| Front Frame Structure – Width | 255 mm |
| Front Axle – Wheel Lean, Left/Right | 18° |
| Front Axle – Total Oscillation per Side | 32° |
Blade Range
| Circle Centershift – Right | 656 mm |
| Circle Centershift – Left | 656 mm |
| Moldboard Sideshift – Right | 660 mm |
| Moldboard Sideshift – Left | 510 mm |
| Blade Tip Range – Forward | 40° |
| Blade Tip Range – Backward | 5° |
| Maximum Shoulder Reach Outside of Tires – Right | 1905 mm |
| Maximum Shoulder Reach Outside of Tires – Left | 1742 mm |
| Maximum Lift above Ground | 427 mm |
| Maximum Depth of Cut | 720 mm |
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