The Cat® 120 GC motor grader is easy to own and operate. A demand fan and standard Eco mode reduces fuel consumption while open access to maintenance points makes service quick and simple. Control the blade with consistent precision using lever controls from the comfort of the cab.
| Net Power - ISO 9249/SAE J1349 | 171hp |
| Bore | 4.1in |
| Stroke | 5in |
| Displacement | 268.5in³ |
| Engine Power AWD (ISO 14396) | 128kW |
| Maximum Torque | 544lb/ft |
| Derating Altitude | 9842ft |
| Engine Model | Cat® C4.4 |
| Torque Rise - ISO 9294 | 21% |
| Note (1) | Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 standards in effect at the time of manufacture. Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan, air cleaner, m |
| Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V emission standards |
| Operating Weight - Typically Equipped | 31958lb |
| Note | * Typically equipped machine weight is calculated with full fluids, ROPS HVAC CAB, 12' basic blade, push plate, ripper, 14-24 tires on multi-piece rims and operator. |
| Operating Weight - Typically Equipped - Front Axle | 8708lb |
| Operating Weight - Typically Equipped - Rear Axle | 23250lb |
| Blade Width | 12ft |
| Cutting Edge Width | 6in |
| End Bit - Width | 152in |
| Arc Radius | 16.3in |
| Blade Height | 20in |
| Throat Clearance | 4.7in |
| All-Wheel Drive (AWD) Weight | 36376lb |
| Length of Machine* | 391.4in |
| Width | 94.6in |
| Maximum Height | 149.1in |
| Note | *Typically equipped with push block and ripper. |
| Moldboard Sideshift - Right | 26.1in |
| Circle Centershift - Left | 25.8in |
| Blade Tip Range - Forward | 40° |
| Circle Centershift - Right | 25.8in |
| Moldboard Sideshift - Left | 20.2in |
| Maximum Lift Above Ground | 16.1in |
| Blade Tip Range - Backward | 5° |
| Maximum Depth of Cut | 30.5in |
| Engine Crankcase | 2gal (US) |
| Hydraulic System | 11.9gal (US) |
| Fuel Tank | 71gal (US) |
| Diesel Exhaust Fluid Tank (Tier 4 Only) | 3.2gal (US) |
| Circle Drive without Slip Clutch | 0.4gal (US) |
| Transmission | 4gal (US) |
| Cooling System | 10.3gal (US) |
| Circle Drive with Slip Clutch | 1.8gal (US) |
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. |
| Recyclability | 92% |
| Transmission | Countershaft Torque, Converter Powershift |
| Forward/Reverse Gears | 6 Forward / 3 Reverse |
| Steering Range - Left/Right | 47.5° left or right |
| Articulation Angle - Left/Right | 20� left or right |
| Cab |
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| Powertrain |
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| Safety |
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| Drawbar Circle Moldboard |
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| Electrical |
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| Service And Maintenance |
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| Guards |
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| Cab |
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| Powertrain |
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| Safety |
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| Drawbar Circle Moldboard |
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| Electrical |
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| Service And Maintenance |
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| Guards |
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| Attachments |
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