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 | 171 hp |
| Operating Weight – Typically Equipped | 31958 lb |
| Blade Width | 12 ft |
| Net Power – ISO 9249/SAE J1349 | 171 hp |
| Bore | 4.1 in |
| Stroke | 5 in |
| Displacement | 268.5 in³ |
| Engine Power AWD (ISO 14396) | 128 kW |
| Maximum Torque | 544 lb/ft |
| Derating Altitude | 9842 ft |
| 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 | 31958 lb |
| 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 | 8708 lb |
| Operating Weight – Typically Equipped – Rear Axle | 23250 lb |
| Blade Width | 12 ft |
| Cutting Edge Width | 6 in |
| End Bit – Width | 152 in |
| Arc Radius | 16.3 in |
| Blade Height | 20 in |
| Throat Clearance | 4.7 in |
| All-Wheel Drive (AWD) Weight | 36376 lb |
| Length of Machine* | 391.4 in |
| Width | 94.6 in |
| Maximum Height | 149.1 in |
| Note | *Typically equipped with push block and ripper. |
| Moldboard Sideshift – Right | 26.1 in |
| Circle Centershift – Left | 25.8 in |
| Blade Tip Range – Forward | 40° |
| Circle Centershift – Right | 25.8 in |
| Moldboard Sideshift – Left | 20.2 in |
| Maximum Lift Above Ground | 16.1 in |
| Blade Tip Range – Backward | 5° |
| Maximum Depth of Cut | 30.5 in |
| Engine Crankcase | 2 gal (US) |
| Hydraulic System | 11.9 gal (US) |
| Fuel Tank | 71 gal (US) |
| Diesel Exhaust Fluid Tank (Tier 4 Only) | 3.2 gal (US) |
| Circle Drive without Slip Clutch | 0.4 gal (US) |
| Transmission | 4 gal (US) |
| Cooling System | 10.3 gal (US) |
| Circle Drive with Slip Clutch | 1.8 gal (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 |
| Standard Vinyl Seat |
| Adjustable Steering Wheel/Lever Controls |
| Seat Belt |
| Electric Throttle Control |
| ROPS/FOPS |
| Cab Storage |
| Halogen Lighting |
| Cup Holder |
| Dome Interior Light |
| Coat Hook |
| Product Link |
| Cat C4.4 Engine |
| Eco mode |
| On-Demand Fan |
| 43° C (109° F) Ambient Capacity |
| No-Spin Differential |
| Engine Idle Shutdown Timer |
| Parking Brake |
| Signaling/Warning Horn |
| Rearview Mirror |
| Hydraulic Brakes |
| Side View Mirrors |
| Walkways and Grab Rails |
| Standard |
| Sealed Alternator |
| Reversing Lights |
| Breaker Panel |
| 750 CCA Standard Duty Batteries |
| Electric Starter |
| Grouped Location for Engine Oil and Fuel Filters |
| Extended Life Coolant |
| Transmission Guard |
| Mechanical Suspension Seat |
| Air Suspension Seat |
| Heating/Cooling Cab System |
| Defrost Fans |
| Rear Wiper |
| Base Cab |
| Canopy |
| Cab Plus |
| Entertainment Radio Ready |
| Rear Window Screen |
| Front Wipers |
| Digital Blade Slope Meter |
| Reversing Fan |
| Heavy Duty Starter |
| 50� C (122� F) Ambient Capacity |
| All-Wheel Drive (AWD) – available on Stage V machines only |
| Transmission, Autoshift |
| Rear Vision Camera |
| Warning Beacon |
| Secondary Steering System |
| Circle Drive Slip Clutch |
| Circle Saver |
| 900 CCA Heavy Duty Batteries |
| 1400 CCA Extreme Duty Batteries |
| Reversing Fan |
| Fender Guard |
| Cover, Under Cab Platform |
| Push Block |
| Ripper |
| Scarifier |
| Front Blade |
| Towing Hitch |
| Front Lift Group From Factory |
