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 all new cab.
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Engine
- Net Power - ISO 9249/SAE J1349
- 171 hp
- Torque Rise - ISO 9294
- 21%
- Displacement
- 268.5 in³
- Engine Power AWD (ISO 14396)
- 128 kW
- Note (1)
- Net power is tested per ISO 9,249, SAE J1,349, and EEC 80/1,269 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,
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards
- Stroke
- 5 in
- Derating Altitude
- 9,842 ft
- Bore
- 4.1 in
- Engine Model
- Cat® C4.4
- Maximum Torque
- 544 lb/ft
Weights
- Operating Weight - Typically Equipped
- 31,958 lb
Moldboard
- Blade Width
- 12 ft
- Blade Height
- 20 in
- Cutting Edge Width
- 6 in
- Throat Clearance
- 4.7 in
- Arc Radius
- 16.3 in
- End Bit - Width
- 152 in
Service Refill Capacities
- Circle Drive without Slip Clutch
- 0.4 gal (US)
- Cooling System
- 10.3 gal (US)
- Hydraulic System
- 14.5 gal (US)
- Circle Drive with Slip Clutch
- 1.8 gal (US)
- Transmission
- 4.5 gal (US)
- Diesel Exhaust Fluid Tank (Tier 4 Only)
- 3.2 gal (US)
- Fuel Tank
- 71 gal (US)
- Engine Crankcase
- 2 gal (US)
Blade Range
- Blade Tip Range - Backward
- 5°
- Moldboard Sideshift - Right
- 26.1 in
- Moldboard Sideshift - Left
- 20.2 in
- Maximum Lift Above Ground
- 16.1 in
- Circle Centershift - Left
- 25.8 in
- Blade Tip Range - Forward
- 40°
- Circle Centershift - Right
- 25.8 in
- Maximum Depth of Cut
- 30.5 in
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1,234yf. See the label or instruction manual for identification of the gas.
Machine Weight
- All-Wheel Drive (AWD) Weight
- 36,376 lb
Dimensions
- Length of Machine*
- 391.4 in
- Maximum Height
- 149.1 in
- Width
- 94.6 in
- Note
- *Typically equipped with push block and ripper.
Sustainability
- Recyclability
- 92%
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Cab
-
- Standard Seat
- Steering Wheel/Lever Controls
- Information Display Screen
- Product Link
-
- Engine
-
- Cat C4.4
- ECO mode
- On-Demand fan
-
- Drawbar Circle Moldboard
-
- Standard
-
- Safety
-
- Parking brake
- Signaling/warning horn
- Rearview mirror
- Hydraulic brakes
- Side view mirrors
- Walkways and Grab Rails
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Cab
-
- Mechanical Suspension Seat
- Air Suspension Seat
- ROPS/FOPS
- Heating/Cooling Cab System
- Rear Wiper
- Base Cab
- Canopy
- Cab Plus
- Low profile cab
- Halogen Lighting
- Entertainment Radio Ready
- Rear Window Screen
- Front Wipers
- Digital Blade Slope Meter
-
- Engine
-
- Reversing fan
- All-Wheel Drive (AWD)
-
- Drawbar Circle Moldboard
-
- Circle Drive Slip Clutch
- Circle Saver
-
- Safety
-
- Rearview camera
- Secondary steering system
-
- Attachments
-
- Push block
- Ripper
- Scarifier
- Front Blade
- Tow hitch
Specifications
Engine
- Net Power - ISO 9249/SAE J1349
- 171 hp
- Torque Rise - ISO 9294
- 21%
- Displacement
- 268.5 in³
- Engine Power AWD (ISO 14396)
- 128 kW
- Note (1)
- Net power is tested per ISO 9,249, SAE J1,349, and EEC 80/1,269 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,
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards
- Stroke
- 5 in
- Derating Altitude
- 9,842 ft
- Bore
- 4.1 in
- Engine Model
- Cat® C4.4
- Maximum Torque
- 544 lb/ft
Weights
- Operating Weight - Typically Equipped
- 31,958 lb
Moldboard
- Blade Width
- 12 ft
- Blade Height
- 20 in
- Cutting Edge Width
- 6 in
- Throat Clearance
- 4.7 in
- Arc Radius
- 16.3 in
- End Bit - Width
- 152 in
Service Refill Capacities
- Circle Drive without Slip Clutch
- 0.4 gal (US)
- Cooling System
- 10.3 gal (US)
- Hydraulic System
- 14.5 gal (US)
- Circle Drive with Slip Clutch
- 1.8 gal (US)
- Transmission
- 4.5 gal (US)
- Diesel Exhaust Fluid Tank (Tier 4 Only)
- 3.2 gal (US)
- Fuel Tank
- 71 gal (US)
- Engine Crankcase
- 2 gal (US)
Blade Range
- Blade Tip Range - Backward
- 5°
- Moldboard Sideshift - Right
- 26.1 in
- Moldboard Sideshift - Left
- 20.2 in
- Maximum Lift Above Ground
- 16.1 in
- Circle Centershift - Left
- 25.8 in
- Blade Tip Range - Forward
- 40°
- Circle Centershift - Right
- 25.8 in
- Maximum Depth of Cut
- 30.5 in
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1,234yf. See the label or instruction manual for identification of the gas.
Machine Weight
- All-Wheel Drive (AWD) Weight
- 36,376 lb
Dimensions
- Length of Machine*
- 391.4 in
- Maximum Height
- 149.1 in
- Width
- 94.6 in
- Note
- *Typically equipped with push block and ripper.
Sustainability
- Recyclability
- 92%
Standard/Optional Features
Standard Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Cab
-
- Standard Seat
- Steering Wheel/Lever Controls
- Information Display Screen
- Product Link
-
- Engine
-
- Cat C4.4
- ECO mode
- On-Demand fan
-
- Drawbar Circle Moldboard
-
- Standard
-
- Safety
-
- Parking brake
- Signaling/warning horn
- Rearview mirror
- Hydraulic brakes
- Side view mirrors
- Walkways and Grab Rails
Optional Equipment:
-
- Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
-
- Cab
-
- Mechanical Suspension Seat
- Air Suspension Seat
- ROPS/FOPS
- Heating/Cooling Cab System
- Rear Wiper
- Base Cab
- Canopy
- Cab Plus
- Low profile cab
- Halogen Lighting
- Entertainment Radio Ready
- Rear Window Screen
- Front Wipers
- Digital Blade Slope Meter
-
- Engine
-
- Reversing fan
- All-Wheel Drive (AWD)
-
- Drawbar Circle Moldboard
-
- Circle Drive Slip Clutch
- Circle Saver
-
- Safety
-
- Rearview camera
- Secondary steering system
-
- Attachments
-
- Push block
- Ripper
- Scarifier
- Front Blade
- Tow hitch