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.
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Engine
- 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
- 9,842 ft
- Engine Model
- Cat® C4.4
- Torque Rise - ISO 9294
- 21%
- 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, m
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V emission standards
Weights
- Operating Weight - Typically Equipped
- 31,958 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
- 8,708 lb
- Operating Weight - Typically Equipped - Rear Axle
- 23,250 lb
Moldboard
- Blade Width
- 12 ft
- Throat Clearance
- 4.7 in
- Arc Radius
- 16.3 in
- Cutting Edge Width
- 6 in
- End Bit - Width
- 152 in
- Blade Height
- 20 in
Blade Range
- Maximum Depth of Cut
- 30.5 in
- 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°
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.
Service Refill Capacities
- 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)
Machine Weight
- All-Wheel Drive (AWD) Weight
- 36,376 lb
Dimensions
- Length of Machine*
- 391.4 in
- Width
- 94.6 in
- Maximum Height
- 149.1 in
- Note
- *Typically equipped with push block and ripper.
Sustainability
- Recyclability
- 92%
Power Train
- Transmission
- Countershaft Torque, Converter Powershift
- Forward/Reverse Gears
- 6 Forward / 3 Reverse
Operating Specifications
- Steering Range - Left/Right
- 47.5° left or right
- Articulation Angle - Left/Right
- 20� left or right
Standard Equipment:
-
- Cab
-
- 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
-
- Powertrain
-
- Cat C4.4 Engine
- Eco mode
- On-Demand Fan
- 43� C (109� F) Ambient Capacity
- No-Spin Differential
- Engine Idle Shutdown Timer
-
- Safety
-
- Parking Brake
- Signaling/Warning Horn
- Rearview Mirror
- Hydraulic Brakes
- Side View Mirrors
- Walkways and Grab Rails
-
- Drawbar Circle Moldboard
-
- Standard
-
- Electrical
-
- Sealed Alternator
- Reversing Lights
- Breaker Panel
- 750 CCA Standard Duty Batteries
- Electric Starter
-
- Service And Maintenance
-
- Grouped Location for Engine Oil and Fuel Filters
- Extended Life Coolant
-
- Guards
-
- Transmission Guard
Optional Equipment:
-
- Cab
-
- 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
-
- Powertrain
-
- Reversing Fan
- Heavy Duty Starter
- 50� C (122� F) Ambient Capacity
- All-Wheel Drive (AWD) - available on Stage V machines only
- Transmission, Autoshift
-
- Safety
-
- Rear Vision Camera
- Warning Beacon
- Secondary Steering System
-
- Drawbar Circle Moldboard
-
- Circle Drive Slip Clutch
- Circle Saver
-
- Electrical
-
- 900 CCA Heavy Duty Batteries
- 1400 CCA Extreme Duty Batteries
-
- Service And Maintenance
-
- Reversing Fan
-
- Guards
-
- Fender Guard
- Cover, Under Cab Platform
-
- Attachments
-
- Push Block
- Ripper
- Scarifier
- Front Blade
- Towing Hitch
- Front Lift Group From Factory
Specifications
Engine
- 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
- 9,842 ft
- Engine Model
- Cat® C4.4
- Torque Rise - ISO 9294
- 21%
- 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, m
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V emission standards
Weights
- Operating Weight - Typically Equipped
- 31,958 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
- 8,708 lb
- Operating Weight - Typically Equipped - Rear Axle
- 23,250 lb
Moldboard
- Blade Width
- 12 ft
- Throat Clearance
- 4.7 in
- Arc Radius
- 16.3 in
- Cutting Edge Width
- 6 in
- End Bit - Width
- 152 in
- Blade Height
- 20 in
Blade Range
- Maximum Depth of Cut
- 30.5 in
- 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°
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.
Service Refill Capacities
- 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)
Machine Weight
- All-Wheel Drive (AWD) Weight
- 36,376 lb
Dimensions
- Length of Machine*
- 391.4 in
- Width
- 94.6 in
- Maximum Height
- 149.1 in
- Note
- *Typically equipped with push block and ripper.
Sustainability
- Recyclability
- 92%
Power Train
- Transmission
- Countershaft Torque, Converter Powershift
- Forward/Reverse Gears
- 6 Forward / 3 Reverse
Operating Specifications
- Steering Range - Left/Right
- 47.5° left or right
- Articulation Angle - Left/Right
- 20� left or right
Standard/Optional Features
Standard Equipment:
-
- Cab
-
- 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
-
- Powertrain
-
- Cat C4.4 Engine
- Eco mode
- On-Demand Fan
- 43� C (109� F) Ambient Capacity
- No-Spin Differential
- Engine Idle Shutdown Timer
-
- Safety
-
- Parking Brake
- Signaling/Warning Horn
- Rearview Mirror
- Hydraulic Brakes
- Side View Mirrors
- Walkways and Grab Rails
-
- Drawbar Circle Moldboard
-
- Standard
-
- Electrical
-
- Sealed Alternator
- Reversing Lights
- Breaker Panel
- 750 CCA Standard Duty Batteries
- Electric Starter
-
- Service And Maintenance
-
- Grouped Location for Engine Oil and Fuel Filters
- Extended Life Coolant
-
- Guards
-
- Transmission Guard
Optional Equipment:
-
- Cab
-
- 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
-
- Powertrain
-
- Reversing Fan
- Heavy Duty Starter
- 50� C (122� F) Ambient Capacity
- All-Wheel Drive (AWD) - available on Stage V machines only
- Transmission, Autoshift
-
- Safety
-
- Rear Vision Camera
- Warning Beacon
- Secondary Steering System
-
- Drawbar Circle Moldboard
-
- Circle Drive Slip Clutch
- Circle Saver
-
- Electrical
-
- 900 CCA Heavy Duty Batteries
- 1400 CCA Extreme Duty Batteries
-
- Service And Maintenance
-
- Reversing Fan
-
- Guards
-
- Fender Guard
- Cover, Under Cab Platform
-
- Attachments
-
- Push Block
- Ripper
- Scarifier
- Front Blade
- Towing Hitch
- Front Lift Group From Factory