New CAT Equipment

120 GC Motor Grader

Reliable and Comfortable at Lower Cost

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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Benefits

Operate in Comfort

Boost productivity and comfort with adjustable seat and a ventilation system option.

Low Cost-Per-Hour Operation

Keep costs down with extended maintenance cycles and reversing fan option while saving on fuel with Eco mode.

Reliable Performance

Precise blade movement and power with the C4.4 engine helps to get the job finished on-time and budget.

Learn more about the 120 GC Motor Grader

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  • Air Conditioning System
    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.
  • Blade Range
    Blade Tip Range - Backward
    5°
    Blade Tip Range - Forward
    40°
    Circle Centershift - Left
    25.8 in
    Circle Centershift - Right
    25.8 in
    Maximum Depth of Cut
    30.5 in
    Maximum Lift Above Ground
    16.1 in
    Moldboard Sideshift - Left
    20.2 in
    Moldboard Sideshift - Right
    26.1 in
  • Dimensions
    Length of Machine*
    391.4 in
    Maximum Height
    149.1 in
    Note
    *Typically equipped with push block and ripper.
    Width
    94.6 in
  • Engine
    Bore
    4.1 in
    Derating Altitude
    9842 ft
    Displacement
    268.5 in³
    Emissions
    Meets U.S. EPA Tier 4 Final, EU Stage V emission standards
    Engine Model
    Cat® C4.4
    Engine Power AWD (ISO 14396)
    128 kW
    Maximum Torque
    544 lb/ft
    Net Power - ISO 9249/SAE J1349
    171 hp
    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, muffler, and alternator. Power as declared per ISO 14396.
    Stroke
    5 in
    Torque Rise - ISO 9294
    21%
  • Machine Weight
    All-Wheel Drive (AWD) Weight
    36376 lb
  • Moldboard
    Arc Radius
    16.3 in
    Blade Height
    20 in
    Blade Width
    12 ft
    Cutting Edge Width
    6 in
    End Bit - Width
    152 in
    Throat Clearance
    4.7 in
  • Operating Specifications
    Articulation Angle - Left/Right
    20� left or right
    Steering Range - Left/Right
    47.5° left or right
  • Power Train
    Forward/Reverse Gears
    6 Forward / 3 Reverse
    Transmission
    Countershaft Torque, Converter Powershift
  • Service Refill Capacities
    Circle Drive with Slip Clutch
    1.8 gal (US)
    Circle Drive without Slip Clutch
    0.4 gal (US)
    Cooling System
    10.3 gal (US)
    Diesel Exhaust Fluid Tank (Tier 4 Only)
    3.2 gal (US)
    Engine Crankcase
    2 gal (US)
    Fuel Tank
    71 gal (US)
    Hydraulic System
    11.9 gal (US)
    Transmission
    4 gal (US)
  • Sustainability
    Recyclability
    92%
  • Weights
    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
    31958 lb
    Operating Weight - Typically Equipped - Front Axle
    8708 lb
    Operating Weight - Typically Equipped - Rear Axle
    23250 lb
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
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

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