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Motor Graders

120 GC

Weight*

35,494 lb

Blade Width

12 ft

Transmission

4.5 gal (US)
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    SPECIFICATIONS

    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.

      FULL SPECIFICATIONS

      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

      Circle Centershift - Left

      25.8 in

      Circle Centershift - Right

      25.8 in

      Moldboard Sideshift - Left

      20.2 in

      Blade Tip Range - Backward

      5°

      Moldboard Sideshift - Right

      26.1 in

      Maximum Lift Above Ground

      16.1 in

      Blade Tip Range - Forward

      40°

      Maximum Depth of Cut

      30.5 in

      Dimensions

      Length of Machine*

      391.4 in

      Maximum Height

      149.1 in

      Width

      94.6 in

      Note

      *Typically equipped with push block and ripper.

      Engine

      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.

      Torque Rise - ISO 9294

      21%

      Bore

      4.1 in

      Engine Model

      Cat® C4.4

      Derating Altitude

      9,842 ft

      Stroke

      5 in

      Emissions

      Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards

      Displacement

      268.5 in³

      Engine Power AWD (ISO 14396)

      128 kW

      Maximum Torque

      544 lb/ft

      Net Power - ISO 9249/SAE J1349

      171 hp

      Machine Weight

      Weight*

      35,494 lb

      All-Wheel Drive (AWD) Weight

      36,376 lb

      Moldboard

      Blade Width

      12 ft

      End Bit - Width

      152 in

      Blade Height

      20 in

      Cutting Edge Width

      6 in

      Throat Clearance

      4.7 in

      Arc Radius

      16.3 in

      Service Refill Capacities

      Transmission

      4.5 gal (US)

      Cooling System

      10.3 gal (US)

      Hydraulic System

      14.5 gal (US)

      Fuel Tank

      71 gal (US)

      Circle Drive without Slip Clutch

      0.4 gal (US)

      Circle Drive with Slip Clutch

      1.8 gal (US)

      Diesel Exhaust Fluid Tank (Tier 4 Only)

      3.2 gal (US)

      Engine Crankcase

      2 gal (US)

      Sustainability

      Recyclability

      92%

      Weights

      Operating Weight - Typically Equipped

      31,958 lb
      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

      Related Attachments

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