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Motor Graders

120 - 2019 - N Am, Global

Net Power Range (Tier 4)

139 HP

Lever/Steering Wheel Weight* Tier 4

35,067 lb

Basic Blade Width

12 ft
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    SPECIFICATIONS

    The Cat 120 Motor Grader offers the options of joystick or steering wheel with lever controls with all-wheel drive (AWD) option. Save up to 15 percent in fuel consumption. Cab and comfort options help improve performance. Factory integrated technology options ensure grade for any project.

      FULL SPECIFICATIONS

      Air Conditioning System

      Note

      The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a carbon dioxide equivalent of 2.288 metric tonnes.

      Blade Range

      Maximum Depth of Cut

      30.5 in

      Moldboard Side Shift Left

      20.1 in

      Circle Center Shift Left

      26 in

      Blade Tip Range Forward

      40

      Blade Tip Range Backward

      5

      Maximum Lift Above Ground

      16.1 in

      Circle Center Shift Right

      26 in

      Maximum Shoulder Reach Right

      76 in

      Moldboard Side Shift Right

      26.1 in

      Maximum Shoulder Reach Left

      69.4 in

      Dimensions

      Basic Blade Width

      12 ft

      Length of Machine*

      387 in

      Maximum Height

      136.4 in

      Width All Wheel Drive (AWD)

      2,551 mm

      Width

      102 in

      Note

      *Typically equipped with push block and ripper.

      Engine

      Net Power Range (Tier 4)

      139 HP

      Stroke

      5.3 in

      Note (1)

      Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture."

      Number of Cylinders

      6

      Standard Capability

      122 °F

      Emissions

      U.S. EPA Tier 4 Final/EU Stage V - U.S. EPA Tier 3/EU Stage IIIA

      Maximum Torque - ISO 9249

      606 lb/ft

      All-Wheel Drive Net Power Range (Tier 3)

      130 HP

      Net Power Range (Tier 3)

      130 hp

      Note (3)

      Power as declared per ISO 14396

      Bore

      4.1 in

      Derating Altitude (AWD)

      5,499 ft

      Engine RPM

      2,000

      Maximum Torque - AWD On

      611 lb/ft

      Torque Rise - ISO 9294

      42%

      Engine Model

      Cat 7.1

      Note (2)

      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.

      Displacement

      427.8 in³

      Derating Altitude

      9,842.5 ft

      All-Wheel Drive Net Power Range (Tier 4)

      174 kW

      Machine Weight

      Lever/Steering Wheel Weight* Tier 4

      35,067 lb

      Joystick Weight* Tier 4

      35,358 lb

      Note (1)

      *Typically equipped includes 4267 mm (14 ft) plus blade, tires, push plate, ripper, bottom guard, operator, and full fluids.

      Joystick All-Wheel Drive (AWD) Weight* Tier 4

      36,846 lb

      Lever/Steering Wheel All-Wheel drive (AWD) Weight* Tier 4

      36,731 lb

      Moldboard

      Blade Height

      24 in

      Blade Width

      12 ft

      Arc Radius

      16.3 in

      Throat Clearance

      4.1 in

      End Bit

      6 in

      Cutting Edge

      6 in

      Service Refill Capacities

      Diesel Exhaust Fluid Tank (Tier 4 Only)

      5 gal (US)

      Engine Crankcase

      4.8 gal (US)

      Transmission and Differential

      9 gal (US)

      Circle Drive

      1.8 gal (US)

      Fuel Tank

      65 gal (US)

      Hydraulic System

      25.6 gal (US)

      Cooling System

      14 gal (US)

      Weights

      Operating Weight - Typically Equipped

      35,067 lb
      STANDARD EQUIPMENT

      • NOTE
        • Standard and optional equipment may vary. Consult your Cat dealer for details.
      • Cab
        • Vinyl Seat
        • ROPS, Standard Sound Suppression
        • Heating/Cooling Cab System
        • Base Cab
        • 254 mm (10 in) Hybrid Information Display
        • Halogen Lighting
      • Cat Technology
        • Product Link
      • Engine
        • Cat C7.1
        • ECO Mode
        • Hydraulic Demand Fan
      • Drawbar Circle Moldboard
        • Standard
        • Circle Drive Slip Clutch
      • Safety
        • Parking brake
        • Signaling/warning horn
        • Rearview mirror
        • Hydraulic brakes
        • Secondary steering system
        • Side view mirrors
        • Walkways and Grab Rails

      OPTIONAL EQUIPMENT

      • NOTE
        • Standard and optional equipment may vary. Consult your Cat dealer for details.
      • Cab
        • Cloth or Leather Seat
        • Steering Wheel/Lever Controls
        • Joystick Controls
        • Rear Wiper
        • Comfort Plus
        • Premium Plus
        • Seatbelt Indicator
        • Heated/Cooled Seat
        • Bluetooth/Auxiliary Radio
        • LED Lighting
        • Rear Window Screen
      • Cat Technology
        • Cat Grade with Digital Blade Slope Meter
        • Cat Grade with Cross Slope Indicate
        • Cat Grade with Cross Slope
        • Cat Grade Attachment Ready Option (ARO)
        • Stable Blade
        • Remote Services
      • Engine
        • All-Wheel Drive (AWD)
      • Drawbar Circle Moldboard
        • Top Adjust
        • Circle Saver
      • Safety
        • Rearview camera
      • Versatility
        • Counterweight
        • Push Block
        • Ripper
        • Scarifier
        • Front Lift Group
        • Front Blade
        • Front Blade

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