120 – 2019 – N Am, Global

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The Next Generation Cat® 120 motor grader offers the options of joystick or steering wheel and lever controls with the all-wheel drive option. Save up to 15 percent in fuel consumption. Cab and comfort options help improve performance. Factory integrated technology, such as Cat Grade with Cross Slope and Stable Blade options ensure grade for any project.

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All-Wheel Drive Net Power Range (Tier 3) 130HP
Bore 4.1in
Derating Altitude 9842.5ft
Derating Altitude (AWD) 5499ft
Displacement 427.8in³
Emissions U.S. EPA Tier 4 Final/EU Stage V - U.S. EPA Tier 3/EU Stage IIIA
Engine Model Cat 7.1
Engine RPM 2,000
Maximum Torque - AWD On 611lb/ft
Maximum Torque - ISO 9249 606lb/ft
Net Power Range (Tier 3) 130HP
Net Power Range (Tier 4) 139HP
Note (1) Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture."
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.
Note (3) Power as declared per ISO 14396
Number of Cylinders 6
Standard Capability 122°F
Stroke 5.3in
Torque Rise - ISO 9294 42%
Joystick All-Wheel Drive (AWD) Weight* Tier 4 36846lb
Joystick Weight* Tier 4 35358lb
Lever/Steering Wheel All-Wheel drive (AWD) Weight* Tier 4 36731lb
Lever/Steering Wheel Weight* Tier 4 35067lb
Note (1) *Typically equipped includes 4267 mm (14 ft) plus blade, tires, push plate, ripper, bottom guard, operator, and full fluids.
Basic Blade Width 12ft
Length of Machine* 387in
Maximum Height 136.4in
Note *Typically equipped with push block and ripper.
Width 102in
Width All Wheel Drive (AWD) 2551mm
Blade Tip Range Backward 5
Blade Tip Range Forward 40
Circle Center Shift Left 26in
Circle Center Shift Right 26in
Maximum Depth of Cut 30.5in
Maximum Lift Above Ground 16.1in
Maximum Shoulder Reach Left 69.4in
Maximum Shoulder Reach Right 76in
Moldboard Side Shift Left 20.1in
Moldboard Side Shift Right 26.1in
Circle Drive 1.8gal (US)
Cooling System 14gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Only) 5gal (US)
Engine Crankcase 4.8gal (US)
Fuel Tank 65gal (US)
Hydraulic System 25.6gal (US)
Transmission and Differential 9gal (US)
Arc Radius 16.3in
Blade Height 24in
Blade Width 12ft
Cutting Edge 6in
End Bit 6in
Throat Clearance 4.1in
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.

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