120-motor-grader

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120

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.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.
  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • Cab
    • Vinyl Seat
    • ROPS, Standard Sound Suppression
    • Heating/Cooling Cab System
    • Base Cab
    • 254 mm (10 in) Hybrid Information Display
    • Halogen Lighting
  • Cat Connect 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

  • 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 Connect 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

Specs

Overview

Long Name:
120 - 2019 - N Am, Global
Name:
120
Brand:
Caterpillar
Status:
Current

Engine

Engine Model:
Cat 7.1

Machine Weight

Lever/Steering Wheel Weight* Tier 4:
35.067 lb / 15906 kg

Dimensions

Basic Blade Width:
12 ft / 3.7 m

Blade Range

Blade Tip Range Backward:
5
Blade Tip Range Forward:
40
Circle Center Shift Left:
26 in / 656 mm
Circle Center Shift Right:
26 in / 656 mm
Maximum Depth of Cut:
30.5 in / 775 mm
Maximum Lift Above Ground:
16.1 in / 410 mm
Maximum Shoulder Reach Left:
69.4 in / 1764 mm
Maximum Shoulder Reach Right:
76 in / 1928 mm
Moldboard Side Shift Left:
20.1 in / 512 mm
Moldboard Side Shift Right:
26.1 in / 663 mm

Dimensions

Length of Machine*:
387 in / 9838 mm
Maximum Height:
151 in / 3832 mm
Note:
*Typically equipped with push block and ripper.
Width:
102 in / 2592 mm
Width All Wheel Drive (AWD):
2551 mm / 100.4 in

Engine

All-Wheel Drive Net Power Range (Tier 3):
130 HP / NaN kW
All-Wheel Drive Net Power Range (Tier 4):
NaN kW /  
Bore:
4.1 in / 105 mm
Derating Altitude:
9842.5 ft / 3000 m
Derating Altitude (AWD):
5499 ft / 1676 m
Displacement:
427.8 in³ / 7.01 l
Emissions:
U.S. EPA Tier 4 Final/EU Stage IV - U.S. EPA Tier 3/EU Stage IIIA
Engine RPM:
2,000
Maximum Torque - AWD On:
611 lb/ft / 828 N·m
Maximum Torque - ISO 9249:
606 lb/ft / 822 N·m
Net Power Range (Tier 3):
NaN HP / NaN kW
Net Power Range (Tier 4):
NaN HP / NaN kW
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 / 50 °C
Stroke:
5.3 in / 135 mm
Torque Rise - ISO 9294:
42%

Machine Weight

Joystick All-Wheel Drive (AWD) Weight* Tier 3:
36.374 lb / 16499 kg
Joystick All-Wheel Drive (AWD) Weight* Tier 4:
36.846 lb / 16713 kg
Joystick Weight* Tier 3:
34.886 lb / 15824 kg
Joystick Weight* Tier 4:
35.358 lb / 16038 kg
Lever/Steering Wheel All-Wheel drive (AWD) Weight* Tier 3:
36.275 lb / 16454 kg
Lever/Steering Wheel All-Wheel drive (AWD) Weight* Tier 4:
36.731 lb / 16661 kg
Lever/Steering Wheel Weight* Tier 3:
34.61 lb / 15699 kg
Note (1):
*Typically equipped includes 4267 mm (14 ft) plus blade, tires, push plate, ripper, bottom guard, operator, and full fluids.

Moldboard

Arc Radius:
16.3 in / 413 mm
Blade Height:
24 in / 610 mm
Blade Width:
12 ft / 3.7 m
Cutting Edge:
6 in / 152 mm
End Bit:
6 in / 152 mm
Throat Clearance:
4.1 in / 105 mm

Service Refill Capacities

Circle Drive:
1.8 gal (US) / 7 l
Cooling System:
14 gal (US) / 52.5 l
Diesel Exhaust Fluid Tank (Tier 4 Only):
5 gal (US) / 15 l
Engine Crankcase:
4.8 gal (US) / 18 l
Fuel Tank:
65 gal (US) / 246 l
Hydraulic System:
25.6 gal (US) / 97 l
Transmission and Differential:
9 gal (US) / 34 l