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Motor Graders

120 GC Motor Grader

Net Power - ISO 9249/SAE J1349

171 hp

Operating Weight - Typically Equipped

31,958 lb

Blade Width

12 ft
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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 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

      Maximum Depth of Cut

      30.5 in

      Circle Centershift - Right

      25.8 in

      Moldboard Sideshift - Right

      26.1 in

      Maximum Lift Above Ground

      16.1 in

      Blade Tip Range - Forward

      40°

      Moldboard Sideshift - Left

      20.2 in

      Blade Tip Range - Backward

      5°

      Circle Centershift - Left

      25.8 in

      Dimensions

      Length of Machine*

      391.4 in

      Width

      94.6 in

      Maximum Height

      149.1 in

      Note

      *Typically equipped with push block and ripper.

      Engine

      Net Power - ISO 9249/SAE J1349

      171 hp

      Engine Power AWD (ISO 14396)

      128 kW

      Bore

      4.1 in

      Emissions

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

      Torque Rise - ISO 9294

      21%

      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.

      Engine Model

      Cat® C4.4

      Derating Altitude

      9,842 ft

      Maximum Torque

      544 lb/ft

      Stroke

      5 in

      Displacement

      268.5 in³

      Machine Weight

      All-Wheel Drive (AWD) Weight

      36,376 lb

      Moldboard

      Blade Width

      12 ft

      Throat Clearance

      4.7 in

      Arc Radius

      16.3 in

      Blade Height

      20 in

      Cutting Edge Width

      6 in

      End Bit - Width

      152 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

      Hydraulic System

      11.9 gal (US)

      Diesel Exhaust Fluid Tank (Tier 4 Only)

      3.2 gal (US)

      Transmission

      4 gal (US)

      Circle Drive with Slip Clutch

      1.8 gal (US)

      Engine Crankcase

      2 gal (US)

      Fuel Tank

      71 gal (US)

      Circle Drive without Slip Clutch

      0.4 gal (US)

      Cooling System

      10.3 gal (US)

      Sustainability

      Recyclability

      92%

      Weights

      Operating Weight - Typically Equipped

      31,958 lb

      Operating Weight - Typically Equipped - Rear Axle

      23,250 lb

      Operating Weight - Typically Equipped - Front Axle

      8,708 lb

      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.
      STANDARD EQUIPMENT

      • 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

      OPTIONAL EQUIPMENT

      • 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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