The CAT 120 GC Motor Grader is a versatile and reliable machine designed for grading and leveling tasks on construction sites, roads, and other infrastructure projects. Featuring a powerful engine, it delivers consistent performance and efficient operation, ensuring precise grading results. The CAT 120 GC is equipped with a robust blade and moldboard system, allowing for smooth and accurate grading of surfaces to the desired slope and grade. Its ergonomic operator cabin provides comfort and visibility, enabling operators to work efficiently and safely during long shifts. With intuitive controls and advanced technology, the CAT 120 GC offers precise control over grading operations, enhancing productivity and accuracy. Built with CAT’s renowned durability and reliability, it ensures longevity and minimal downtime, even in demanding conditions. Whether it’s road construction, maintenance, or site preparation, the CAT 120 GC Motor Grader is a trusted solution for achieving superior grading results with efficiency and precision.

Benefits of the Cat 120 Motor Grader:

  • Enhanced Operator Comfort: Experience increased productivity and comfort with an adjustable seat and the option for a ventilation system, ensuring operators can work efficiently for extended periods.
  • Cost-Effective Operation: Keep operational costs low with extended maintenance cycles and the option for a reversing fan, while also saving on fuel consumption with the Eco mode feature, contributing to overall cost savings.
  • Reliable Performance: Achieve precise blade movement and consistent power output with the C4.4 engine, ensuring tasks are completed on time and within budget, enhancing overall project efficiency and success.

Product Features for CAT 120 GC Motor Graders: 

  • Robust Engine: Powered by a reliable and fuel-efficient engine, providing ample power for grading tasks while maintaining low fuel consumption for cost-effective operation.
  • Simple Controls: Equipped with user-friendly controls and intuitive interface, allowing operators to easily navigate and operate the motor grader with minimal training.
  • Basic Grade Control: Offers basic grade control functionality to assist operators in achieving precise grading and slope control, enhancing productivity and efficiency on the job site.
  • Durable Construction: Built with a sturdy frame and durable components to withstand rugged working conditions, ensuring long-lasting performance and reliability in various applications.
  • Comfortable Operator Environment: Features a comfortable operator cab with ergonomic seating, climate control, and excellent visibility, promoting operator comfort and productivity during extended work periods.
  • Easy Maintenance: Designed for simplified maintenance with easy access to service points and components, reducing downtime and minimizing maintenance costs over the machine’s lifespan.
  • Safety Features: Incorporates safety features such as ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) to protect the operator in the event of accidents or rollovers.
  • Environmental Compliance: Complies with environmental regulations and emission standards, incorporating technologies to minimize emissions and reduce environmental impact during operation.
  • Reliability and Affordability: Built by Caterpillar, a trusted name in construction equipment, the CAT 120 GC Motor Grader offers reliable performance at an affordable price point, making it an ideal choice for budget-conscious customers.

Product Specifications for CAT 120 GC Motor Graders: 


  • Net Power – ISO 9249/SAE J1349: 171 HP
  • Maximum Torque: 544 lb/ft
  • Displacement: 268.5 in³
  • Engine Power AWD (ISO 14396): 128 kW
  • Emissions: Meets U.S. EPA Tier 4 Final, EU Stage V, and Korea Tier 5 emission standards
  • Stroke: 5 in
  • Bore: 4.1 in
  • Engine Model: Cat® C4.4
  • Torque Rise – ISO 9294: 21%


  • Operating Weight – Typically Equipped: 14,496 lb
  • All-Wheel Drive (AWD) Weight: 36,376 lb


  • Blade Width: 12 ft
  • Cutting Edge Width: 6 in
  • Throat Clearance: 4.7 in
  • Arc Radius: 16.3 in
  • End Bit – Width: 152 in
  • Blade Height: 20 in


  • Length of Machine*: 391.4 in
  • Maximum Height: 149.1 in
  • Width: 94.6 in

Blade Range:

  • Blade Tip Range – Backward: 5°
  • Moldboard Sideshift – Right: 26.1 in
  • Moldboard Sideshift – Left: 20.2 in
  • Maximum Lift Above Ground: 16.1 in
  • Circle Centershift – Left: 25.8 in
  • Blade Tip Range – Forward: 40°
  • Circle Centershift – Right: 25.8 in
  • Maximum Depth of Cut: 30.5 in

Service Refill Capacities:

  • Cooling System: 10.3 gal (US)
  • Circle Drive without Slip Clutch: 0.4 gal (US)
  • Hydraulic System: 14.5 gal (US)
  • Circle Drive with Slip Clutch: 1.8 gal (US)
  • Transmission: 4.5 gal (US)
  • Diesel Exhaust Fluid Tank (Tier 4 Only): 3.2 gal (US)
  • Fuel Tank: 71 gal (US)
  • Engine Crankcase: 2 gal (US)


  • Recyclability: 92%

Further information on this machine can be viewed by visiting this link

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