Exterior View
Interior View
Net Power – ISO 9249/SAE J1349

171 hp

Operating Weight – Typically Equipped

31958 lb

Blade Width

12 ft

120 GC Motor Grader

ABOUT THE 120 gc

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 all new cab.

Add the 120 GC Model to the Cart
Net Power – ISO 9249/SAE J1349
171hp
Maximum Torque
544lb/ft
Displacement
268.5in³
Engine Power AWD (ISO 14396)
128kW
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,
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards
Stroke
5in
Derating Altitude
9842ft
Bore
4.1in
Engine Model
Cat® C4.4
Torque Rise – ISO 9294
21%
Operating Weight – Typically Equipped
31958lb
Blade Width
12ft
Cutting Edge Width
6in
Throat Clearance
4.7in
Arc Radius
16.3in
End Bit – Width
152in
Blade Height
20in
All-Wheel Drive (AWD) Weight
36376lb
Length of Machine*
391.4in
Maximum Height
149.1in
Width
94.6in
Note
*Typically equipped with push block and ripper.
Blade Tip Range – Backward
Moldboard Sideshift – Right
26.1in
Moldboard Sideshift – Left
20.2in
Maximum Lift Above Ground
16.1in
Circle Centershift – Left
25.8in
Blade Tip Range – Forward
40°
Circle Centershift – Right
25.8in
Maximum Depth of Cut
30.5in
Cooling System
10.3gal (US)
Circle Drive without Slip Clutch
0.4gal (US)
Hydraulic System
14.5gal (US)
Circle Drive with Slip Clutch
1.8gal (US)
Transmission
4.5gal (US)
Diesel Exhaust Fluid Tank (Tier 4 Only)
3.2gal (US)
Fuel Tank
71gal (US)
Engine Crankcase
2gal (US)
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.
Recyclability
92%
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Standard Seat
    • Steering Wheel/Lever Controls
    • Information Display Screen
    • Product Link
  • Engine
    • Cat C4.4
    • ECO mode
    • On-Demand fan
  • Drawbar Circle Moldboard
    • Standard
  • Safety
    • Parking brake
    • Signaling/warning horn
    • Rearview mirror
    • Hydraulic brakes
    • Side view mirrors
    • Walkways and Grab Rails
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Mechanical Suspension Seat
    • Air Suspension Seat
    • ROPS/FOPS
    • Heating/Cooling Cab System
    • Rear Wiper
    • Base Cab
    • Canopy
    • Cab Plus
    • Low profile cab
    • Halogen Lighting
    • Entertainment Radio Ready
    • Rear Window Screen
    • Front Wipers
    • Digital Blade Slope Meter
  • Engine
    • Reversing fan
    • All-Wheel Drive (AWD)
  • Drawbar Circle Moldboard
    • Circle Drive Slip Clutch
    • Circle Saver
  • Safety
    • Rearview camera
    • Secondary steering system
  • Attachments
    • Push block
    • Ripper
    • Scarifier
    • Front Blade
    • Tow hitch

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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Terms and Conditions

Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

The Great Payback: Terms and Conditions

*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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Financing provided by Caterpillar Financial.
*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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