120 GC Motor Grader

Motor Graders 120 GC

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Key Specs

Net Power - ISO 9249/SAE J1349
171 hp
128 kW
Operating Weight - Typically Equipped
31424 lb
14254 kg
Blade Width
12 ft
3.7 m

Overview

Reliable and Comfortable at Lower Cost

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.

Benefits

Operate in Comfort

Boost productivity and comfort with adjustable seat and a ventilation system option.

Low Cost-Per-Hour Operation

Keep costs down with extended maintenance cycles and reversing fan option while saving on fuel with Eco mode.

Reliable Performance

Precise blade movement and power with the C4.4 engine helps to get the job finished on-time and budget.

Features At A Glance

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Productive and Economical

Productive and Economical

  • Increase your fuel economy up to 5% with the standard ECO mode.
  • The on-demand fan reduces fuel consumption and under-hood heat for longer component life.
  • Improve productivity with the Electronic Throttle Control which matches engine power and torque to application requirements.
  • The powershift transmission and machine balanced design ensures that you get full drawbar power to the ground with the Cat C4.4 engine.
  • The hydraulic system makes the machines more precise and predictable for a consistent grade.
  • The Digital Blade Slope Meter option shows you the grade without relying on manual grade checkers.
  • Product Link™ provides location, machine hours, fuel usage, productivity, idle time, diagnostic codes, and other machine data ondemand through the VisionLink® online interface, which helps you improve jobsite efficiency with lower operating costs.
Cab Keeps You Comfortable All Day Long

Cab Keeps You Comfortable All Day Long

  • Choose your comfort level in the cab with standard, mechanical suspension or air suspension seat.
  • Easily adjust the control console and steering wheel.
  • The high capacity Heating, Ventilation and Air Conditioning (HVAC) system option circulates fresh air, prevents dust entry, and keeps windows from fogging.
  • Easily add a radio to the cab using the built-in mounting location option.
Reliable Performance

Reliable Performance

  • The drawbar circle moldboard stays factory tight providing precision grading pass after pass.
  • The machine structure is built for a long life. It’s designed to use several types of work tools, such as a front blade.
  • A slip clutch option protects the circle drive if the machine strikes an immovable object.
  • The front axle maximizes bearing life while also minimizing maintenance.
  • Reduce daily greasing requirements and costly repairs to your circle and pinion with the Circle Saver option.
Safely Home Every Day

Safely Home Every Day

  • See what’s behind you with the rear camera option. The dedicated display can be always on to ensure a safe workenvironment.
  • In the event of an engine stall, count on the secondary steering system option to help stop the machine safely.
  • Use three points of contact when entering and exiting the machine with strategically placed walkways and grab rails.
  • Ground level engine shut-off switch stops all fuel to the engine when activated and shuts down the machine.
  • See the rear of your machine with side and rearview mirrors.
  • Work past sundown using the strategically placed lights for nighttime visibility.
Maintenance Made Easy

Maintenance Made Easy

  • Filters, such as fuel, engine air, and oil filters, are grouped together for easy access and preventative maintenance.
  • The standard drawbar circle moldboard increases durability using hardened circle teeth and replaceable wear inserts to help sustain factory tightness.
  • Brake adjustments are maintenance free and easily accessible.
  • The standard bottom guard shields the transmission and filter. Optional guarding protects your machine from damage in demanding applications.
  • Spend less time cleaning the cooling system with the reversing fan option, which reduces costs when cleaned once per week for more uptime.
Attachments to Fit Your Needs

Attachments to Fit Your Needs

  • Improve the performance and efficiency of your machine with the push block option.
  • Ripper and scarifier options are available to assist with grading hard ground.
  • Add the front blade option to spread more material faster.
  • The optional tow hitch allows you to tow equipment or implements behind the machine.
Specifications Standard Equipment Optional Equipment

Product Specifications for 120 GC

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Net Power - ISO 9249/SAE J1349 171 hp 128 kW
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. 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.
Stroke 5 in 127 mm
Engine Model Cat® C4.4 Cat® C4.4
Maximum Torque 544 lb/ft 738 N·m
Bore 4.1 in 105 mm
Torque Rise - ISO 9294 21% 21%
Emissions Meets India CEV Stage V emission standards Meets India CEV Stage V emission standards
Derating Altitude 9,842 ft 3000 m
Displacement 268.5 in³ 4.4 l
Operating Weight - Typically Equipped 31424 lb 14254 kg
Blade Width 12 ft 3.7 m
Arc Radius 16.3 in 413 mm
Cutting Edge Width 6 in 152 mm
Throat Clearance 4.7 in 112 mm
Blade Height 20 in 580 mm
End Bit - Width 152 in 6 mm
Width 94.6 in 2402 mm
Maximum Height 149.1 in 3787.8 mm
Length of Machine* 391.4 in 9941 mm
Note *Typically equipped with push block and ripper. *Typically equipped with push block and ripper.
Moldboard Sideshift - Left 20.2 in 512 mm
Circle Centershift - Right 25.8 in 656 mm
Moldboard Sideshift - Right 26.1 in 663 mm
Maximum Lift Above Ground 16.1 in 410 mm
Circle Centershift - Left 25.8 in 656 mm
Blade Tip Range - Backward 5° 5°
Maximum Depth of Cut 30.5 in 775 mm
Blade Tip Range - Forward 40° 40°
Circle Drive without Slip Clutch 0.4 gal (US) 1.5 l
Hydraulic System 14.5 gal (US) 55 l
Circle Drive with Slip Clutch 1.8 gal (US) 7 l
Cooling System 10.3 gal (US) 39 l
Transmission 4.5 gal (US) 17 l
Engine Crankcase 2 gal (US) 7.6 l
Fuel Tank 71 gal (US) 269 l
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. 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.

120 GC Standard Equipment

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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

120 GC Optional Equipment

Print

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

DRAWBAR CIRCLE MOLDBOARD

  • Circle Drive Slip Clutch
  • Circle Saver

SAFETY

  • Rearview camera
  • Secondary steering system

ATTACHMENTS

  • Push block
  • Ripper
  • Scarifier
  • Front Blade
  • Tow hitch

See how 120 GC compares against frequently compared products.

Motor Graders
Selected
120 GC
120 GC
Net Power - ISO 9249/SAE J1349
171 hp
128 kW
Operating Weight - Typically Equipped
31424 lb
14254 kg
Blade Width
12 ft
3.7 m
Motor Graders
120 Tier 3
120
Net Power - ISO 9249/SAE J1349
130 hp
97 kW
Operating Weight - Typically Equipped
36,500 lb
16 556 kg
Blade Width
12 ft
3.7 m
View Details
Motor Graders
140 Tier 3
140
Base Power (1st Gear) - Net
183 hp
136 kW
Operating Weight - Typically Equipped
40565 lb
18400 kg
Blade Width
12 ft
3.7 m
View Details

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120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader

120 GC Motor Grader
120 GC Motor Grader
120 GC Motor Grader
120 GC Motor Grader
120 GC Motor Grader
120 GC Motor Grader

The Cat® 120 GC Motor Grader – Reliable, Cost-Efficient

The Cat® 120 GC Motor Grader – Finish Grading

The Cat® 120 GC Motor Grader – Slope Grading

The Cat® 120 GC Motor Grader - Cab

The Cat® 120 GC Motor Grader – Reliable, Cost-Efficient
The Cat® 120 GC Motor Grader – Finish Grading
The Cat® 120 GC Motor Grader – Slope Grading
The Cat® 120 GC Motor Grader - Cab

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