Motor Graders 120 GC

Request A Price Find Dealer

Key Specs

Weight*: 35494 lb; 16100 kg

Blade Width: 12 ft; 3.7 m

Maximum Torque: 544 lb/ft; 738 N·m

120 GC
Change model

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 all new 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

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 all-wheel drive (AWD) option assists with traction and maneuvering the machine. The increased power helps you to handle slopes and loose material better.
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.

Full Specifications Standard Equipment Optional Equipment

Product Specifications for 120 GC

Download Print

Engine

Maximum Torque	544 lb/ft 738 N·m
Displacement	268.5 in³ 4.4 l
Engine Power AWD (ISO 14396)	128 kW 171 HP
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.
Emissions	Meets U.S. EPA Tier 4 Final and EU Stage V emission standards Meets U.S. EPA Tier 4 Final and EU Stage V emission standards
Stroke	5 in 127 mm
Derating Altitude	9842 ft 3000 m
Bore	4.1 in 105 mm
Engine Model	Cat® C4.4 Cat® C4.4
Torque Rise - ISO 9294	21% 21%

Machine Weight

Weight*	35494 lb 16100 kg
All-Wheel Drive (AWD) Weight	36376 lb 16500 kg

Dimensions

Length of Machine*	391.4 in 9941 mm
Maximum Height	149.1 in 3787.8 mm
Width	94.6 in 2402 mm
Note	Typically equipped with push block and ripper. Typically equipped with push block and ripper.

Moldboard

Blade Width	12 ft 3.7 m
Cutting Edge Width	6 in 152 mm
Throat Clearance	4.7 in 112 mm
Arc Radius	16.3 in 413 mm
End Bit - Width	152 in 6 mm
Blade Height	20 in 580 mm

Blade Range

Blade Tip Range - Backward	5Â° 5Â°
Moldboard Sideshift - Right	26.1 in 663 mm
Moldboard Sideshift - Left	20.2 in 512 mm
Maximum Lift Above Ground	16.1 in 410 mm
Circle Centershift - Left	25.8 in 656 mm
Blade Tip Range - Forward	40Â° 40Â°
Circle Centershift - Right	25.8 in 656 mm
Maximum Depth of Cut	30.5 in 775 mm

Service Refill Capacities

Cooling System	10.3 gal (US) 39 l
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
Transmission	4.5 gal (US) 17 l
Diesel Exhaust Fluid Tank (Tier 4 Only)	3.2 gal (US) 12 l
Fuel Tank	71 gal (US) 269 l
Engine Crankcase	2 gal (US) 7.6 l

120 GC Standard Equipment

Print

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

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

See how 120 GC compares against frequently compared products.

Motor Graders 120 GC

120 GC

Weight*: 35494 lb; 16100 kg
Blade Width: 12 ft; 3.7 m
Maximum Torque: 544 lb/ft; 738 N·m

Selected Model

Motor Graders 120 / 120 AWD

120 / 120 AWD

Net Power Range (Tier 4): 139 HP; 104 kW
Lever/Steering Wheel Weight* Tier 4: 35067 lb; 15906 kg
Basic Blade Width: 12 ft; 3.7 m

Model Details

Motor Graders 140 / 140 AWD

140 / 140 AWD

Net Power Range (Tier 4): 179 HP; 133 kW
Operating Weight - Typically Equipped: 42647 lb; 19344 kg
Blade Width: 12 ft; 3.7 m

Model Details

Tools And Expert Help At Every Turn

Payment Calculator

Current Offers

Rental Options

Technical Information

Find Dealer

Boost Productivity. Improve Efficiency.

Cat® Technology for construction helps contractors meet production goals and improve efficiencies.

Learn More

Product Brochures and More Are Ready to Download!

Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.

First Name

Last Name

Email

Business Phone

Company

Company Address

City

Zip/Postal Code

Country

Level of interest

Marketing Consent

Yes, I’d like to receive future marketing (e.g. new product information, promotions) email communications from Caterpillar (Caterpillar Inc. and its affiliates & subsidiaries). You can withdraw your consent at any time. Regardless of whether you decide to receive these marketing communications, Caterpillar will continue to send service/transactional messages, including those that have to do with any accounts you may have with us. Please refer to our Global Data Privacy Statement for more information about Caterpillar’s data privacy practices and rights that you may have. Learn more… No, I would not like to receive future marketing email communications from Caterpillar Inc.

Website Privacy Statement Download without providing email

Media Gallery

Photos

Videos

360 View

All

Take the interactive virtual product tour to explore the great features and benefits of the 120 GC

Start 120 GC Tour