120 GC Motor Grader
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.
Specifications
Equipment
Product Brochures
Attachments
Units:
Engine
Net Power - ISO 9249/SAE J1349
171 hp
128 kW
Bore
4.1 in
105 mm
Stroke
5 in
127 mm
Displacement
268.5 in³
4.4 l
Engine Power AWD (ISO 14396)
128 kW
171 hp
Maximum Torque
544 lb/ft
738 N·m
Derating Altitude
9842 ft
3000 m
Engine Model
Cat® C4.4
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.
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V emission standards
Weights
Operating Weight - Typically Equipped
31958 lb
14496 kg
Machine Weight
All-Wheel Drive (AWD) Weight
36376 lb
16500 kg
Moldboard
Blade Width
12 ft
3.7 m
Dimensions
Length of Machine*
391.4 in
9941 mm
Width
94.6 in
2402 mm
Maximum Height
149.1 in
3787.8 mm
Note
*Typically equipped with push block and ripper.
Moldboard
Cutting Edge Width
6 in
152 mm
End Bit - Width
152 in
6 mm
Arc Radius
16.3 in
413 mm
Blade Height
20 in
580 mm
Throat Clearance
4.7 in
112 mm
Blade Range
Moldboard Sideshift - Right
26.1 in
663 mm
Circle Centershift - Left
25.8 in
656 mm
Blade Tip Range - Forward
40°
Circle Centershift - Right
25.8 in
656 mm
Moldboard Sideshift - Left
20.2 in
512 mm
Maximum Lift Above Ground
16.1 in
410 mm
Blade Tip Range - Backward
5°
Maximum Depth of Cut
30.5 in
775 mm
Service Refill Capacities
Engine Crankcase
2 gal (US)
7.6 l
Hydraulic System
11.9 gal (US)
45 l
Fuel Tank
71 gal (US)
269 l
Diesel Exhaust Fluid Tank (Tier 4 Only)
3.2 gal (US)
12 l
Circle Drive without Slip Clutch
0.4 gal (US)
1.5 l
Transmission
4 gal (US)
15 l
Cooling System
10.3 gal (US)
39 l
Circle Drive with Slip Clutch
1.8 gal (US)
7 l
Sustainability
Recyclability
92%
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.
Weights
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.
Operating Weight - Typically Equipped - Front Axle
8708 lb
3950 kg
Power Train
Transmission
Countershaft Torque, Converter Powershift
Weights
Operating Weight - Typically Equipped - Rear Axle
23250 lb
10546 kg
Operating Specifications
Steering Range - Left/Right
47.5° left or right
Power Train
Forward/Reverse Gears
6 Forward / 3 Reverse
Operating Specifications
Articulation Angle - Left/Right
20� left or right
Standard Equipment
CAB
POWERTRAIN
SAFETY
DRAWBAR CIRCLE MOLDBOARD
ELECTRICAL
SERVICE AND MAINTENANCE
GUARDS
