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.

Specifications
Equipment
Product Brochures
Attachments
Units: US Metric
Engine
Net Power - ISO 9249/SAE J1349
171 hp
128 kW
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.
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards
Stroke
5 in
127 mm
Derating Altitude
9842 ft
3000 m
Bore
4.1 in
105 mm
Engine Model
Cat® C4.4
Torque Rise - ISO 9294
21%
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
Maximum Height
149.1 in
3787.8 mm
Width
94.6 in
2402 mm
Note
*Typically equipped with push block and ripper.
Moldboard
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
5°
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
40°
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
Sustainability
Recyclability
92%
Standard Equipment
NOTE
CAB
ENGINE
DRAWBAR CIRCLE MOLDBOARD
SAFETY