120M Motor Grader

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Product Description

The Cat® 120M Motor Grader is designed to help you get more work done in less time. Unprecedented operator comfort and ease of service help to maximize your return on investment.

Specifications
Us
Metric
Engine
Base Power (1st gear) - Net
138 hp
103 kW
Engine Model
Cat C6.6 ACERT™
Bore
4.13 in
105 mm
Stroke
5.0 in
127 mm
Speed @ Rated Power
2,000 rpm
Base Power (1st gear) – Net (Metric)
140 hp
103 kW
Maximum Torque (VHP Plus-Net)
668 lbf-ft
906 N·m
Torque Rise (VHP Plus)
40%
VHP Plus Range – Net
103-136 kW (138-182 hp)
VHP Plus Range – Net (Metric)
103-136 kW (140-185 hp)
Displacement
403 in3
6.6 L
Number of Cylinders
6
Derating Altitude
11500 ft
3505 m
Standard Fan Speed – Maximum
1,150 rpm
Standard Fan Speed – Minimum
600 rpm
Emissions
U.S. EPA Tier 3/EU Stage IIIA equivalent
High Ambient Fan Speed – Maximum
1,650 rpm
High Ambient Fan Speed – Minimum
600 rpm
High Ambient Capability
122 ° F
50 ° C
Weights
Operating Weight - Typically Equipped
40565 lb
18400 kg
Gross Vehicle Weight – Base: Total
35783 lb
16231 kg
Gross Vehicle Weight – Base: Front Axle
9303 lb
4220 kg
Gross Vehicle Weight – Base: Rear Axle
26479 lb
12011 kg
Gross Vehicle Weight – Maximum: Total
48601 lb
22045 kg
Gross Vehicle Weight – Maximum: Front Axle
15077 lb
6839 kg
Gross Vehicle Weight – Maximum: Rear Axle
33523 lb
15206 kg
Gross Vehicle Weight – Typically Equipped: Total
40565 lb
18400 kg
Gross Vehicle Weight – Typically Equipped: Front Axle
11221 lb
5090 kg
Gross Vehicle Weight – Typically Equipped: Rear Axle
29343 lb
13310 kg
Moldboard
Blade Width
12 ft
3.7 m
Moldboard – Height
24.0 in
610 mm
Arc Radius
16.3 in
413 mm
Throat Clearance
5.2 in
134 mm
Moldboard – Width
12 ft
3.7 m
Frame
Drawbar – Width
3.0 in
76.2 mm
Circle – Diameter
60.2 in
1530 mm
Drawbar – Height
6.0 in
152 mm
Front Frame Structure – Height
11.0 in
280 mm
Front Frame Structure – Width
10.0 in
255 mm
Front Axle – Wheel Lean, Left/Right
18°
Front Axle – Total Oscillation per Side
32°
Blade Range
Circle Centershift – Right
25.8 in
656 mm
Circle Centershift – Left
25.8 in
656 mm
Moldboard Sideshift – Right
26.0 in
660 mm
Moldboard Sideshift – Left
20.1 in
510 mm
Blade Tip Range – Forward
40°
Blade Tip Range – Backward
Maximum Shoulder Reach Outside of Tires – Right
75.0 in
1905 mm
Maximum Shoulder Reach Outside of Tires – Left
68.6 in
1742 mm
Maximum Lift Above Ground
16.8 in
427 mm
Maximum Depth of Cut
28.3 in
720 mm
Engine
Note
Maximum torque (VHP Plus) measured at 1,400 rpm.
Note
Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture.
Note
Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan running at minimum speed, air cleaner, muffler and alternator.
Note
Power as declared per ISO 14396: Rated Speed = 2,000 rpm; VHP Plus = 175 kW (234 hp)
Note
No engine derating required up to 3048 m (10,000 ft).
Standard/Optional

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