120M2 AWD Motor Grader

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120M2 AWD Motor Grader

360° Exterior View

The M Series 2 continues the legacy of quality already established by Cat Motor Graders. The extensive validation program, combined with improvements to the manufacturing process, allows Caterpillar ...
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Engine

Base Power (1st Gear) - Net
145HP
Engine Model
Cat® C7.1 ACERT™
Bore
4.13in
Stroke
5.31in
Speed at Rated Power
2,100 rpm
VHP Plus Range - Net - Metric
108-141 kW (147-192 hp)
VHP Plus Range - Net
108-141 kW (145-189 hp)
Torque Rise
45%
Standard Capability
109°F
Maximum Torque
693lb/ft
Emissions
Tier 4 Interim/Stage IIIB equivalent
High Ambient - Fan Speed - Standard
1,000 rpm
Base Power (All Gears) - Net
145HP
AWD Range - Net
114-156 kW (153-209 hp)
AWD Range - Net - Metric
114-156 kW (155-212 hp)
Base Power (1st Gear) - Net - Metric
147HP
VHP Plus - Gear 1F, Net
145HP
VHP Plus - Gear 2F, Net
153HP
VHP Plus - Gear 3F, Net
161HP
VHP Plus - Gear 4F, Net
169HP
VHP Plus - Gear 5F, Net
174HP
VHP Plus - Gear 6F, Net
179HP
VHP Plus - Gear 7F, Net
184HP
VHP Plus - Gear 8F, Net
189HP
Displacement
428in³
Number of Cylinders
6
Derating Altitude
10000ft
High Ambient - Fan Speed - Maximum
1,350 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High - Ambient Capability
122°F

Weights

Operating Weight - Typically Equipped
41859lb
Gross Vehicle Weight - Maximum - Rear Axle
33312lb
Gross Vehicle Weight - Base - Front Axle
9777lb
Gross Vehicle Weight - Base - Rear Axle
27438lb
Gross Vehicle Weight - Maximum - Total
48987lb
Operating Weight - Typically Equipped - Total
41859lb
Operating Weight - Typically Equipped - Rear Axle
30244lb
Operating Weight - Typically Equipped - Front Axle
11614lb
Gross Vehicle Weight - Maximum - Front Axle
15675lb
Gross Vehicle Weight - Base - Total
37214lb

Moldboard

Blade Width
12ft
Moldboard - Height
24in
Moldboard - Thickness
0.87in
Arc Radius
16.3in
Throat Clearance
4.9in
Cutting Edge Width
6in
Cutting Edge Thickness
0.6in
End Bit - Width
6in
End Bit - Thickness
0.6in
Blade Pull - Base GVW
23737lb
Blade Pull - Maximum GVW
44088lb
Blade Down Pressure - Base GVW
15030lb
Blade Down Pressure - Maximum GVW
27235lb

Operating Specifications

Top Speed - Forward
28.4mile/h
Top Speed - Reverse
22.4mile/h
Turning Radius - Outside Front Tires
24.3ft
Steering Range - Left/Right
47.5°
Articulation Angle - Left/Right
20°
Forward - 1st
2.5mile/h
Forward - 2nd
3.4mile/h
Forward - 3rd
4.9mile/h
Forward - 4th
6.7mile/h
Forward - 5th
10.4mile/h
Forward - 6th
14.2mile/h
Forward - 7th
19.5mile/h
Forward - 8th
28.4mile/h
Reverse - 1st
1.9mile/h
Reverse - 2nd
3.9mile/h
Reverse - 3rd
5.3mile/h
Reverse - 4th
8.2mile/h
Reverse - 5th
15.4mile/h
Reverse - 6th
22.4mile/h

Service Refill

Fuel Capacity
100gal (US)
Cooling System
12.9gal (US)
Hydraulic System - Tank
16.9gal (US)
Engine Oil
7.9gal (US)
Transmission - Differential - Final Drives
16.5gal (US)
Tandem Housing - Each
15.6gal (US)
Front Wheel Spindle Bearing Housing
0.13gal (US)
Circle Drive Housing
1.8gal (US)

Power Train

Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
Direct Drive, Powershift
Brakes - Service
Multiple Oil Disc
Brakes - Service - Surface Area
3565in²
Brakes - Parking
Multiple Oil Disc
Brakes - Secondary
Dual Circuit

Hydraulic System

Circuit Type
Parallel
Pump Type
Variable Piston
Pump Output
55.7gal/min
Maximum System Pressure
3500psi
Reservoir Tank Capacity
15.85gal (US)
Standby Pressure
609psi

Frame

Drawbar - Width
3in
Circle - Diameter
60.2in
Circle - Blade Beam Thickness
1.4in
Drawbar - Height
6in
Front Frame Structure - Height
11in
Front Frame Structure - Width
8in
Drawbar - Thickness
0.4in
Front-Top/Bottom Plate - Width
10in
Front-Top/Bottom Plate - Thickness
0.87in
Front Axle - Height to Center
22.5in
Front Axle - Wheel Lean - Left/Right
18°
Front Axle - Total Oscillation per Side
32°

Blade Range

Circle Centershift - Right
25.8in
Circle Centershift - Left
25.8in
Moldboard Sideshift - Right
26in
Moldboard Sideshift - Left
20.1in
Maximum Blade Position Angle
90°
Blade Tip Range - Forward
40°
Blade Tip Range - Backward
Maximum Lift Above Ground
16.8in
Maximum Depth of Cut
28.3in
Maximum Shoulder Reach Outside of Tires - Right
75in
Maximum Shoulder Reach Outside of Tires - Left
68.6in

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.88 metric tonnes.

Scarifier

Mid, V-Type - Working Width
46.6in
Mid, V-Type - Scarifying Depth, Maximum
11.5in
Mid, V-Type - Scarifier Shank Holder Spacing
4.6in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing
4.6in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders
5/11
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum
18.4in
Front, V-Type, 5 or 11 Tooth - Working Width
40.6in
Front, V-Type - Working Width
47.4in
Mid, Straight - Ripping Depth, Maximum
12.5in
Mid, Straight - Scarifier Shank Holder Spacing
4.4in
Mid, Straight - Scarifier Shank Holders
17
Mid, Straight - Scarifying Depth, Maximum
16.8in
Mid, Straight - Working Width
71in
Mid, V-Type - Scarifier Shank Holders
11

Ripper

Ripper Shank Holder Spacing
21in
Ripping Depth - Maximum
8.9in
Ripper Shank Holders
5
Penetration Force
17692lb
Pry-Out Force
5660lb
Machine Length Increase, Beam Raised
41.5in

Standards

Brakes
ISO 3450
ROPS/FOPS
ISO 3471/ISO 3449
Sound
ISO 6394; ISO 6395
Steering
ISO 5010

Emissions

Note
U.S. EPA Tier 4 Interim/EU Stage IIIB equivalent

Tires

17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Height to Dimensions 1, 2, 8, 9, 10
-0.8in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6
-0.6in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11
4.1in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13
7.6in
Note
Dimension changes may vary by brand/type and inflation of tires.

Tandems

Height
19.8in
Width
6.8in
Sidewall Thickness - Inner
0.5in
Sidewall Thickness - Outer
0.6in
Drive Chain Pitch
1.8in
Wheel Axle Spacing
59.5in
Tandem Oscillation - Front Up
15°
Tandem Oscillation - Front Down
25°

Standard Equipment:

Optional Equipment:

    Electrical
    • Alternator, 280 ampere
    • Batteries: extreme duty, 1,400 CCA
    • Converter, communication (CB)
    • Lights: Headlights, high
    • Lights: Headlights, low
    • Lights: Working lights, basic
    • Lights: Working lights, plus, LED
    • Lights: Warning: beacon or strobe
    • Lights: Mounting for warning light
    Guards
    • Fenders, front
    • Fenders, rear
    • Sound suppression (bottom)
    • Sound suppression (enclosure)
    • Transmission
    Operator Environment
    • Fan, defroster, rear window
    • Mirrors, outside: heated 24V
    • Mirrors, outside: mounted
    • Precleaner, HVAC
    • Radio ready, AM/FM
    • Seat, air suspension, cloth
    • Shade, sun
    • Wiper/washer, rear
    Power Train
    • All Wheel Drive
    • Fuel tank, fast fill
    • Oil, hydraulic, biodegradable synthetic
    • Precleaner, snow
    • Starter, heavy duty, 1,000 Amp
    • Transmission, autoshift
    Other Attachments
    • AccuGrade ARO
    • Accumulators, blade lift
    • Camera, rearview
    • Cat Product Link 321SR
    • Drain, ecology, engine Wiggins
    • Fenders, front, AWD
    • Fenders, rear
    • Heater, engine coolant: 120V
    • Heater, engine coolant: 240V
    • Hydraulic arrangements with one or more additional hydraulic valves are available for rear ripper, dozer, snow plow and snow wing.
    • Snow wing mounting, frame ready
    • Sound suppression
    • Starting aid, ether
    Work Tools/g.e.t.
    • Blade extension, left hand, 610 mm (2 ft)
    • Cutting edges, curved
    • Endbits, overlay
    • Front lift group, mounting
    • Front lift group, mechanical
    • Grader bit, narrow and super penetration
    • Mid-Mount Scarifier, Package
    • Mid-Mount Scarifier, Mounting
    • Moldboard: 4267 mm × 610 mm × 22 mm (14 ft × 24 in × 7/8 in)
    • Moldboard: 4267 mm × 686 mm × 25 mm (14 ft × 27 in × 1 in)
    • Push plate, counterweight
    • Ripper, mounting
    • Ripper, rear
    • Ripper tooth
    • Scarifier, front
    • Snow Arrangement
    • Snow Wing Ready Package
    Machine Arrangements
    • Canadian Arrangement
    • European Arrangement
    • European Roading Arrangement