120M2 AWD Motor Grader

Overview
Engine Model
Cat® C7.1 ACERT™
Gross Vehicle Weight - Maximum - Front Axle
15,675 lb
Gross Vehicle Weight - Maximum - Rear Axle
33,312 lb
  • Exterior View
  • Interior 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 to further enhance our quality. The end result of this development process is a motor grader line with breakthrough technologies, tested in the field and built around real applications and real customer needs. M Series 2 Motor Graders meet Tier 4 Interim/Stage IIIB equivalent emission standards.

Engine

Engine Model
Cat® C7.1 ACERT™
Bore
4 in
Stroke
5 in
Base Power (all gears) - Net
145 hp
Emissions
Tier 4 Interim/Stage IIIB equivalent
Hi Ambient - Fan Speed - Standard
1,000 rpm
Maximum Torque
693 lbf-ft
Standard Capability
109 ° F
Torque Rise
45%
VHP Plus Range - Net
108-141 kW (145-189 hp)
VHP Plus Range - Net (metric)
108-141 kW (147-192 hp)
Displacement
428 in3
Number of Cylinders
6
Derating Altitude
10,000 ft
High Ambient - Fan Speed - Maximum
1,350 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High Ambient Capability
122 ° F
Base Power (1st Gear) - Net
145 HP
Speed at Rated Power
2,100 rpm
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
147 HP
VHP Plus - Gear 1F, Net
145 HP
VHP Plus - Gear 2F, Net
153 HP
VHP Plus - Gear 3F, Net
161 HP
VHP Plus - Gear 4F, Net
169 HP
VHP Plus - Gear 5F, Net
174 HP
VHP Plus - Gear 6F, Net
179 HP
VHP Plus - Gear 7F, Net
184 HP
VHP Plus - Gear 8F, Net
189 HP
Engine Model
Cat® C7.1 ACERT™
Bore
4 in
Stroke
5 in
Base Power (All Gears) - Net
145 HP
Emissions
Tier 4 Interim/Stage IIIB equivalent
High Ambient - Fan Speed - Standard
1,000 rpm
Maximum Torque
693 lb/ft
Standard Capability
109 °F
Torque Rise
45%
VHP Plus Range - Net
108-141 kW (145-189 hp)
VHP Plus Range - Net - Metric
108-141 kW (147-192 hp)
Displacement
428 in³
Number of Cylinders
6
Derating Altitude
10,000 ft
High Ambient - Fan Speed - Maximum
1,350 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High - Ambient Capability
122 °F

Weights

Gross Vehicle Weight - Maximum - Front Axle
15,675 lb
Gross Vehicle Weight - Maximum - Rear Axle
33,312 lb
Operating Weight, Typically Equipped - Front Axle
11,614 lb
Operating Weight, Typically Equipped - Rear Axle
30,244 lb
Gross Vehicle Weight - Base - Front Axle
9,777 lb
Gross Vehicle Weight - Base - Rear Axle
27,438 lb
Gross Vehicle Weight - Maximum - Total
48,987 lb
Gross Vehicle Weight - Base - Total
37,214 lb
Operating Weight, Typically Equipped - Total
41,859 lb
Operating Weight - Typically Equipped
41,859 lb
Gross Vehicle Weight - Maximum - Rear Axle
33,312 lb
Gross Vehicle Weight - Base - Front Axle
9,777 lb
Gross Vehicle Weight - Base - Rear Axle
27,438 lb
Gross Vehicle Weight - Maximum - Total
48,987 lb
Gross Vehicle Weight - Base - Total
37,214 lb
Gross Vehicle Weight - Maximum - Front Axle
15,675 lb
Operating Weight - Typically Equipped - Front Axle
11,614 lb
Operating Weight - Typically Equipped - Rear Axle
30,244 lb
Operating Weight - Typically Equipped - Total
41,859 lb

Power Train

Brakes - Service, Surface Area
3,565 in2
Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
Direct Drive, Powershift
Brakes - Service
Multiple Oil Disc
Brakes - Parking
Multiple Oil Disc
Brakes - Secondary
Dual Circuit
Brakes - Service - Surface Area
3,565 in²

Hydraulic System

Pump Output
56 gal/min
Standby Pressure
609 psi
Circuit Type
Parallel
Pump Type
Variable Piston
Maximum System Pressure
3,500 psi
Standby Pressure
609 psi
Pump Output
56 gal/min
Reservoir Tank Capacity
16 gal (US)

Moldboard

Moldboard - Height
24 in
Moldboard - Thickness
1 in
Blade Pull - Base GVW
23,737 lb
Blade Pull - Maximum GVW
44,088 lb
Blade Down Pressure - Base GVW
15,030 lb
Blade Down Pressure - Maximum GVW
27,235 lb
Blade Width
12 ft
Arc Radius
16 in
Throat Clearance
5 in
Cutting Edge Width
6 in
Cutting Edge Thickness
1 in
End Bit - Width
6 in
End Bit - Thickness
1 in
Moldboard - Height
24 in
Moldboard - Thickness
1 in
Blade Pull - Base GVW
23,737 lb
Blade Pull - Maximum GVW
44,088 lb
Blade Down Pressure - Base GVW
15,030 lb
Blade Down Pressure - Maximum GVW
27,235 lb

Scarifier

Mid, V-Type - Scarifier Shank Holder Spacing
5 in
Mid, V-Type - Scarifying Depth, Maximum
12 in
Mid, V-Type - Working Width
47 in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing
5 in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders
5/11
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum
18 in
Front, V-Type, 5 or 11 Tooth - Working Width
41 in
Front, V-Type - Working Width
47 in
Mid, Straight - Ripping Depth, Maximum
13 in
Mid, Straight - Scarifier Shank Holder Spacing
4 in
Mid, Straight - Scarifier Shank Holders
17
Mid, Straight - Scarifying Depth, Maximum
17 in
Mid, Straight - Working Width
71 in
Mid, V-Type - Scarifier Shank Holders
11
Mid, V-Type - Scarifier Shank Holder Spacing
5 in
Mid, V-Type - Scarifying Depth, Maximum
12 in
Mid, V-Type - Working Width
47 in

Ripper

Ripper Shank Holder Spacing
21 in
Ripping Depth - Maximum
9 in
Ripper Shank Holders
5
Penetration Force
17,692 lb
Pry-Out Force
5,660 lb
Machine Length Increase, Beam Raised
42 in
Ripper Shank Holder Spacing
21 in

Frame

Drawbar - Thickness
0 in
Front-Top/Bottom Plate - Width
10 in
Front-Top/Bottom Plate - Thickness
1 in
Front Axle - Wheel Lean, Left/Right
18°
Drawbar - Width
3 in
Circle - Diameter
60 in
Circle - Blade Beam Thickness
1 in
Drawbar - Height
6 in
Front Frame Structure - Height
11 in
Front Frame Structure - Width
8 in
Front Axle - Height to Center
23 in
Front Axle - Total Oscillation per Side
32°
Drawbar - Thickness
0 in
Front-Top/Bottom Plate - Width
10 in
Front-Top/Bottom Plate - Thickness
1 in
Front Axle - Wheel Lean - Left/Right
18°

Service Refill

Transmission/Differential/Final Drives
17 gal
Fuel Capacity
100 gal (US)
Cooling System
13 gal (US)
Hydraulic System - Tank
17 gal (US)
Engine Oil
8 gal (US)
Tandem Housing - Each
16 gal (US)
Front Wheel Spindle Bearing Housing
0 gal (US)
Circle Drive Housing
2 gal (US)
Transmission - Differential - Final Drives
17 gal (US)

Operating Specifications

Top Speed - Forward
28 mile/h
Top Speed - Reverse
22 mile/h
Turning Radius - Outside Front Tires
24 ft
Steering Range - Left/Right
47.5°
Articulation Angle - Left/Right
20°
Forward - 1st
3 mile/h
Forward - 2nd
3 mile/h
Forward - 3rd
5 mile/h
Forward - 4th
7 mile/h
Forward - 5th
10 mile/h
Forward - 6th
14 mile/h
Forward - 7th
20 mile/h
Forward - 8th
28 mile/h
Reverse - 1st
2 mile/h
Reverse - 2nd
4 mile/h
Reverse - 3rd
5 mile/h
Reverse - 4th
8 mile/h
Reverse - 5th
15 mile/h
Reverse - 6th
22 mile/h

Blade Range

Circle Centershift - Right
26 in
Circle Centershift - Left
26 in
Moldboard Sideshift - Right
26 in
Moldboard Sideshift - Left
20 in
Maximum Blade Position Angle
90°
Blade Tip Range - Forward
40°
Blade Tip Range - Backward
Maximum Shoulder Reach Outside of Tires - Right
75 in
Maximum Shoulder Reach Outside of Tires - Left
69 in
Maximum Lift Above Ground
17 in
Maximum Depth of Cut
28 in

Standards

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

Tandems

Height
20 in
Width
7 in
Sidewall Thickness - Inner
1 in
Sidewall Thickness - Outer
1 in
Drive Chain Pitch
2 in
Wheel Axle Spacing
60 in
Tandem Oscillation - Front Up
15°
Tandem Oscillation - Front Down
25°

Emissions

Note
U.S. EPA Tier 4 Interim/EU Stage IIIB equivalent
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
-1 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments – Length Front Tire to Rear of Machine Dimension 6
-1 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments – Width to Tire Centerline Dimension 11
4 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments – Width to Tire Front/Rear Tires Dimensions 12, 13
8 in
Note
Dimension changes may vary by brand/type and inflation of tires.
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Height to Dimensions 1, 2, 8, 9, 10
-1 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6
-1 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11
4 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13
8 in
Note
Dimension changes may vary by brand/type and inflation of tires.

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.
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.

Operator Station

Steering and Implement Controls

Emissions Technology

Engine

Power Train

Structures and DCM

“Smart” Machine Systems

All-Wheel Drive (AWD)

Integrated Technologies

Hydraulics

Work Tools and Attachments

Safety

Customer Support

Sustainability

  • Power Train
    • Air cleaner, dual stage, dry type, diesel, with automatic engine derate and automatic dust ejector, service indicator through Cat Messenger
    • Air-to-air after cooler (ATAAC)
    • Belt, serpentine, automatic tensioner
    • Brakes, oil disc, four-wheel, hydraulic
    • Demand fan, hydraulic, swing-out
    • Differential lock/unlock, automatic
    • Drain, engine oil, ecology
    • Electronic over speed protection
    • Engine, C7.1 with ACERT Technology, Tier 4 Interim and Stage IIIB equivalent emission standards
    • Fuel tank, 378 L (100 gal), ground level access and sediment drain
    • Parking brake – multi-disc, sealed, oil-cooled
    • Priming pump, fuel
    • Rear axle, modular
    • Sediment drain, fuel tank
    • Tandem drive
    • Transmission, 8F/6R, power shift, direct drive
    • VHP Plus (Variable Horsepower)
  • Electrical
    • Alarm, back up
    • Alternator, 150 ampere, sealed
    • Batteries, maintenance free, heavy duty, 1,125 CCA
    • Breaker panel, ground accessible
    • Cab harness and electrical hydraulic valves
    • Electrical system, 24V
    • Grade Control Ready – Cab harness, software, electrical hydraulic valves, bosses and brackets
    • Lights, roof-mounted roading, reversing, LED stop and tail
    • Product Link Ready
    • Starter, electric
  • Operator Environment
    • Accelerator
    • Air conditioning with heater
    • Arm and wrist rest, electronically adjustable
    • Articulation, automatic Return-to-Center
    • Ashtray and lighter
    • Cat® Messenger operator information system
    • Centershift pin indicator
    • Coat hook
    • Cup holder
    • Display, digital speed and gear
    • Doors, left and right side with wiper
    • Gauge, machine level
    • Gauge cluster (analog) – fuel, articulation, engine coolant temp, engine RPM, hydraulic oil temp, regen
    • Hour meter, digital
    • Joystick hydraulic controls right/left blade lift with float position, circle drive, blade sideshift and tip, centershift, front wheel lean, articulation and power steering
    • Joystick, adjustable armrests
    • Joystick gear selection
    • Joystick hydraulic power steering
    • Ladders, cab, left and right side
    • Lights, night time cab
    • Mirror, inside rearview, wide angle
    • Power port, 12V
    • Radio Ready, Entertainment
    • ROPS cab, sound suppressed 70 dB(A)
    • Seat, cloth-covered, comfort suspension
    • Seat belt, retractable 76 mm (3 in)
    • Storage area for cooler/lunchbox
    • Throttle control, electronic
    • Windows, laminated glass: – fixed front with intermittent wiper – side and rear (3)
  • Fluids
    • Antifreeze
    • Extended Life Coolant to –35° C (–30° F)
  • Tires, Rims And Wheels
    • Partial allowance for tires on 254 × 607 mm (10 × 24 in) multi-piece rims is included in the base machine price and weight
  • Other Standard Equipment
    • Accumulators, brake, dual certified
    • Anti-glare paint
    • Bumper, rear, integrated with hitch
    • CD ROM Parts Book
    • Clutch, circle drive slip
    • Cutting edges: – 152 × 16 mm (6 × 5/8 in) – curved DH-2 steel – 19 mm (3/4 in) mounting bolts
    • Doors (3), engine compartment, locking
    • Drawbar – 6 shoes, replaceable wear strips
    • Electrical hydraulic valves, hydraulic lines for base 8 functions
    • Endbits: – 16 mm (5/8 in) DH-2 steel – 19 mm (3/4 in) mounting bolts
    • Fluid check, ground level
    • Frame, articulated, with safety lock
    • Ground level engine shutdown
    • Hammer (emergency exit)
    • Horn, electric
    • Hydraulic lines for base functions
    • Lockout, hydraulic implement (for roading and servicing)
    • Moldboard – 3658 × 610 × 22 mm (12 ft × 24 in × 7/8 in)
    • Mounting, cab roof accessories
    • Pump, hydraulic, high capacity, 98 cm³ (6 in³)
    • Radiator, cleanout access (both sides with swing doors)
    • Secondary steering
    • Serviceability, LH side
    • SOSSM ports: engine, hydraulic, transmission, coolant, fuel
    • Tandem walkway/guards
    • Tool box
    • Tow hitch
  • 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

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