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120M2/120M2 AWD Motor Grader

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.

360 View not available for this product.

SPECIFICATION SUMMARY
  • Engine Model Cat® C7.1 ACERT™
  • Gross Vehicle Weight - Maximum - Front Axle 15675.0 lb
  • Gross Vehicle Weight - Maximum - Rear Axle 33312.0 lb
  • Operating Weight, Typically Equipped - Front Axle 10563.0 lb

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C7.1 ACERT™
  • Bore
    4.13 in
  • Stroke
    5.31 in
  • Base Power (all gears) - Net
    145.0 hp
  • Emissions
    Tier 4 Interim/Stage IIIB equivalent
  • Hi Ambient - Fan Speed - Standard
    1,000 rpm
  • Maximum Torque
    693.0 lbf-ft
  • Standard Capability
    109.0 ° 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
    428.0 in3
  • Number of Cylinders
    6
  • Derating Altitude
    10000.0 ft
  • High Ambient - Fan Speed - Maximum
    1,350 rpm
  • High Ambient - Fan Speed - Minimum
    500 rpm
  • High Ambient Capability
    122.0 ° F
  • Base Power (1st Gear) - Net
    145 HP
  • Speed at Rated Power
    2,100 rpm
  • 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
    4.13 in
  • Stroke
    5.31 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
    10000 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
    15675.0 lb
  • Gross Vehicle Weight - Maximum - Rear Axle
    33312.0 lb
  • Operating Weight, Typically Equipped - Front Axle
    10563.0 lb
  • Operating Weight, Typically Equipped - Rear Axle
    29329.0 lb
  • Gross Vehicle Weight - Base - Front Axle
    8651.0 lb
  • Gross Vehicle Weight - Base - Rear Axle
    26374.0 lb
  • Gross Vehicle Weight - Maximum - Total
    48987.0 lb
  • Gross Vehicle Weight - Base - Total
    35025.0 lb
  • Operating Weight, Typically Equipped - Total
    39892.0 lb
  • Operating Weight - Typically Equipped
    39892 lb
  • Gross Vehicle Weight - Maximum - Rear Axle
    33312 lb
  • Gross Vehicle Weight - Base - Front Axle
    8651 lb
  • Gross Vehicle Weight - Base - Rear Axle
    26374 lb
  • Gross Vehicle Weight - Maximum - Total
    48987 lb
  • Gross Vehicle Weight - Base - Total
    35025 lb
  • Gross Vehicle Weight - Maximum - Front Axle
    15675 lb
  • Operating Weight - Typically Equipped - Front Axle
    10563 lb
  • Operating Weight - Typically Equipped - Rear Axle
    29329 lb
  • Operating Weight - Typically Equipped - Total
    39892 lb

Power Train

  • Brakes - Service, Surface Area
    3565.0 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
    3565 in²

Hydraulic System

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

Moldboard

  • Moldboard - Height
    24.0 in
  • Moldboard - Thickness
    0.87 in
  • Blade Pull - Base GVW
    23737.0 lb
  • Blade Pull - Maximum GVW
    29980.0 lb
  • Blade Down Pressure - Base GVW
    15030.0 lb
  • Blade Down Pressure - Maximum GVW
    27235.0 lb
  • Blade Width
    12 ft
  • Arc Radius
    16.3 in
  • Throat Clearance
    4.9 in
  • Cutting Edge Width
    6 in
  • Cutting Edge Thickness
    0.6 in
  • End Bit - Width
    6 in
  • End Bit - Thickness
    0.6 in
  • Moldboard - Height
    24 in
  • Moldboard - Thickness
    0.87 in
  • Blade Pull - Base GVW
    23737 lb
  • Blade Pull - Maximum GVW
    29980 lb
  • Blade Down Pressure - Base GVW
    15030 lb
  • Blade Down Pressure - Maximum GVW
    27235 lb

Scarifier

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

Ripper

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

Frame

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

Service Refill

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

Operating Specifications

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

Blade Range

  • Circle Centershift - Right
    25.8 in
  • Circle Centershift - Left
    25.8 in
  • Moldboard Sideshift - Right
    26 in
  • Moldboard Sideshift - Left
    20.1 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
    68.6 in
  • Maximum Lift Above Ground
    16.8 in
  • Maximum Depth of Cut
    28.3 in

Standards

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

Tandems

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

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

Integrated Technologies

Hydraulics

Work Tools and Attachments

Safety

Customer Support

Sustainability

Standard Equipment:

  • 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

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
    • 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, 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