120M2

Heavy Equipment

120M2

Base Power (1st Gear) - Net
145 HP / 108 kW
Operating Weight - Typically Equipped
39892 lb / 18095 kg
Blade Width
12 ft / 3.7 m

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
Base Power (1st Gear) - Net 145 HP / 108 kW
Engine Model Cat® C7.1 ACERT™
Bore 4.13 in / 105 mm
Stroke 5.31 in / 135 mm
Speed at Rated Power 2,100 rpm
Base Power (1st Gear) - Net - Metric 147 HP / 108 kW
Base Power (All Gears) - Net 145 HP / 108 kW
Emissions Tier 4 Interim/Stage IIIB equivalent
High Ambient - Fan Speed - Standard 1,000 rpm
Maximum Torque 693 lb/ft / 939 N·m
Standard Capability 109 °F / 43 °C
Torque Rise 45%
VHP Plus - Gear 1F, Net 145 HP / 108 kW
VHP Plus - Gear 2F, Net 153 HP / 114 kW
VHP Plus - Gear 3F, Net 161 HP / 120 kW
VHP Plus - Gear 4F, Net 169 HP / 126 kW
VHP Plus - Gear 5F, Net 174 HP / 130 kW
VHP Plus - Gear 6F, Net 179 HP / 134 kW
VHP Plus - Gear 7F, Net 184 HP / 137 kW
VHP Plus - Gear 8F, Net 189 HP / 141 kW
VHP Plus Range - Net 108-141 kW (145-189 hp)
VHP Plus Range - Net - Metric 108-141 kW (147-192 hp)
Displacement 428 in³ / 7.01 l
Number of Cylinders 6
Derating Altitude 10000 ft / 3048 m
High Ambient - Fan Speed - Maximum 1,350 rpm
High Ambient - Fan Speed - Minimum 500 rpm
High - Ambient Capability 122 °F / 50 °C
Power Train
Forward/Reverse Gears 8 Forward/6 Reverse
Transmission Direct Drive, Powershift
Brakes - Service Multiple Oil Disc
Brakes - Service - Surface Area 3565 in² / 23000 cm²
Brakes - Parking Multiple Oil Disc
Brakes - Secondary Dual Circuit
Hydraulic System
Circuit Type Parallel
Pump Type Variable Piston
Pump Output 55.7 gal/min / 210 l/min
Maximum System Pressure 3500 psi / 24150 kPa
Reservoir Tank Capacity 15.85 gal (US) / 60 l
Standby Pressure 609 psi / 4200 kPa
Operating Specifications
Top Speed - Forward 28.4 mile/h / 45.7 km/h
Top Speed - Reverse 22.4 mile/h / 36.1 km/h
Turning Radius - Outside Front Tires 24.3 ft / 7.4 m
Steering Range - Left/Right 47.5°
Articulation Angle - Left/Right 20°
Forward - 1st 2.5 mile/h / 4 km/h
Forward - 2nd 3.4 mile/h / 5.4 km/h
Forward - 3rd 4.9 mile/h / 7.8 km/h
Forward - 4th 6.7 mile/h / 10.8 km/h
Forward - 5th 10.4 mile/h / 16.8 km/h
Forward - 6th 14.2 mile/h / 22.8 km/h
Forward - 7th 19.5 mile/h / 31.4 km/h
Forward - 8th 28.4 mile/h / 45.7 km/h
Reverse - 1st 1.9 mile/h / 3.1 km/h
Reverse - 2nd 3.9 mile/h / 5.9 km/h
Reverse - 3rd 5.3 mile/h / 8.5 km/h
Reverse - 4th 8.2 mile/h / 13.2 km/h
Reverse - 5th 15.4 mile/h / 24.8 km/h
Reverse - 6th 22.4 mile/h / 36.1 km/h
Service Refill
Fuel Capacity 100 gal (US) / 378 l
Cooling System 12.9 gal (US) / 49 l
Hydraulic System - Tank 16.9 gal (US) / 64 l
Engine Oil 7.9 gal (US) / 30 l
Transmission - Differential - Final Drives 16.5 gal (US) / 62.5 l
Tandem Housing - Each 15.6 gal (US) / 59 l
Front Wheel Spindle Bearing Housing 0.13 gal (US) / 0.5 l
Circle Drive Housing 1.8 gal (US) / 7 l
Frame
Drawbar - Width 3 in / 76.2 mm
Circle - Diameter 60.2 in / 1530 mm
Circle - Blade Beam Thickness 1.4 in / 35 mm
Drawbar - Height 6 in / 152 mm
Front Frame Structure - Height 11 in / 280 mm
Front Frame Structure - Width 8 in / 204 mm
Drawbar - Thickness 0.4 in / 9.5 mm
Front-Top/Bottom Plate - Width 10 in / 255 mm
Front-Top/Bottom Plate - Thickness 0.87 in / 22 mm
Front Axle - Height to Center 22.5 in / 572 mm
Front Axle - Wheel Lean - Left/Right 18°
Front Axle - Total Oscillation per Side 32°
Tandems
Height 19.8 in / 502 mm
Width 6.8 in / 172 mm
Sidewall Thickness - Inner 0.5 in / 14 mm
Sidewall Thickness - Outer 0.6 in / 16 mm
Drive Chain Pitch 1.8 in / 44.5 mm
Wheel Axle Spacing 59.5 in / 1510 mm
Tandem Oscillation - Front Up 15°
Tandem Oscillation - Front Down 25°
Moldboard
Blade Width 12 ft / 3.7 m
Moldboard - Height 24 in / 610 mm
Moldboard - Thickness 0.87 in / 22 mm
Arc Radius 16.3 in / 413 mm
Throat Clearance 4.9 in / 123.9 mm
Cutting Edge Width 6 in / 152 mm
Cutting Edge Thickness 0.6 in / 16 mm
End Bit - Width 6 in / 152 mm
End Bit - Thickness 0.6 in / 16 mm
Blade Pull - Base GVW 23737 lb / 10767 kg
Blade Pull - Maximum GVW 29980 lb / 13599 kg
Blade Down Pressure - Base GVW 15030 lb / 6818 kg
Blade Down Pressure - Maximum GVW 27235 lb / 12354 kg
Blade Range
Circle Centershift - Right 25.8 in / 656 mm
Circle Centershift - Left 25.8 in / 656 mm
Moldboard Sideshift - Right 26 in / 660 mm
Moldboard Sideshift - Left 20.1 in / 510 mm
Maximum Blade Position Angle 90°
Blade Tip Range - Forward 40°
Blade Tip Range - Backward
Maximum Lift Above Ground 16.8 in / 427 mm
Maximum Depth of Cut 28.3 in / 720 mm
Maximum Shoulder Reach Outside of Tires - Left 68.6 in / 1742 mm
Maximum Shoulder Reach Outside of Tires - Right 75 in / 1905 mm
Ripper
Ripper Shank Holder Spacing 21 in / 534 mm
Ripping Depth - Maximum 8.9 in / 226.5 mm
Ripper Shank Holders 5
Penetration Force 17692 lb / 8024 kg
Pry-Out Force 5660 lb / 2567 kg
Machine Length Increase, Beam Raised 41.5 in / 1053 mm
Scarifier
Front, V-Type - Working Width 47.4 in / 1205 mm
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing 4.6 in / 116 mm
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 / 467 mm
Front, V-Type, 5 or 11 Tooth - Working Width 40.6 in / 1031 mm
Mid, Straight - Ripping Depth, Maximum 12.5 in / 317 mm
Mid, Straight - Scarifier Shank Holder Spacing 4.4 in / 111 mm
Mid, Straight - Scarifier Shank Holders 17
Mid, Straight - Scarifying Depth, Maximum 16.8 in / 426 mm
Mid, Straight - Working Width 71 in / 1800 mm
Mid, V-Type - Scarifier Shank Holder Spacing 4.6 in / 116 mm
Mid, V-Type - Scarifier Shank Holders 11
Mid, V-Type - Scarifying Depth, Maximum 11.5 in / 292 mm
Mid, V-Type - Working Width 46.6 in / 1184 mm
Weights
Operating Weight - Typically Equipped 39892 lb / 18095 kg
Gross Vehicle Weight - Maximum - Rear Axle 33312 lb / 15110 kg
Gross Vehicle Weight - Base - Front Axle 8651 lb / 3924 kg
Gross Vehicle Weight - Base - Rear Axle 26374 lb / 11963 kg
Gross Vehicle Weight - Maximum - Total 48987 lb / 22220 kg
Gross Vehicle Weight - Base - Total 35025 lb / 15887 kg
Gross Vehicle Weight - Maximum - Front Axle 15675 lb / 7110 kg
Operating Weight - Typically Equipped - Front Axle 10563 lb / 4791 kg
Operating Weight - Typically Equipped - Rear Axle 29329 lb / 13304 kg
Operating Weight - Typically Equipped - Total 39892 lb / 18095 kg
Standards
Brakes ISO 3450
ROPS/FOPS ISO 3471/ISO 3449
Sound ISO 6394; ISO 6395
Steering ISO 5010
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.
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 / -20 mm
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6 -0.6 in / -15 mm
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11 4.1 in / 103 mm
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13 7.6 in / 192 mm
Note Dimension changes may vary by brand/type and inflation of tires.

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
    • S•O•SSM 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
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