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120M2

Operator Station

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Steering and Implement Controls

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Emissions Technology

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Engine

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Power Train

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Structures and DCM

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“Smart” Machine Systems

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Integrated Technologies

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Hydraulics

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Work Tools and Attachments

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Safety

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Customer Support

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Sustainability

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120M2 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

120M2 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

Select Units

Overview

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 145.0 HP 108.0 kW
  • Engine Model Cat® C7.1 ACERT™ Cat® C7.1 ACERT™
  • Bore 4.13 in 105.0 mm
  • Stroke 5.31 in 135.0 mm
  • Speed at Rated Power 2,100 rpm 2,100 rpm
  • Base Power (1st Gear) - Net - Metric 147.0 HP 108.0 kW
  • Base Power (All Gears) - Net 145.0 HP 108.0 kW
  • Emissions Tier 4 Interim/Stage IIIB equivalent Tier 4 Interim/Stage IIIB equivalent
  • High Ambient - Fan Speed - Standard 1,000 rpm 1,000 rpm
  • Maximum Torque 693.0 lb/ft 939.0 N·m
  • Standard Capability 109.0 °F 43.0 °C
  • Torque Rise 45% 45%
  • VHP Plus - Gear 1F, Net 145.0 HP 108.0 kW
  • VHP Plus - Gear 2F, Net 153.0 HP 114.0 kW
  • VHP Plus - Gear 3F, Net 161.0 HP 120.0 kW
  • VHP Plus - Gear 4F, Net 169.0 HP 126.0 kW
  • VHP Plus - Gear 5F, Net 174.0 HP 130.0 kW
  • VHP Plus - Gear 6F, Net 179.0 HP 134.0 kW
  • VHP Plus - Gear 7F, Net 184.0 HP 137.0 kW
  • VHP Plus - Gear 8F, Net 189.0 HP 141.0 kW
  • VHP Plus Range - Net 108-141 kW (145-189 hp) 108-141 kW (145-189 hp)
  • VHP Plus Range - Net - Metric 108-141 kW (147-192 hp) 108-141 kW (147-192 hp)
  • Displacement 428.0 in³ 7.01 l
  • Number of Cylinders 6 6
  • Derating Altitude 10000.0 ft 3048.0 m
  • High Ambient - Fan Speed - Maximum 1,350 rpm 1,350 rpm
  • High Ambient - Fan Speed - Minimum 500 rpm 500 rpm
  • High - Ambient Capability 122.0 °F 50.0 °C

Power Train

  • Forward/Reverse Gears 8 Forward/6 Reverse 8 Forward/6 Reverse
  • Transmission Direct Drive, Powershift Direct Drive, Powershift
  • Brakes - Service Multiple Oil Disc Multiple Oil Disc
  • Brakes - Service - Surface Area 3565.0 in² 23000.0 cm²
  • Brakes - Parking Multiple Oil Disc Multiple Oil Disc
  • Brakes - Secondary Dual Circuit Dual Circuit

Hydraulic System

  • Circuit Type Parallel Parallel
  • Pump Type Variable Piston Variable Piston
  • Pump Output 55.7 gal/min 210.0 l/min
  • Maximum System Pressure 3500.0 psi 24150.0 kPa
  • Reservoir Tank Capacity 15.85 gal (US) 60.0 l
  • Standby Pressure 609.0 psi 4200.0 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° 47.5°
  • Articulation Angle - Left/Right 20° 20°
  • Forward - 1st 2.5 mile/h 4.0 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 100.0 gal (US) 378.0 l
  • Cooling System 12.9 gal (US) 49.0 l
  • Hydraulic System - Tank 16.9 gal (US) 64.0 l
  • Engine Oil 7.9 gal (US) 30.0 l
  • Transmission - Differential - Final Drives 16.5 gal (US) 62.5 l
  • Tandem Housing - Each 15.6 gal (US) 59.0 l
  • Front Wheel Spindle Bearing Housing 0.13 gal (US) 0.5 l
  • Circle Drive Housing 1.8 gal (US) 7.0 l

Frame

  • Drawbar - Width 3.0 in 76.2 mm
  • Circle - Diameter 60.2 in 1530.0 mm
  • Circle - Blade Beam Thickness 1.4 in 35.0 mm
  • Drawbar - Height 6.0 in 152.0 mm
  • Front Frame Structure - Height 11.0 in 280.0 mm
  • Front Frame Structure - Width 8.0 in 204.0 mm
  • Drawbar - Thickness 0.4 in 9.5 mm
  • Front-Top/Bottom Plate - Width 10.0 in 255.0 mm
  • Front-Top/Bottom Plate - Thickness 0.87 in 22.0 mm
  • Front Axle - Height to Center 22.5 in 572.0 mm
  • Front Axle - Wheel Lean - Left/Right 18° 18°
  • Front Axle - Total Oscillation per Side 32° 32°

Tandems

  • Height 19.8 in 502.0 mm
  • Width 6.8 in 172.0 mm
  • Sidewall Thickness - Inner 0.5 in 14.0 mm
  • Sidewall Thickness - Outer 0.6 in 16.0 mm
  • Drive Chain Pitch 1.8 in 44.5 mm
  • Wheel Axle Spacing 59.5 in 1510.0 mm
  • Tandem Oscillation - Front Up 15° 15°
  • Tandem Oscillation - Front Down 25° 25°

Moldboard

  • Blade Width 12.0 ft 3.7 m
  • Moldboard - Height 24.0 in 610.0 mm
  • Moldboard - Thickness 0.87 in 22.0 mm
  • Arc Radius 16.3 in 413.0 mm
  • Throat Clearance 4.9 in 123.9 mm
  • Cutting Edge Width 6.0 in 152.0 mm
  • Cutting Edge Thickness 0.6 in 16.0 mm
  • End Bit - Width 6.0 in 152.0 mm
  • End Bit - Thickness 0.6 in 16.0 mm
  • Blade Pull - Base GVW 23737.0 lb 10767.0 kg
  • Blade Pull - Maximum GVW 29980.0 lb 13599.0 kg
  • Blade Down Pressure - Base GVW 15030.0 lb 6818.0 kg
  • Blade Down Pressure - Maximum GVW 27235.0 lb 12354.0 kg

Blade Range

  • Circle Centershift - Right 25.8 in 656.0 mm
  • Circle Centershift - Left 25.8 in 656.0 mm
  • Moldboard Sideshift - Right 26.0 in 660.0 mm
  • Moldboard Sideshift - Left 20.1 in 510.0 mm
  • Maximum Blade Position Angle 90° 90°
  • Blade Tip Range - Forward 40° 40°
  • Blade Tip Range - Backward
  • Maximum Lift Above Ground 16.8 in 427.0 mm
  • Maximum Depth of Cut 28.3 in 720.0 mm
  • Maximum Shoulder Reach Outside of Tires - Left 68.6 in 1742.0 mm
  • Maximum Shoulder Reach Outside of Tires - Right 75.0 in 1905.0 mm

Ripper

  • Ripper Shank Holder Spacing 21.0 in 534.0 mm
  • Ripping Depth - Maximum 8.9 in 226.5 mm
  • Ripper Shank Holders 5 5
  • Penetration Force 17692.0 lb 8024.0 kg
  • Pry-Out Force 5660.0 lb 2567.0 kg
  • Machine Length Increase, Beam Raised 41.5 in 1053.0 mm

Scarifier

  • Front, V-Type - Working Width 47.4 in 1205.0 mm
  • Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing 4.6 in 116.0 mm
  • Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders 5/11 5/11
  • Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum 18.4 in 467.0 mm
  • Front, V-Type, 5 or 11 Tooth - Working Width 40.6 in 1031.0 mm
  • Mid, Straight - Ripping Depth, Maximum 12.5 in 317.0 mm
  • Mid, Straight - Scarifier Shank Holder Spacing 4.4 in 111.0 mm
  • Mid, Straight - Scarifier Shank Holders 17 17
  • Mid, Straight - Scarifying Depth, Maximum 16.8 in 426.0 mm
  • Mid, Straight - Working Width 71.0 in 1800.0 mm
  • Mid, V-Type - Scarifier Shank Holder Spacing 4.6 in 116.0 mm
  • Mid, V-Type - Scarifier Shank Holders 11 11
  • Mid, V-Type - Scarifying Depth, Maximum 11.5 in 292.0 mm
  • Mid, V-Type - Working Width 46.6 in 1184.0 mm

Weights

  • Operating Weight - Typically Equipped 39892.0 lb 18095.0 kg
  • Gross Vehicle Weight - Maximum - Rear Axle 33312.0 lb 15110.0 kg
  • Gross Vehicle Weight - Base - Front Axle 8651.0 lb 3924.0 kg
  • Gross Vehicle Weight - Base - Rear Axle 26374.0 lb 11963.0 kg
  • Gross Vehicle Weight - Maximum - Total 48987.0 lb 22220.0 kg
  • Gross Vehicle Weight - Base - Total 35025.0 lb 15887.0 kg
  • Gross Vehicle Weight - Maximum - Front Axle 15675.0 lb 7110.0 kg
  • Operating Weight - Typically Equipped - Front Axle 10563.0 lb 4791.0 kg
  • Operating Weight - Typically Equipped - Rear Axle 29329.0 lb 13304.0 kg
  • Operating Weight - Typically Equipped - Total 39892.0 lb 18095.0 kg

Standards

  • Brakes ISO 3450 ISO 3450
  • ROPS/FOPS ISO 3471/ISO 3449 ISO 3471/ISO 3449
  • Sound ISO 6394; ISO 6395 ISO 6394; ISO 6395
  • Steering ISO 5010 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. 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 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 -20.0 mm
  • 17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6 -0.6 in -15.0 mm
  • 17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11 4.1 in 103.0 mm
  • 17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13 7.6 in 192.0 mm
  • Note Dimension changes may vary by brand/type and inflation of tires. Dimension changes may vary by brand/type and inflation of tires.
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