12M3/12M3 AWD

Heavy Equipment

12M3/12M3 AWD

Base Power (1st Gear) - Net
179 HP / 133 kW
Operating Weight - Typically Equipped
42647 lb / 19344 kg
Blade Width
12 ft / 3.7 m

Reduce your carbon footprint with the latest in emissions reduction technology with the durable M Series 3 motor grader. The 12M3 motor grader unites comfortability and productivity to get optimal performance on the jobsite. Get the best visibility with angled cab doors, tapered engine enclosure, and sloped rear window.

Engine
Base Power (1st Gear) - Net 179 HP / 133 kW
Engine Model Cat® C9.3 ACERT™
Bore 4.5 in / 115 mm
Stroke 5.9 in / 149 mm
Speed at Rated Power 2,000 rpm
Base Power (1st Gear) - Net - Metric 181 HP / 133 kW
Emissions U.S. EPA Tier 4 Final/EU Stage IV
High Ambient - Fan Speed - Standard 1,400 rpm
Maximum Torque - VHP Plus 840 lb/ft / 1138 N·m
Standard Capability 109 °F / 43 °C
Torque Rise 38%
VHP Plus - Gear - Net Power - Forward 1st 179 HP / 133 kW
VHP Plus - Gear - Net Power - Forward 2nd 189 HP / 141 kW
VHP Plus - Gear - Net Power - Forward 3rd 200 HP / 149 kW
VHP Plus - Gear - Net Power - Forward 4th 210 HP / 156 kW
VHP Plus - Gear - Net Power - Forward 5th 215 HP / 160 kW
VHP Plus - Gear - Net Power - Forward 6th 220 HP / 164 kW
VHP Plus - Gear - Net Power - Forward 7th 225 HP / 168 kW
VHP Plus - Gear - Net Power - Forward 8th 231 HP / 172 kW
VHP Plus - Gear - Net Power - Reverse 1st 179 HP / 133 kW
VHP Plus - Gear - Net Power - Reverse 2nd 189 HP / 141 kW
VHP Plus - Gear - Net Power - Reverse 3rd-6th 200 HP / 149 kW
VHP Plus Range - Net 133-172 kW (179-231 hp)
VHP Plus Range - Net - Metric 133-172 kW (181-234 hp)
Displacement 567.5 in³ / 9.3 l
Number of Cylinders 6
Derating Altitude 10000 ft / 3050 m
High Ambient - Fan Speed - Maximum 1,550 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 APECS, 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 16.9 gal (US) / 64 l
Standby Pressure 885 psi / 6100 kPa
Operating Specifications
Top Speed - Forward 29 mile/h / 46.6 km/h
Top Speed - Reverse 23 mile/h / 36.8 km/h
Turning Radius - Outside Front Tires 25.59 ft / 7.8 m
Steering Range - Left/Right 50°
Articulation Angle - Left/Right 20°
Forward - 1st 2.5 mile/h / 4.1 km/h
Forward - 2nd 3.4 mile/h / 5.5 km/h
Forward - 3rd 5 mile/h / 8 km/h
Forward - 4th 6.9 mile/h / 11 km/h
Forward - 5th 10.6 mile/h / 17.1 km/h
Forward - 6th 14.5 mile/h / 23.3 km/h
Forward - 7th 19.9 mile/h / 32 km/h
Forward - 8th 29 mile/h / 46.6 km/h
Reverse - 1st 2 mile/h / 3.2 km/h
Reverse - 2nd 3.7 mile/h / 6 km/h
Reverse - 3rd 5.4 mile/h / 8.7 km/h
Reverse - 4th 8.4 mile/h / 13.5 km/h
Reverse - 5th 15.7 mile/h / 25.3 km/h
Reverse - 6th 23 mile/h / 36.8 km/h
Service Refill
Fuel Capacity 104 gal (US) / 394 l
Cooling System 15 gal (US) / 57 l
Hydraulic System - Total 26.4 gal (US) / 100 l
Hydraulic System - Tank 16.9 gal (US) / 64 l
Diesel Exhaust Fluid 5.8 gal (US) / 22 l
Transmission - Differential - Final Drives 18.5 gal (US) / 70 l
Engine Oil 7.9 gal (US) / 30 l
Tandem Housing - Each 20 gal (US) / 76 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 1.6 in / 40 mm
Drawbar - Height 6 in / 152 mm
Circle - Height 5.4 in / 138 mm
Front Frame Structure - Height 12.6 in / 321 mm
Front Frame Structure - Width 12 in / 305 mm
Drawbar - Thickness 0.5 in / 12.7 mm
Front-Top/Bottom Plate - Width 12 in / 305 mm
Front-Top/Bottom Plate - Thickness 0.87 in / 22 mm
Front Axle - Height to Center 23.5 in / 596 mm
Front Axle - Wheel Lean - Left/Right 18°
Front Axle - Total Oscillation per Side 32°
Tandems
Height 19.9 in / 506 mm
Width 7.9 in / 201 mm
Sidewall Thickness - Inner 0.63 in / 16 mm
Sidewall Thickness - Outer 0.71 in / 18 mm
Drive Chain Pitch 2 in / 50.8 mm
Wheel Axle Spacing 60 in / 1523 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 6.5 in / 166 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 25269 lb / 11462 kg
Blade Pull - Maximum GVW 34262 lb / 15541 kg
Blade Down Pressure - Base GVW 16038 lb / 7275 kg
Blade Down Pressure - Maximum GVW 29309 lb / 13294 kg
Moldboard - Blade Width 12 ft / 3.7 m
Blade Range
Circle Centershift - Right 28.7 in / 728 mm
Circle Centershift - Left 27.4 in / 695 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 Shoulder Reach Outside of Tires - Right 77.9 in / 1978 mm
Maximum Shoulder Reach Outside of Tires - Left 70.5 in / 1790 mm
Maximum Lift Above Ground 18.9 in / 480 mm
Maximum Depth of Cut 28.1 in / 715 mm
Ripper
Ripper Shank Holder Spacing 21 in / 533 mm
Ripping Depth - Maximum 16.8 in / 426 mm
Ripper Shank Holders 5
Penetration Force 20812 lb / 9440 kg
Pry-Out Force 27794 lb / 12607 kg
Machine Length Increase, Beam Raised 40.6 in / 1031 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, 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
Rear - Scarifying Depth, Maximum 16.8 in / 426 mm
Rear - Working Width 84 in / 2133 mm
Rear - Scarifier Shank Holders 9
Rear - Scarifier Shank Holder Spacing 10.5 in / 267 mm
Weights
Operating Weight - Typically Equipped 42647 lb / 19344 kg
Gross Vehicle Weight - Maximum - Front Axle 17075 lb / 7745 kg
Gross Vehicle Weight - Maximum - Rear Axle 38069 lb / 17268 kg
Operating Weight - Typically Equipped - Front Axle 12055 lb / 5468 kg
Operating Weight - Typically Equipped - Rear Axle 30592 lb / 13876 kg
Gross Vehicle Weight - Base - Front Axle 9343 lb / 4238 kg
Gross Vehicle Weight - Base - Rear Axle 28077 lb / 12736 kg
Gross Vehicle Weight - Maximum - Total 55144 lb / 25013 kg
Gross Vehicle Weight - Base - Total 37420 lb / 16974 kg
Operating Weight - Typically Equipped - Total 42647 lb / 19344 kg
Dimensions
Height - Top of Cab 130 in / 3308 mm
Length - Counterweight to Ripper 399 in / 10136 mm
Width - Outside Front Tires 98.9 in / 2511 mm
Length - Front Axle to Mid Tandem 241 in / 6123 mm
Length - Front Tire to Rear of Machine 351 in / 8912 mm
Length - Front Axle to Moldboard 100 in / 2552 mm
Length - Between Tandem Axles 60 in / 1523 mm
Width - Outside Rear Tires 98.9 in / 2511 mm
Width - Tire Center Lines 84.3 in / 2140 mm
Height - Front Axle Center 23.5 in / 596 mm
Height - Exhaust Stack 128 in / 3256 mm
Height - Top of Cylinders 120 in / 3040 mm
Ground Clearance - Rear Axle 13.3 in / 339 mm
Standards
Brakes ISO 3450
ROPS/FOPS ISO 3471/ISO 3499
Sound ISO 6394; ISO 6395
Steering ISO 5010

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
    • Diesel exhaust fluid tank, 22.0 L (5.8 gal) ground level access, and sediment drain
    • Differential Lock/Unlock, Automatic
    • Drain, engine oil, ecology
    • Economy mode
    • Electronic over speed protection
    • Engine, C9.3 with ACERT Technology, U.S. EPA Tier 4 Final/EU Stage IV emission standards
    • Fuel tank, 394 L (104 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, powershift, direct drive, Advanced Productivity Electronic Control Strategy (APECS)
  • ELECTRICAL
    • Alarm, back up
    • Alternator, 150 ampere, sealed
    • Batteries, maintenance free, heavy duty, 1125 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
    • Starter, electric
  • OPERATOR ENVIRONMENT
    • Accelerator
    • Air conditioning with heater
    • Arm and wrist rest, electronically adjustable
    • Articulation, automatic Return-to-Center
    • 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, DEF
    • 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 - door with intermittent wipers (3)
    • Windows: tempered: - left and right side wipers - rear and intermittent wiper
  • 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
    • 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·S? ports: engine, hydraulic, transmission, coolant, fuel
    • Tandem walkway/guards
    • Tool box

Optional Equipment

  • ELECTRICAL
    • Alternator, 280 ampere
    • Batteries: extreme duty, 1,400 CCA
    • 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
    • Articulation guard
    • Fenders, front
    • Fenders, rear
    • Front axle guard
    • Sound suppression (bottom)
    • Sound suppression (enclosure)
    • Transmission
  • OPERATOR ENVIRONMENT
    • Mirrors, outside: heated 24V
    • Mirrors, outside: mounted
    • Comfort Plus Arrangement
    • Comfort Premium Arrangement
  • POWER TRAIN
    • All Wheel Drive
    • Precleaner, snow
    • Starter, extreme duty, 1,000 Amps
    • Transmission, autoshift
  • OTHER ATTACHMENTS
    • AccuGrade ARO
    • Integrated cross slope
    • Accumulators, blade lift
    • Camera, rearview
    • Cat Product Link 321SR
    • Cat Product Link 522
    • Drain, ecology, engine Wiggins
    • 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
    • Starting aid, ether
    • Reversing fan, automatic or manual
  • WORK TOOLS/G.E.T.
    • Blade extension, left hand, 610 mm (2 ft)
    • Blade extension, right hand, 610 mm (2 ft)
    • Counterweight
    • Cutting edges, curved
    • Endbits, overlay
    • Front lift group, mounting
    • Front lift group, mechanical
    • Grader bit, narrow and super penetration
    • Mid-Mount Scarifier, Package
    • 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
    • Ripper, rear
    • Ripper tooth
    • Scarifier, front
    • Snow Arrangement
    • Snow Wing Ready Package
    • Tow hitch
  • MACHINE ARRANGEMENTS
    • Canadian Arrangement
    • European Arrangement
    • TUV Roading Arrangement
  • OPTIONAL TIRE ARRANGEMENTS
    • Rim Size - 9 × 24; Wheel Group - Single-Piece; Tires - 14.0R24
    • Rim Size - 13 × 25; Wheel Group - Single-Piece; Tires - 17.5R25
    • Rim Size - 10 × 24; Wheel Group - Multi-Piece; Tires - 14.0R24
    • Rim Size - 10 × 24; Wheel Group - Multi-Piece; Tires - 14.0-24
    • Rim Size - 14 × 25; Wheel Group - Multi-Piece; Tires - 17.5R25
    • Rim Size - 14 × 25; Wheel Group - Multi-Piece; Tires - 17.5-25
    • Note: Consult your dealer for individual tire width, size and brand.
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