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12M3 AWD Motor Grader

12M3 AWD Motor Grader

At a Glance

Base Power (1st Gear) - Net
179 HP
Operating Weight - Typically Equipped
44614 lb
Blade Width
12 ft
Engine Model
Cat® C9.3 ACERT™
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Overview

The 12M3 AWD gives you the muscle you need for everyday jobs, and helps you get more done in ground conditions where traction can be a challenge. M Series 3 Motor Graders meet U.S. EPA Tier 4 Final/EU Stage V emission standards.

Engine

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Base Power (1st Gear) - Net 179HP
Engine Model Cat® C9.3 ACERT™
Bore 4.5in
Stroke 5.9in
Speed at Rated Power 2,000 rpm
AWD Off: Gear - Net Power - Forward - 1st 189HP
AWD Off: Gear - Net Power - Forward - 2nd 200HP
AWD Off: Gear - Net Power - Forward - 3rd 210HP
AWD Off: Gear - Net Power - Forward - 4th 215HP
AWD Off: Gear - Net Power - Forward - 5th 220HP
AWD Off: Gear - Net Power - Forward - 6th 225HP
AWD Off: Gear - Net Power - Forward - 7th 231HP
AWD Off: Gear - Net Power - Forward - 8th 231HP
AWD Off: Gear - Net Power - Reverse - 1st 179HP
AWD Off: Gear - Net Power - Reverse - 2nd 189HP
AWD Off: Gear - Net Power - Reverse - 3rd-6th 200HP
AWD On: Gear - Net Power - Forward - 1st 200HP
AWD On: Gear - Net Power - Forward - 2nd 220HP
AWD On: Gear - Net Power - Forward - 3rd 225HP
AWD On: Gear - Net Power - Forward - 4th 231HP
AWD On: Gear - Net Power - Forward - 5th 252HP
AWD On: Gear - Net Power - Forward - 6th 252HP
AWD On: Gear - Net Power - Forward - 7th 252HP
AWD On: Gear - Net Power - Forward - 8th 252HP
AWD On: Gear - Net Power - Reverse - 1st 179HP
AWD On: Gear - Net Power - Reverse - 2nd 189HP
AWD On: Gear - Net Power - Reverse - 3rd-6th 200HP
AWD Range - Net 141-188 kW (189-252 hp)
AWD Range - Net - Metric 141-188 kW (192-255 hp)
Base Power (1st Gear) - Net - Metric 181HP
Maximum Torque - AWD On 920lb/ft
VHP Plus - Gear - Net Power - Forward 8th 231HP
VHP Plus - Gear - Net Power - Reverse 1st 179HP
VHP Plus - Gear - Net Power - Reverse 2nd 189HP
VHP Plus - Gear - Net Power - Reverse 3rd-6th 200HP
Emissions U.S. EPA Tier 4 Final/EU Stage IV
High Ambient - Fan Speed - Standard 1,400 rpm
Maximum Torque - VHP Plus 840lb/ft
Standard Capability 109°F
Torque Rise 38%
VHP Plus - Gear - Net Power - Forward 1st 179HP
VHP Plus - Gear - Net Power - Forward 2nd 189HP
VHP Plus - Gear - Net Power - Forward 3rd 200HP
VHP Plus - Gear - Net Power - Forward 4th 210HP
VHP Plus - Gear - Net Power - Forward 5th 215HP
VHP Plus - Gear - Net Power - Forward 6th 220HP
VHP Plus - Gear - Net Power - Forward 7th 225HP
VHP Plus Range - Net 133-172 kW (179-231 hp)
VHP Plus Range - Net - Metric 133-172 kW (181-234 hp)
Displacement 567.5in³
Number of Cylinders 6
Derating Altitude 10000ft
High Ambient - Fan Speed - Maximum 1,550 rpm
High Ambient - Fan Speed - Minimum 500 rpm
High - Ambient Capability 122°F

Weights

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Operating Weight - Typically Equipped 44614lb

Moldboard

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Blade Width 12ft
Moldboard - Height 24in
Moldboard - Thickness 0.87in
Arc Radius 16.3in
Throat Clearance 6.5in
Cutting Edge Width 6in
Cutting Edge Thickness 0.6in
End Bit - Width 6in
End Bit - Thickness 0.6in
Blade Pull - Base GVW - AWD 35649lb
Blade Pull - Maximum GVW - AWD 49630lb
Blade Down Pressure - Base GVW - AWD 17970lb
Blade Down Pressure - Maximum GVW - AWD 29309lb
Moldboard - Blade Width 12ft

Operating Specifications

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Top Speed - Forward 29mile/h
Top Speed - Reverse 23mile/h
Turning Radius - Outside Front Tires 25.59ft
Steering Range - Left/Right 50°
Articulation Angle - Left/Right 20°
Forward - 1st 2.5mile/h
Forward - 2nd 3.4mile/h
Forward - 3rd 5mile/h
Forward - 4th 6.9mile/h
Forward - 5th 10.6mile/h
Forward - 6th 14.5mile/h
Forward - 7th 19.9mile/h
Forward - 8th 29mile/h
Reverse - 1st 2mile/h
Reverse - 2nd 3.7mile/h
Reverse - 3rd 5.4mile/h
Reverse - 4th 8.4mile/h
Reverse - 5th 15.7mile/h
Reverse - 6th 23mile/h

Service Refill

+ -
Fuel Capacity 104gal (US)
Cooling System 15gal (US)
Hydraulic System - Total 26.4gal (US)
Hydraulic System - Tank 16.9gal (US)
Transmission - Differential - Final Drives 18.5gal (US)
Diesel Exhaust Fluid 5.8gal (US)
Engine Oil 7.9gal (US)
Tandem Housing - Each 20gal (US)
Front Wheel Spindle Bearing Housing 0.13gal (US)
Circle Drive Housing 1.8gal (US)

Power Train

+ -
Forward/Reverse Gears 8 Forward/6 Reverse
Transmission APECS, Direct Drive, Powershift
Brakes - Service Multiple Oil Disc
Brakes - Service - Surface Area 3565in²
Brakes - Parking Multiple Oil Disc
Brakes - Secondary Dual Circuit

Hydraulic System

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Circuit Type Parallel
Pump Type Variable Piston
Pump Output 55.7gal/min
Maximum System Pressure 3500psi
Reservoir Tank Capacity 16.9gal (US)
Standby Pressure 885psi

Frame

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Drawbar - Width 3in
Circle - Diameter 60.2in
Circle - Blade Beam Thickness 1.6in
Drawbar - Height 6in
Front Frame Structure - Height 12.6in
Front Frame Structure - Width 12in
Circle - Height 5.4in
Drawbar - Thickness 0.5in
Front-Top/Bottom Plate - Width 12in
Front-Top/Bottom Plate - Thickness 0.87in
Front Axle - Height to Center 23.5in
Front Axle - Wheel Lean - Left/Right 18°
Front Axle - Total Oscillation per Side 32°

Blade Range

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Circle Centershift - Right 28.7in
Circle Centershift - Left 27.4in
Moldboard Sideshift - Right 26in
Moldboard Sideshift - Left 20.1in
Maximum Blade Position Angle 90°
Blade Tip Range - Forward 40°
Blade Tip Range - Backward
Maximum Lift Above Ground 18.9in
Maximum Depth of Cut 28.1in
Maximum Shoulder Reach Outside of Tires - Right 77.9in
Maximum Shoulder Reach Outside of Tires - Left 70.5in

Standards

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Brakes ISO 3450
ROPS/FOPS ISO 3471/ISO 3499
Sound ISO 6394; ISO 6395
Steering ISO 5010

Scarifier

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Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing 4.6in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders 5/11
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum 18.4in
Front, V-Type, 5 or 11 Tooth - Working Width 40.6in
Front, V-Type - Working Width 47.4in
Mid, V-Type - Scarifier Shank Holders 11
Mid, V-Type - Scarifier Shank Holder Spacing 4.6in
Mid, V-Type - Scarifying Depth, Maximum 11.5in
Mid, V-Type - Working Width 46.6in
Rear - Scarifying Depth, Maximum 16.8in
Rear - Working Width 84in
Rear - Scarifier Shank Holders 9
Rear - Scarifier Shank Holder Spacing 10.5in

Ripper

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Ripping Depth - Maximum 16.8in
Ripper Shank Holder Spacing 21in
Ripper Shank Holders 5
Penetration Force 20812lb
Pry-Out Force 27794lb
Machine Length Increase, Beam Raised 40.6in

Weights - AWD

+ -
Gross Vehicle Weight - Base - Front Axle 10469lb
Gross Vehicle Weight - Base - Rear Axle 29140lb
Gross Vehicle Weight - Base - Total 39609lb
Gross Vehicle Weight - Maximum - Front Axle 17075lb
Gross Vehicle Weight - Maximum - Rear Axle 38069lb
Gross Vehicle Weight - Maximum - Total 55144lb
Operating Weight - Typically Equipped - Front Axle 13107lb
Operating Weight - Typically Equipped - Rear Axle 31507lb
Operating Weight - Typically Equipped - Total 44614lb

Tandems

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Height 19.9in
Width 7.9in
Sidewall Thickness - Inner 0.63in
Sidewall Thickness - Outer 0.71in
Drive Chain Pitch 2in
Wheel Axle Spacing 60in
Tandem Oscillation - Front Up 15°
Tandem Oscillation - Front Down 25°

Dimensions

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Height - Top of Cab 130in
Length - Counterweight to Ripper 399in
Width - Outside Front Tires 98.9in
Length - Front Axle to Mid Tandem 241in
Length - Front Tire to Rear of Machine 351in
Length - Front Axle to Moldboard 100in
Length - Between Tandem Axles 60in
Width - Outside Rear Tires 98.9in
Width - Tire Center Lines 84.3in
Height - Front Axle Center 23.5in
Height - Exhaust Stack 128in
Height - Top of Cylinders 120in
Ground Clearance - Rear Axle 13.3in