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Motor Graders

12M

Overview

Designed for maximum operator comfort, the Cat® 12M optimizes operational efficiency and productivity. Get the work done with the M Series Motor graders. With ease of operation and service, get the most out of your investment to build and maintain roads.

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    • Engine
      Base Power (1st Gear) - Net 136 kW
      Base Power (1st Gear) - Net - Metric 136 kW
      Bore 110 mm
      Derating Altitude 3048 m
      Displacement 7.2 l
      Engine Model Cat C7 ACERTâ„¢
      High - Ambient Capability 50 °C
      High Ambient - Fan Speed - Maximum 1,650 rpm
      High Ambient - Fan Speed - Minimum 600 rpm
      Maximum Torque - VHP Plus 1052 N·m
      Number of Cylinders 6
      Speed at Rated Power 2,000 rpm
      Standard - Ambient Capability 43 °C
      Standard - Fan Speed - Maximum 1,450 rpm
      Standard - Fan Speed - Minimum 600 rpm
      Stroke 127 mm
      Torque Rise - VHP Plus 39%
      VHP Plus Range - Net 136-159 kW (183-213 hp)
      VHP Plus Range - Net - Metric 136-159 kW (186-216 hp)
    • Moldboard
      Arc Radius 413 mm
      Blade Pull - Base GVW 10810 kg
      Blade Pull - Maximum GVW 13685 kg
      Blade Width 3.7 m
      Cutting Edge Thickness 16 mm
      Cutting Edge Width 152 mm
      Down Pressure - Base GVW 7244 kg
      Down Pressure - Maximum GVW 11739 kg
      End Bit - Thickness 16 mm
      End Bit - Width 152 mm
      Height 610 mm
      Thickness 22 mm
      Throat Clearance 166 mm
      Width 3.7 m
    • Blade Range
      Blade Tip Range - Backward 5 degrees
      Blade Tip Range - Forward 40 degrees
      Circle Centershift - Left 695 mm
      Circle Centershift - Right 728 mm
      Maximum Blade Position Angle 90 degrees
      Maximum Depth of Cut 715 mm
      Maximum Lift Above Ground 480 mm
      Maximum Shoulder Reach Outside of Tires - Left 1790 mm
      Maximum Shoulder Reach Outside of Tires - Right 1978 mm
      Moldboard Sideshift - Left 510 mm
      Moldboard Sideshift - Right 660 mm
    • Ripper
      Machine Length Increase, Beam Raised 919 mm
      Penetration Force 9199 kg
      Pry-Out Force 11641 kg
      Ripper Shank Holder Spacing 533 mm
      Ripper Shank Holders 5
      Ripping Depth - Maximum 428 mm
    • Scarifier
      Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing 116 mm
      Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders 5/11
      Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum 467 mm
      Front, V-Type, 5 or 11 Tooth - Working Width 1205 mm
      Mid, V-Type - Scarifier Shank Holder Spacing 116 mm
      Mid, V-Type - Scarifier Shank Holders 11
      Mid, V-Type - Scarifying Depth, Maximum 292 mm
      Mid, V-Type - Working Width 1184 mm
      Rear - Scarifier Shank Holder Spacing 267 mm
      Rear - Scarifier Shank Holders 9
      Rear - Scarifying Depth, Maximum 266 mm
      Rear - Working Width 2300 mm
    • Weights
      Gross Vehicle Weight - Base - Front Axle 4220 kg
      Gross Vehicle Weight - Base - Rear Axle 12011 kg
      Gross Vehicle Weight - Base - Total 16231 kg
      Gross Vehicle Weight - Maximum - Front Axle 6839 kg
      Gross Vehicle Weight - Maximum - Rear Axle 15206 kg
      Gross Vehicle Weight - Maximum - Total 22045 kg
      Gross Vehicle Weight - Typically Equipped 18400 kg
      Gross Vehicle Weight - Typically Equipped - Front Axle 5090 kg
      Gross Vehicle Weight - Typically Equipped - Rear Axle 13310 kg
      Gross Vehicle Weight - Typically Equipped - Total 18400 kg
      Operating Weight - Typically Equipped 18400 kg
    • Power Train
      Brakes - Parking Multiple oil disc
      Brakes - Secondary Dual circuit control system
      Brakes - Service Multiple oil disc
      Brakes - Service - Surface Area 23000 cm²
      Forward/Reverse Gears 8 Forward/6 Reverse
      Transmission Direct drive, power shift, countershaft
    • Hydraulic System
      Circuit Type Electro-hydraulic load sensing, closed center
      Maximum System Pressure 24150 kPa
      Pump Output 210 l/min
      Pump Type Variable piston
      Standby Pressure 3100 kPa
    • Dimensions
      Ground Clearance - Rear Axle 339 mm
      Height - Exhaust Stack 3076 mm
      Height - Front Axle Center 596 mm
      Height - Top of Cab 3308 mm
      Height - Top of Cab Product Link 3378 mm
      Height - Top of Cylinders 3040 mm
      Length - Between Tandem Axles 1523 mm
      Length - Front Axle to Mid Tandem 6123 mm
      Length - Front Axle to Moldboard 2552 mm
      Length - Front Tire to Rear of Machine 8754 mm
      Length - Push Plate to Ripper 10136 mm
      Length - Push Plate to Ripper Retracted 9818 mm
      Width - Outside Front Tires 2511 mm
      Width - Outside Rear Tires 2511 mm
      Width - Tire Center Lines 2140 mm
    • Operating Specifications
      Articulation Angle - Left/Right 20 degrees
      Forward - 1st 4 km/h
      Forward - 2nd 5.5 km/h
      Forward - 3rd 8 km/h
      Forward - 4th 11 km/h
      Forward - 5th 17.1 km/h
      Forward - 6th 23.3 km/h
      Forward - 7th 32 km/h
      Forward - 8th 46.6 km/h
      Reverse - 1st 3.2 km/h
      Reverse - 2nd 6 km/h
      Reverse - 3rd 8.7 km/h
      Reverse - 4th 13.5 km/h
      Reverse - 5th 25.3 km/h
      Reverse - 6th 36.8 km/h
      Steering Range - Left/Right 47.5 degrees
      Top Speed - Forward 46.6 km/h
      Top Speed - Reverse 36.8 km/h
      Turning Radius - Outside Front Tires 7.6 m
    • Standards
      Brakes ISO 3450:1996
      ROPS/FOPS ISO 3471:2008, ISO 3449:2005 Level II
      Sound ISO 6394:2008, ISO 6395:2008
      Steering ISO 5010:2007
    • Net Power - VHP Plus
      Gear - Forward 1st 136 kW
      Gear - Forward 2nd 140 kW
      Gear - Forward 3rd 144 kW
      Gear - Forward 4th 148 kW
      Gear - Forward 5th 151 kW
      Gear - Forward 6th 151 kW
      Gear - Forward 7th 155 kW
      Gear - Forward 8th 159 kW
      Gear - Reverse 1st 136 kW
      Gear - Reverse 2nd 140 kW
      Gear - Reverse 3rd 144 kW
    • Service Refill
      Circle Drive Housing 7 l
      Cooling System 40 l
      Engine Oil 25 l
      Front Wheel Spindle Bearing Housing 0.5 l
      Fuel Capacity 416 l
      Hydraulic System - Tank 64 l
      Tandem Housing - Each 64 l
      Transmission - Differential - Final Drives 64 l
    • Tandems
      Drive Chain Pitch 50.8 mm
      Height 506 mm
      Sidewall Thickness - Inner 16 mm
      Sidewall Thickness - Outer 18 mm
      Tandem Oscillation - Front Down 25 degrees
      Tandem Oscillation - Front Up 15 degrees
      Wheel Axle Spacing 1523 mm
      Width 201 mm
    • Frame
      Circle - Blade Beam Thickness 40 mm
      Circle - Diameter 1530 mm
      Drawbar - Height 152 mm
      Drawbar - Width 76.2 mm
      Front Axle - Height to Center 571 mm
      Front Axle - Total Oscillation per Side 32 degrees
      Front Axle - Wheel Lean - Left/Right 18 degrees
      Front Frame Structure - Height 305 mm
      Front Frame Structure - Thickness 16 mm
      Front Frame Structure - Width 305 mm

    Product Downloads

    12M Brochure

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