12M

12M

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.

Description

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

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