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Overview

The 12M delivers multiple technological breakthroughs to give you the best return on your investment.

Engine

Units:
Base Power (1st gear) - Net 158.0 hp 118.0 kW Less
Engine Model Cat® C6.6 ACERT™ VHP Cat® C6.6 ACERT™ VHP Less
Bore 4.13 in 105.0 mm Less
Stroke 4.92 in 125.0 mm Less
Speed @ Rated Power 2000 RPM 2000 RPM Less
Base Power (all gears) - Net 158.0 hp 118.0 kW Less
Maximum Torque 690.0 lb ft 859.0 N·m Less
Torque Rise (VHP Plus) 40% 40% Less
VHP Plus Range - Net 118-144 kW (158-193 hp) 118-144 kW (158-193 hp) Less
VHP Range - Net 118 -129 kW (158-173 hp) 118 -129 kW (158-173 hp) Less
Displacement 403.0 in3 6.6 L Less
Number of Cylinders 6 6 Less
Derating Altitude 11500.0 ft 3505.0 m Less
Standard - Fan Speed - Maximum 1150 RPM 1150 RPM Less
Standard - Fan Speed - Minimum 550 RPM 550 RPM Less
Standard - Ambient Capability 109.0 ° F 43.0 ° C Less
High Ambient - Fan Speed - Maximum 1650 RPM 1650 RPM Less
High Ambient - Fan Speed - Minimum 550 RPM 550 RPM Less
High Ambient Capability 122.0 ° F 50.0 ° C Less

Power Train

Forward/Reverse Gears 8 Fwd / 6 Rev 8 Fwd / 6 Rev Less
Transmission Direct drive, power shift, countershaft Direct drive, power shift, countershaft Less
Brakes - Service Multiple oil-disc Multiple oil-disc Less
Brakes - Service, Surface Area 3565.0 in2 23000.0 cm2 Less
Brakes - Parking Multiple oil disc Multiple oil disc Less
Brakes - Secondary Dual circuit control system Dual circuit control system Less

Hydraulic System

Circuit Type Electro-hydraulic closed center, load sensing, Electro-hydraulic closed center, load sensing, Less
Pump Type Variable piston Variable piston Less
Pump Output 51.0 gal/min 193.0 L/min Less
Maximum System Pressure 3500.0 psi 24100.0 kPa Less
Standby Pressure 450.0 psi 3100.0 kPa Less

Operating Specifications

Top Speed - Forward 27.7 mph 44.5 km/h Less
Top Speed - Reverse 23.5 mph 37.8 km/h Less
Turning Radius, Outside Front Tires 24.5 ft 7.46 m Less
Steering Range - Left/Right 47.5° 47.5° Less
Articulation Angle - Left/Right 20° 20° Less
Forward - 1st 2.4 mph 3.9 km/h Less
Forward - 2nd 3.3 mph 5.3 km/h Less
Forward - 3rd 4.75 mph 7.6 km/h Less
Forward - 4th 6.5 mph 10.5 km/h Less
Forward - 5th 10.2 mph 16.4 km/h Less
Forward - 6th 13.8 mph 22.2 km/h Less
Forward - 7th 19.0 mph 30.6 km/h Less
Forward - 8th 27.7 mph 44.5 km/h Less
Reverse - 1st 2.0 mph 3.3 km/h Less
Reverse - 2nd 3.8 mph 6.2 km/h Less
Reverse - 3rd 5.6 mph 8.9 km/h Less
Reverse - 4th 8.6 mph 13.9 km/h Less
Reverse - 5th 16.1 mph 26.0 km/h Less
Reverse - 6th 23.5 mph 37.8 km/h Less

Service Refill

Fuel Capacity 90.0 gal 341.0 L Less
Cooling System 10.4 gal 40.0 L Less
Hydraulic System - Tank 16.0 gal 60.0 L Less
Engine Oil 4.1 gal 15.5 L Less
Transmission/Differential/Final Drives 13.2 gal 50.0 L Less
Tandem Housing (each) 16.9 gal 61.0 L Less
Front Wheel Spindle Bearing Housing 0.1 gal 0.5 L Less
Circle Drive Housing 1.8 gal 7.0 L Less

Frame

Drawbar - Width 3.0 in 76.2 mm Less
Circle - Diameter 60.2 in 1530.0 mm Less
Circle - Blade Beam Thickness 1.4 in 35.0 mm Less
Drawbar - Height 6.0 in 152.0 mm Less
Front Frame Structure - Height 10.0 in 254.0 mm Less
Front Frame Structure - Thickness 0.63 in 16.0 mm Less
Front Frame Structure - Width 10.0 in 254.0 mm Less
Drawbar - Thickness 0.4 in 9.5 mm Less
Drawbar - yoke bar thickness 0.75 in 19.1 mm Less
Front Axle - Height to Center 22.5 in 572.0 mm Less
Front Axle - Wheel Lean, Left/Right 18° 18° Less
Front Axle - Total Oscillation per Side 32° 32° Less

Tandems

Height 19.76 in 502.0 mm Less
Width 6.76 in 172.0 mm Less
Sidewall Thickness - Inner 0.5 in 14.0 mm Less
Sidewall Thickness - Outer 0.6 in 16.0 mm Less
Drive Chain Pitch 1.8 in 44.5 mm Less
Wheel Axle Spacing 59.5 in 1510.0 mm Less
Tandem Oscillation - Front Up 15° 15° Less
Tandem Oscillation - Front Down 25° 25° Less

Moldboard

Blade Width 12.0 ft 3.7 m Less
Moldboard - Height 24.0 in 609.6 mm Less
Moldboard - Thickness 0.87 in 22.0 mm Less
Arc Radius 16.3 in 413.0 mm Less
Throat Clearance 4.88 in 124.0 mm Less
Cutting Edge - Width 6.0 in 152.4 mm Less
Cutting Edge - Thickness 0.6 in 16.0 mm Less
End Bit - Width 6.0 in 152.4 mm Less
End Bit - Thickness 0.6 in 16.0 mm Less
Blade Pull - Base GVW 20830.0 lb 9448.0 kg Less
Blade Pull - Maximum GVW 25862.0 lb 11731.0 kg Less
Blade Down Pressure - Base GVW 17566.0 lb 7968.0 kg Less
Blade Down Pressure - Max GVW 28254.0 lb 12816.0 kg Less

Blade Range

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

Ripper

Penetration Force 18911.0 lb 8578.0 kg Less
Pryout Force 25972.0 lb 11781.0 kg Less
Machine Length Increase, Beam Raised 39.2 in 995.0 mm Less

Scarifier

Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing 4.6 in 116.0 mm Less
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders 5 / 11 5 / 11 Less
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum 18.4 in 467.0 mm Less
Front, V-Type, 5 or 11 Tooth - Working Width 47.4 in 1205.0 mm Less
Mid, V-Type - Scarifier Shank Holder Spacing 4.6 in 116.0 mm Less
Mid, V-Type - Scarifier Shank Holders 11 11 Less
Mid, V-Type - Scarifying Depth, Maximum 11.5 in 292.0 mm Less
Mid, V-Type - Working Width 46.6 in 1184.0 mm Less
Mid, straight - Scarifier shank holder spacing 4.4 in 111.0 mm Less
Mid, straight - Scarifier shank holders 17 17 Less
Mid, straight - Scarifying depth, maximum 12.5 in 317.0 mm Less
Mid, straight - Working width 71.0 in 1800.0 mm Less
Rear - Scarifying Depth, Maximum 10.5 in 266.0 mm Less
Rear - Working Width 91.0 in 2300.0 mm Less
Rear - Scarifier Shank Holders 9 9 Less
Rear - Scarifier Shank Holder Spacing 10.5 in 267.0 mm Less

Weights

Gross Vehicle Weight - Maximum - Front Axle 15954.0 lb 7237.0 kg Less
Gross Vehicle Weight - Maximum - Rear Axle 48736.0 lb 13034.0 kg Less
Gross Vehicle Weight - Base - Front Axle 9919.0 lb 4499.0 kg Less
Gross Vehicle Weight - Base - Rear Axle 23145.0 lb 10498.0 kg Less
Gross Vehicle Weight - Maximum - Total 44690.0 lb 20271.0 kg Less
Gross Vehicle Weight - Base - Total 33064.0 lb 14998.0 kg Less

Dimensions

Height - Top of Cab 129.0 in 3278.0 mm Less
Length - counterweight to ripper 389.3 in 9889.0 mm Less
Width - Outside Front Tires 97.7 in 2481.0 mm Less
Length - Front Axle to Mid Tandem 232.8 in 5915.0 mm Less
Length - Front Tire to Rear of Machine 334.1 in 8488.0 mm Less
Length - Front Axle to Moldboard 98.85 in 2511.0 mm Less
Length - Between Tandem Axles 59.5 in 1511.0 mm Less
Width - Outside Rear Tires 97.7 in 2481.0 mm Less
Width - Tire Center Lines 84.1 in 2136.0 mm Less
Height - Front Axle Center 22.5 in 572.0 mm Less
Height to Exhaust Stack 112.4 in 2855.0 mm Less
Height to Top of Cylinders 113.7 in 2890.0 mm Less
Ground Clearance at Rear Axle 13.6 in 347.0 mm Less

Standards

Brakes ISO 3450:1996 ISO 3450:1996 Less
ROPS/FOPS ISO 3471:1992 / ISO 3449:1992 ISO 3471:1992 / ISO 3449:1992 Less
Sound ISO 6394:1998 / ISO 6395:1988 ISO 6394:1998 / ISO 6395:1988 Less
Steering ISO 5010:1992 ISO 5010:1992 Less

Operator Station

The 12M features a revolutionary cab design that provides unmatched comfort, visibility and ease of use, making the operator more confident and productive.


Steering and Implement Controls

The 12M sets a new standard for motor grader operational efficiency.


Structures, Drawbar, Circle and Moldboard

Durable tructures with fast and simple DCM adjustments deliver precise material control while lowering operating costs.


Power Train

Integrated, electronically controlled systems, deliver smooth reliable performance with reduced operating costs.


Engine

The 12M combines power management with ACERT™ Technology to deliver maximum power and efficiency while reducing the environmental impact.


Hydraulics

The 12M electro-hydraulics enable advanced machine controls with precise and predictable movements.


Integrated Electronic Solutions

Full systems integration optimizes machine performance and availability.


Work Tools and Attachments

The Work Tools and optional attachments for the 12M expand machine versatility, utilization and performance.


Safety

Safety is an integral part of all machine and system designs.


Serviceability and Customer Support

Simplified service, world-class product support and Cat® dealer-trained experts keep your fleet up and running, maximizing your equipment investment.


12M Standard Equipment

OPERATOR ENVIRONMENT
  • Air Conditioner with heater
  • Arm and wrist rest, 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 cluster - articulation, engine coolant temp,
  • Gauge, machine level
  • Hour meter, digital
  • Joystick hydraulic controls
  • 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
  • Seat belt, retractable 76 mm (3 in)
  • Seat, cloth-covered, comfort suspension
  • Storage area for cooler/lunchbox
  • Throttle control, electronic
  • Windows, laminated glass:

ELECTRICAL
  • Alarm, back up
  • Alternator, 80 ampere, sealed
  • Batteries, maintenance free, heavy duty 1125 CCA
  • Breaker panel, ground accessible
  • Electrical system, 24V
  • Grade Control Ready - Cab harness, software,
  • Lights, reversing
  • Lights, roading, roof-mounted
  • Lights, stop and tail, LED
  • Product Link Ready
  • Starter, electric

POWER TRAIN
  • Air cleaner, dual stage, dry type, automatic dust ejector,
  • Air-to-air after cooler (ATAAC)
  • Belt, serpentine, automatic tensioner
  • Brakes, four-wheel hydraulic
  • Differential, lock / unlock
  • Drain, engine oil, ecology
  • Electronic over speed protection
  • Engine, Cat® C6.6 with ACERT™ Technology
  • Fuel-water separator
  • Hydraulic demand fan
  • Muffler, under hood
  • Parking brake - multi-disc, sealed, oil-cooled
  • Priming pump, fuel
  • Rear axle, modular
  • Sediment drain, fuel tank
  • Transmission, 8F/6R, power shift, direct drive
  • VHP (Variable Horsepower)

OTHER STANDARD EQUIPMENT
  • Brake accumulators, dual certified
  • Bumper, rear, integrated with hitch
  • CD ROM Parts Book
  • Clutch, circle drive slip
  • Cutting edges
  • Doors (3), engine compartment, locking
  • Drawbar - 6 shoe with replaceable wear strips
  • Endbits
  • Extended Life Coolant to -35° C (-30° F)
  • Fluid check, ground level
  • Frame, articulated, with safety lock
  • Fuel tank, ground level access
  • Ground level engine shutdown
  • Hammer (emergency exit)
  • Horn, electric
  • Hydraulics, base 8 implement controls
  • Hydraulics, load-sensing
  • Lockout, hydraulic implement for roading
  • Moldboard
  • Mounting, cab roof accessories
  • Paint, glare reducing - top of front frame
  • Pump, hydraulic, high capacity (98 cc/6 in3)
  • Radiator cleanout access
  • Secondary steering
  • Serviceability, LH side
  • S•O•SSM ports: engine, hydraulic, transmission, coolant, fuel
  • Tandem walkway/guards
  • Tool box
  • Tow hitch

TIRES, RIMS, & WHEELS
  • Partial allowance for tires and multi-piece rims

12M Optional Equipment

ELECTRICAL kg lb
  • Alternator, 150 ampere 2 5
  • Batteries:
  • Converter, communication (CB) 5 11
  • Lights:

GUARDS
  • covers, screen 4 9
  • debris 9 20
  • Transmission Sides/Sound
  • transmission 141 310

OPERATOR ENVIRONMENT
  • Fan, defroster, rear window 2 4
  • Mirrors, outside:
  • Precleaner, HVAC 5 10
  • Seat, air suspension, cloth 2 5
  • Shade, sun 2 5
  • Wiper, each side 0 1
  • Wiper/washer, rear 0 1

POWER TRAIN
  • Engine, variable horsepower plus (VHP Plus)
  • Precleaner, Sy-Klone 9 20
  • Transmission, autoshift 2 5

OTHER ATTACHMENTS kg lb
  • AccuGrade ARO 39 85
  • Accumulators, blade lift 77 170
  • AutoLube, Lincoln 23 50
  • AutoLube, Lincoln, ripper enhancement 5 10
  • Camera, rearview 9 20
  • Caterpillar Product Link 321SR 5 10
  • Compressor/tank, Air 23 50
  • Fenders, front, AWD 56 124
  • Fenders, rear 119 262
  • Heater, engine coolant:
  • Hydraulic arrangements with one or more additional
  • Security system 2 5
  • Snow wing mounting, frame ready 91 200
  • Starting aid, Ether .5 1

WORK TOOLS / G.E.T.
  • Blade extension, 610 mm (2 ft)
  • Cutting Edges, curved 43 95
  • Endbits, overlay 24 52
  • Front lift group, mechanical 680 1500
  • Front lift group, hydraulic 680 1500
  • Grader bit, narrow and super penetration 181 400
  • Mid Mount Scarifier 939 2071
  • Moldboard
  • Push plate, counterweight 907 2000
  • Ripper, rear 962 2120
  • Ripper tooth 28 61
  • Scarifier, Tooth 69 152

MACHINE ARRANGEMENTS
  • European Arrangement
  • Roading Arrangement
  • Snow Arrangement
  • Canadian Arrangement

Note: Not all attachments are available in all regions.

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