12M3 AWD Motor Grader

12M3 AWD Motor Grader

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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 IV emission standards.

Engine

Base Power (1st gear) - Net
179.0 hp
Engine Model
Cat® C9.3 ACERT™
Bore
4.5 in
Stroke
5.9 in
Speed @ Rated Power
2,000 rpm
AWD Off: Gear - Net Power - Forward - 1st
189.0 hp
AWD Off: Gear - Net Power - Forward - 2nd
200.0 hp
AWD Off: Gear - Net Power - Forward - 3rd
210.0 hp
AWD Off: Gear - Net Power - Forward - 4th
215.0 hp
AWD Off: Gear - Net Power - Forward - 5th
220.0 hp
AWD Off: Gear - Net Power - Forward - 6th
225.0 hp
AWD Off: Gear - Net Power - Forward - 7th
231.0 hp
AWD Off: Gear - Net Power - Forward - 8th
231.0 hp
AWD Off: Gear - Net Power - Reverse - 1st
179.0 hp
AWD Off: Gear - Net Power - Reverse - 2nd
189.0 hp
AWD Off: Gear - Net Power - Reverse - 3rd-6th
200.0 hp
AWD On: Gear - Net Power - Forward - 1st
200.0 hp
AWD On: Gear - Net Power - Forward - 2nd
220.0 hp
AWD On: Gear - Net Power - Forward - 3rd
225.0 hp
AWD On: Gear - Net Power - Forward - 4th
231.0 hp
AWD On: Gear - Net Power - Forward - 5th
252.0 hp
AWD On: Gear - Net Power - Forward - 6th
252.0 hp
AWD On: Gear - Net Power - Forward - 7th
252.0 hp
AWD On: Gear - Net Power - Forward - 8th
252.0 hp
AWD On: Gear - Net Power - Reverse - 1st
179.0 hp
AWD On: Gear - Net Power - Reverse - 2nd
189.0 hp
AWD On: Gear - Net Power - Reverse - 3rd-6th
200.0 hp
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)
181.0 hp
Emissions
U.S. EPA Tier 4 Final/EU Stage IV
High Ambient - Fan Speed - Standard
1,400 rpm
Maximum Torque (AWD on)
920.0 lb ft
Maximum Torque (VHP Plus)
840.0 lb ft
Standard Capability
109.0 ° F
Torque Rise
38%
VHP Plus Range - Net
133-172 kW (179-231 hp)
VHP Plus Range - Net (Metric)
133-172 kW (181-234 hp)
VHP Plus: Gear - Net Power - Forward - 1st
179.0 hp
VHP Plus: Gear - Net Power - Forward - 2nd
189.0 hp
VHP Plus: Gear - Net Power - Forward - 3rd
200.0 hp
VHP Plus: Gear - Net Power - Forward - 4th
210.0 hp
VHP Plus: Gear - Net Power - Forward - 5th
215.0 hp
VHP Plus: Gear - Net Power - Forward - 6th
220.0 hp
VHP Plus: Gear - Net Power - Forward - 7th
225.0 hp
VHP Plus: Gear - Net Power - Forward - 8th
231.0 hp
VHP Plus: Gear - Net Power - Reverse - 1st
179.0 hp
VHP Plus: Gear - Net Power - Reverse - 2nd
189.0 hp
VHP Plus: Gear - Net Power - Reverse - 3rd-6th
200.0 hp
Displacement
567.5 in3
Number of Cylinders
6
Derating Altitude
10000.0 ft
High Ambient - Fan Speed - Maximum
1,550 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High Ambient Capability
122.0 ° F

Power Train

Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
APECS, Direct Drive, Powershift
Brakes - Service
Multiple Oil Disc
Brakes - Service, Surface Area
3565.0 in2
Brakes - Parking
Multiple Oil Disc
Brakes - Secondary
Dual Circuit

Hydraulic System

Circuit Type
Parallel
Pump Type
Variable Piston
Pump Output
55.7 gal/min
Maximum System Pressure
3500.0 psi
Reservoir Tank Capacity
16.9 gal
Standby Pressure
885.0 psi

Operating Specifications

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

Service Refill

Fuel Capacity
104.0 gal
Cooling System
15.0 gal
Hydraulic System - Total
26.4 gal
Hydraulic System - Tank
16.9 gal
Diesel Exhaust Fluid
5.8 gal
Trans./Diff./Final Drives
18.5 gal
Engine Oil
7.9 gal
Tandem Housing (each)
20.0 gal
Front Wheel Spindle Bearing Housing
0.13 gal
Circle Drive Housing
1.8 gal

Frame

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

Tandems

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

Moldboard

Blade Width
12.0 ft
Moldboard - Height
24.0 in
Moldboard - Thickness
0.87 in
Arc Radius
16.3 in
Throat Clearance
6.5 in
Cutting Edge - Width
6.0 in
Cutting Edge - Thickness
0.6 in
End Bit - Width
6.0 in
End Bit - Thickness
0.6 in
Blade Pull - Base GVW (AWD)
35649.0 lb
Blade Pull - Maximum GVW (AWD)
49630.0 lb
Blade Down Pressure - Base GVW (AWD)
17970.0 lb
Blade Down Pressure - Maximum GVW (AWD)
29309.0 lb
Moldboard - Blade Width
12.0 ft

Blade Range

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

Ripper

Ripper Shank Holder Spacing
21.0 in
Ripping Depth - Maximum
16.8 in
Ripper Shank Holders
5
Penetration Force
20812.0 lb
Pryout Force
27794.0 lb
Machine Length Increase, Beam Raised
40.6 in

Scarifier

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

Weights

Operating Weight - Typically Equipped
44614.0 lb

Weights - AWD

Gross Vehicle Weight - Base - Front Axle
10469.0 lb
Gross Vehicle Weight - Base - Rear Axle
29140.0 lb
Gross Vehicle Weight - Base - Total
39609.0 lb
Gross Vehicle Weight - Maximum - Front Axle
17075.0 lb
Gross Vehicle Weight - Maximum - Rear Axle
38069.0 lb
Gross Vehicle Weight - Maximum - Total
55144.0 lb
Operating Weight, Typically Equipped - Front Axle
13107.0 lb
Operating Weight, Typically Equipped - Rear Axle
31507.0 lb
Operating Weight, Typically Equipped - Total
44614.0 lb

Dimensions

Height - Top of Cab
130.0 in
Length - Counterweight to Ripper
399.0 in
Width - Outside Front Tires
98.9 in
Length - Front Axle to Mid Tandem
241.0 in
Length - Front Tire to Rear of Machine
351.0 in
Length - Front Axle to Moldboard
100.0 in
Length - Between Tandem Axles
60.0 in
Width - Outside Rear Tires
98.9 in
Width - Tire Center Lines
84.3 in
Height - Front Axle Center
23.5 in
Height to Exhaust Stack
128.0 in
Height to Top of Cylinders
120.0 in
Ground Clearance at Rear Axle
13.3 in

Standards

Brakes
ISO 3450
ROPS/FOPS
ISO 3471/ISO 3499
Sound
ISO 6394; ISO 6395
Steering
ISO 5010
  • 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·SSM ports: engine, hydraulic, transmission, coolant, fuel
    • Tandem walkway/guards
    • Tool box
  • ELECTRICAL
    • Alternator, 280 ampere
    • Batteries: extreme duty, 1,400 CCA
    • Lights: Headlights, high
    • Lights: Headlights, low
    • Lights: Working lights, basic
    • Lights: Working lights, plus
    • Lights: Warning: beacon or strobe
    • Lights: Mounting for warning light
  • GUARDS
    • Articulation guard
    • Fenders, front, AWD
    • 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
    • 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
  • 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.