12M3 AWD Motor Grader

Overview
Engine Model
Cat® C9.3 ACERT™
Bore
5 in
Stroke
6 in

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

Engine Model
Cat® C9.3 ACERT™
Bore
5 in
Stroke
6 in
Emissions
U.S. EPA Tier 4 Final/EU Stage IV
High Ambient - Fan Speed - Standard
1,400 rpm
Maximum Torque (VHP Plus)
840 lb ft
Standard Capability
109 ° 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 hp
VHP Plus: Gear - Net Power - Forward - 2nd
189 hp
VHP Plus: Gear - Net Power - Forward - 3rd
200 hp
VHP Plus: Gear - Net Power - Forward - 4th
210 hp
VHP Plus: Gear - Net Power - Forward - 5th
215 hp
VHP Plus: Gear - Net Power - Forward - 6th
220 hp
VHP Plus: Gear - Net Power - Forward - 7th
225 hp
Displacement
568 in3
Number of Cylinders
6
Derating Altitude
10,000 ft
High Ambient - Fan Speed - Maximum
1,550 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High Ambient Capability
122 ° F
Base Power (1st Gear) - Net
179 HP
Speed at Rated Power
2,000 rpm
AWD Off: Gear - Net Power - Forward - 1st
189 HP
AWD Off: Gear - Net Power - Forward - 2nd
200 HP
AWD Off: Gear - Net Power - Forward - 3rd
210 HP
AWD Off: Gear - Net Power - Forward - 4th
215 HP
AWD Off: Gear - Net Power - Forward - 5th
220 HP
AWD Off: Gear - Net Power - Forward - 6th
225 HP
AWD Off: Gear - Net Power - Forward - 7th
231 HP
AWD Off: Gear - Net Power - Forward - 8th
231 HP
AWD Off: Gear - Net Power - Reverse - 1st
179 HP
AWD Off: Gear - Net Power - Reverse - 2nd
189 HP
AWD Off: Gear - Net Power - Reverse - 3rd-6th
200 HP
AWD On: Gear - Net Power - Forward - 1st
200 HP
AWD On: Gear - Net Power - Forward - 2nd
220 HP
AWD On: Gear - Net Power - Forward - 3rd
225 HP
AWD On: Gear - Net Power - Forward - 4th
231 HP
AWD On: Gear - Net Power - Forward - 5th
252 HP
AWD On: Gear - Net Power - Forward - 6th
252 HP
AWD On: Gear - Net Power - Forward - 7th
252 HP
AWD On: Gear - Net Power - Forward - 8th
252 HP
AWD On: Gear - Net Power - Reverse - 1st
179 HP
AWD On: Gear - Net Power - Reverse - 2nd
189 HP
AWD On: Gear - Net Power - Reverse - 3rd-6th
200 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 HP
Maximum Torque - AWD On
920 lb/ft
VHP Plus - Gear - Net Power - Forward 8th
231 HP
VHP Plus - Gear - Net Power - Reverse 1st
179 HP
VHP Plus - Gear - Net Power - Reverse 2nd
189 HP
VHP Plus - Gear - Net Power - Reverse 3rd-6th
200 HP
Engine Model
Cat® C9.3 ACERT™
Bore
5 in
Stroke
6 in
Emissions
U.S. EPA Tier 4 Final/EU Stage IV
High Ambient - Fan Speed - Standard
1,400 rpm
Maximum Torque - VHP Plus
840 lb/ft
Standard Capability
109 °F
Torque Rise
38%
VHP Plus - Gear - Net Power - Forward 1st
179 HP
VHP Plus - Gear - Net Power - Forward 2nd
189 HP
VHP Plus - Gear - Net Power - Forward 3rd
200 HP
VHP Plus - Gear - Net Power - Forward 4th
210 HP
VHP Plus - Gear - Net Power - Forward 5th
215 HP
VHP Plus - Gear - Net Power - Forward 6th
220 HP
VHP Plus - Gear - Net Power - Forward 7th
225 HP
VHP Plus Range - Net
133-172 kW (179-231 hp)
VHP Plus Range - Net - Metric
133-172 kW (181-234 hp)
Displacement
568 in³
Number of Cylinders
6
Derating Altitude
10,000 ft
High Ambient - Fan Speed - Maximum
1,550 rpm
High Ambient - Fan Speed - Minimum
500 rpm
High - Ambient Capability
122 °F

Power Train

Brakes - Service, Surface Area
3,565 in2
Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
APECS, Direct Drive, Powershift
Brakes - Service
Multiple Oil Disc
Brakes - Parking
Multiple Oil Disc
Brakes - Secondary
Dual Circuit
Brakes - Service - Surface Area
3,565 in²

Hydraulic System

Pump Output
56 gal/min
Standby Pressure
885 psi
Circuit Type
Parallel
Pump Type
Variable Piston
Maximum System Pressure
3,500 psi
Standby Pressure
885 psi
Pump Output
56 gal/min
Reservoir Tank Capacity
17 gal (US)

Moldboard

Moldboard - Height
24 in
Moldboard - Thickness
1 in
Blade Pull - Base GVW (AWD)
35,649 lb
Blade Pull - Maximum GVW (AWD)
49,630 lb
Blade Down Pressure - Base GVW (AWD)
17,970 lb
Blade Down Pressure - Maximum GVW (AWD)
29,309 lb
Moldboard - Blade Width
12 ft
Blade Width
12 ft
Arc Radius
16 in
Throat Clearance
7 in
Cutting Edge Width
6 in
Cutting Edge Thickness
1 in
End Bit - Width
6 in
End Bit - Thickness
1 in
Moldboard - Height
24 in
Moldboard - Thickness
1 in
Blade Pull - Base GVW - AWD
35,649 lb
Blade Pull - Maximum GVW - AWD
49,630 lb
Blade Down Pressure - Base GVW - AWD
17,970 lb
Blade Down Pressure - Maximum GVW - AWD
29,309 lb
Moldboard - Blade Width
12 ft

Service Refill

Diesel Exhaust Fluid
6 gal
Fuel Capacity
104 gal (US)
Cooling System
15 gal (US)
Hydraulic System - Total
26 gal (US)
Hydraulic System - Tank
17 gal (US)
Transmission - Differential - Final Drives
19 gal (US)
Engine Oil
8 gal (US)
Tandem Housing - Each
20 gal (US)
Front Wheel Spindle Bearing Housing
0 gal (US)
Circle Drive Housing
2 gal (US)
Diesel Exhaust Fluid
6 gal (US)

Frame

Circle - Height
5 in
Drawbar - Thickness
1 in
Front-Top/Bottom Plate - Width
12 in
Front-Top/Bottom Plate - Thickness
1 in
Front Axle - Wheel Lean, Left/Right
18°
Drawbar - Width
3 in
Circle - Diameter
60 in
Circle - Blade Beam Thickness
2 in
Drawbar - Height
6 in
Front Frame Structure - Height
13 in
Front Frame Structure - Width
12 in
Front Axle - Height to Center
24 in
Front Axle - Total Oscillation per Side
32°
Circle - Height
5 in
Drawbar - Thickness
1 in
Front-Top/Bottom Plate - Width
12 in
Front-Top/Bottom Plate - Thickness
1 in
Front Axle - Wheel Lean - Left/Right
18°

Weights - AWD

Gross Vehicle Weight - Base - Front Axle
10,469 lb
Gross Vehicle Weight - Base - Rear Axle
29,140 lb
Gross Vehicle Weight - Base - Total
39,609 lb
Gross Vehicle Weight - Maximum - Front Axle
17,075 lb
Gross Vehicle Weight - Maximum - Rear Axle
38,069 lb
Gross Vehicle Weight - Maximum - Total
55,144 lb
Operating Weight, Typically Equipped - Front Axle
13,107 lb
Operating Weight, Typically Equipped - Rear Axle
31,507 lb
Operating Weight, Typically Equipped - Total
44,614 lb
Gross Vehicle Weight - Base - Front Axle
10,469 lb
Gross Vehicle Weight - Base - Rear Axle
29,140 lb
Gross Vehicle Weight - Base - Total
39,609 lb
Gross Vehicle Weight - Maximum - Front Axle
17,075 lb
Gross Vehicle Weight - Maximum - Rear Axle
38,069 lb
Gross Vehicle Weight - Maximum - Total
55,144 lb
Operating Weight - Typically Equipped - Front Axle
13,107 lb
Operating Weight - Typically Equipped - Rear Axle
31,507 lb
Operating Weight - Typically Equipped - Total
44,614 lb

Scarifier

Mid, V-Type - Scarifier Shank Holder Spacing
5 in
Mid, V-Type - Scarifying Depth, Maximum
12 in
Mid, V-Type - Working Width
47 in
Rear - Scarifying Depth, Maximum
17 in
Rear - Working Width
84 in
Rear - Scarifier Shank Holder Spacing
11 in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing
5 in
Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holders
5/11
Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum
18 in
Front, V-Type, 5 or 11 Tooth - Working Width
41 in
Front, V-Type - Working Width
47 in
Mid, V-Type - Scarifier Shank Holders
11
Rear - Scarifier Shank Holders
9
Mid, V-Type - Scarifier Shank Holder Spacing
5 in
Mid, V-Type - Scarifying Depth, Maximum
12 in
Mid, V-Type - Working Width
47 in
Rear - Scarifying Depth, Maximum
17 in
Rear - Working Width
84 in
Rear - Scarifier Shank Holder Spacing
11 in

Ripper

Ripper Shank Holder Spacing
21 in
Ripping Depth - Maximum
17 in
Ripper Shank Holders
5
Penetration Force
20,812 lb
Pry-Out Force
27,794 lb
Machine Length Increase, Beam Raised
41 in
Ripper Shank Holder Spacing
21 in

Dimensions

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

Weights

Operating Weight - Typically Equipped
44,614 lb

Operating Specifications

Top Speed - Forward
29 mile/h
Top Speed - Reverse
23 mile/h
Turning Radius - Outside Front Tires
26 ft
Steering Range - Left/Right
50°
Articulation Angle - Left/Right
20°
Forward - 1st
3 mile/h
Forward - 2nd
3 mile/h
Forward - 3rd
5 mile/h
Forward - 4th
7 mile/h
Forward - 5th
11 mile/h
Forward - 6th
15 mile/h
Forward - 7th
20 mile/h
Forward - 8th
29 mile/h
Reverse - 1st
2 mile/h
Reverse - 2nd
4 mile/h
Reverse - 3rd
5 mile/h
Reverse - 4th
8 mile/h
Reverse - 5th
16 mile/h
Reverse - 6th
23 mile/h

Blade Range

Circle Centershift - Right
29 in
Circle Centershift - Left
27 in
Moldboard Sideshift - Right
26 in
Moldboard Sideshift - Left
20 in
Maximum Blade Position Angle
90°
Blade Tip Range - Forward
40°
Blade Tip Range - Backward
Maximum Shoulder Reach Outside of Tires - Right
78 in
Maximum Shoulder Reach Outside of Tires - Left
71 in
Maximum Lift Above Ground
19 in
Maximum Depth of Cut
28 in

Standards

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

Tandems

Height
20 in
Width
8 in
Sidewall Thickness - Inner
1 in
Sidewall Thickness - Outer
1 in
Drive Chain Pitch
2 in
Wheel Axle Spacing
60 in
Tandem Oscillation - Front Up
15°
Tandem Oscillation - Front Down
25°

Operator Station

Machine and Implement Controls

Engine

Emissions Technology

Power Train

Structures and Drawbar-Circle-Moldboard

Hydraulics

All Wheel Drive (AWD)

Integrated Technologies

Safety

Work Tools and Attachments

Smart Machine Systems

Serviceability and Customer Support

Sustainability

  • 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·S℠ 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, LED
    • 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
    • Reversing fan, automatic or manual
  • 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.

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