Get a Quote

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.

Cat Specs
Photos
Downloads

Engine

Base Power (1st Gear) - Net
179 HP
Bore
4.5 in
Stroke
5.9 in
Displacement
567.5 in³
Derating Altitude
10000 ft
Number of Cylinders
6
Speed at Rated Power
2,000 rpm
Engine Model
Cat® C9.3 ACERT™
Standard Capability
109 °F
Base Power (1st Gear) - Net - Metric
181 HP
Torque Rise
38%
Emissions
U.S. EPA Tier 4 Final/EU Stage IV

Weights

Operating Weight - Typically Equipped
44614 lb

Moldboard

Blade Width
12 ft
Arc Radius
16.3 in
Throat Clearance
6.5 in
End Bit - Width
6 in
Cutting Edge Width
6 in
End Bit - Thickness
0.6 in
Cutting Edge Thickness
0.6 in

Service Refill

Fuel Capacity
104 gal (US)
Hydraulic System - Tank
16.9 gal (US)
Hydraulic System - Total
26.4 gal (US)
Transmission - Differential - Final Drives
18.5 gal (US)
Tandem Housing - Each
20 gal (US)
Front Wheel Spindle Bearing Housing
0.13 gal (US)
Circle Drive Housing
1.8 gal (US)
Cooling System
15 gal (US)
Engine Oil
7.9 gal (US)

Power Train

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

Dimensions

Width - Outside Rear Tires
98.9 in
Height - Top of Cab
130 in

Hydraulic System

Circuit Type
Parallel
Pump Type
Variable Piston
Pump Output
55.7 gal/min
Maximum System Pressure
3500 psi
Standby Pressure
885 psi

Standards

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

Blade Range

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

Operating Specifications

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

Frame

Front Axle - Total Oscillation per Side
32°
Circle - Blade Beam Thickness
1.6 in
Front Frame Structure - Width
12 in
Drawbar - Width
3 in
Drawbar - Height
6 in
Front Axle - Height to Center
23.5 in
Circle - Diameter
60.2 in
Front Frame Structure - Height
12.6 in

Tandems

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

Ripper

Ripping Depth - Maximum
16.8 in
Ripper Shank Holders
5
Penetration Force
20812 lb
Pry-Out Force
27794 lb
Machine Length Increase, Beam Raised
40.6 in