18M3 Motor Grader

18M3 Motor Grader

360° Exterior View

The 18M3 builds on the success of the 16M and offers additional power, a wider moldboard and the possibility to use a more aggressive blade angle, making it ...
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Engine

Base Power (1st Gear) - Net
304HP
Engine Model
Cat® C13 ACERT™ VHP
Bore
5.1in
Stroke
6.2in
Speed at Rated Power
2,000 rpm
Base Power (1st Gear) - Net - Metric
309HP
Emissions (1)
U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final)
Emissions (2)
Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards
Emissions (3)
Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards
VHP Range - Net
227-266 kW (304-357 hp)
Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)
40%
Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent
38%
VHP Range - Net - Metric
227-266 kW (309-362 hp)
Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent
38%
Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)
1306lb/ft
Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent
1270lb/ft
Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent
1270lb/ft
Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)
12500ft
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent
12176ft
Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent
12973ft
Standard - Fan Speed - Maximum
1,450 rpm
Standard - Fan Speed - Minimum
550 rpm
Standard - Ambient Capability
122°F
Optimized VHP Range - Net
227-266 kW (304-357 hp)
Displacement
763in³
Number of Cylinders
6

Weights

Operating Weight - Typically Equipped
74324lb

Moldboard

Blade Width
18ft
Arc Radius
16.3in
Throat Clearance
5in
Height
31in
Thickness
1in
Cutting Edge Width
10in
Cutting Edge Thickness
1.4in
End Bit - Width
6in
End Bit - Thickness
0.75in
Blade Pull* - Base GVW
47216lb
Blade Pull* - Maximum GVW
52878lb
Down Force - Base GVW
34008lb
Down Force - Maximum GVW
43861lb
Width
18ft
Note
*Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight.

Service Refill

Fuel Capacity
131gal (US)
Cooling System
18.5gal (US)
Hydraulic System - Total
38.6gal (US)
Hydraulic System - Tank
18.5gal (US)
DEF Tank
4.2gal (US)
Engine Oil
9.5gal (US)
Transmission - Differential - Final Drives
26gal (US)
Tandem Housing - Each
34gal (US)
Front Wheel Spindle Bearing Housing
0.24gal (US)
Circle Drive Housing
2.6gal (US)

Power Train

Forward/Reverse Gears
8 Forward/6 Reverse
Transmission
Direct drive, power shift, countershaft
Brakes - Service
Oil-actuated, oil disc
Brakes - Dynamic Brake Torque per Wheel
27069.27lb/ft
Brakes - Parking
Spring applied, hydraulically released
Brakes - Secondary
Oil-actuated, oil-disc

Hydraulic System

Circuit Type
Electro-hydraulic load sensing, closed center
Pump Type
Variable piston
Maximum System Pressure
3590psi
Standby Pressure
856psi
Pump Output*
74gal/min
Note
*Pump output measured at 2,150 rpm.

Blade Range

Maximum Blade Position Angle
65°
Maximum Lift Above Ground
15.7in
Maximum Depth of Cut
18.5in
Circle Centershift - Right
22in
Circle Centershift - Left
27.2in
Moldboard Sideshift - Right
31.1in
Moldboard Sideshift - Left
29.1in
Blade Tip Range - Forward
40°
Blade Tip Range - Backward
Maximum Shoulder Reach Outside of Tires - Right
103in
Maximum Shoulder Reach Outside of Tires - Left
103in

Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)*

Gross Vehicle Weight - Typically Equipped - Total
74324lb
Gross Vehicle Weight - Typically Equipped - Front Axle
20494lb
Gross Vehicle Weight - Typically Equipped - Rear Axle
53830lb
Gross Vehicle Weight - Base** - Total
72298lb
Gross Vehicle Weight - Base** - Front Axle
19837lb
Gross Vehicle Weight - Base** - Rear Axle
52461lb
Gross Vehicle Weight - Maximum Tested - Total
84877lb
Gross Vehicle Weight - Maximum Tested - Front Axle
26125lb
Gross Vehicle Weight - Maximum Tested - Rear Axle
58753lb
Note (1)
*No Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final) emission engine: subtract 150 kg (331 lb) from rear axle wt. & total wt.
Note (2)
**Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab.

Dimensions (Approximate)

Height - Top of Cab
147.5in
Height - Front Axle Center
29.9in
Length - Between Tandem Axles
72.5in
Length - Front Axle to Moldboard
120.7in
Length - Front Axle to Mid Tandem
290in
Length - Front Tire to Rear of Machine - Including Tow Hitch
417in
Length - Counterweight to Ripper
474.4in
Ground Clearance - Rear Axle
16.7in
Height - Top of Cylinders
122.6in
Height - Exhaust Stack
141.1in
Width - Tire Center Lines
106.4in
Width - Outside Rear Tires
134.3in
Width - Outside Front Tires
134.3in

Operating Specifications

Top Speed - Forward
32.1mile/h
Top Speed - Reverse
25.3mile/h
Turning Radius - Outside Front Tires
30.5ft
Steering Range - Left/Right
47.5°
Articulation Angle - Left/Right
20°
Forward - 1st
2.8mile/h
Forward - 2nd
3.8mile/h
Forward - 3rd
5.5mile/h
Forward - 4th
7.6mile/h
Forward - 5th
11.8mile/h
Forward - 6th
16mile/h
Forward - 7th
22mile/h
Forward - 8th
32.1mile/h
Reverse - 1st
2.2mile/h
Reverse - 2nd
4.1mile/h
Reverse - 3rd
6mile/h
Reverse - 4th
9.3mile/h
Reverse - 5th
17.4mile/h
Reverse - 6th
25.3mile/h
Note
Calculated with no slip and 23.5R25 L-3 tires.

Frame

Drawbar - Width
3in
Circle - Diameter
71.7in
Circle - Blade Beam Thickness
2in
Drawbar - Height
8in
Front Frame Structure - Thickness
0.6in
Front Frame Structure - Height
18.1in
Front Frame Structure - Width
14in
Front Axle - Height to Center
26.4in
Front Axle - Wheel Lean
18° Left/17° Right
Front Axle - Total Oscillation per Side
35°

Standards

Brakes
ISO 3450: 2011
ROPS/FOPS
ISO 3471: 2008/ISO 3449: 2005
Sound
ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008
Steering
ISO 5010: 2007

Ripper

Shank Holder Spacing - Minimum
17.5in
Ripping Depth - Maximum
17.8in
Shank Holder Spacing - Maximum
20in
Ripper Shank Holders
7
Penetration Force
30311lb
Pry-Out Force
43700lb
Machine Length Increase, Beam Raised
63.4in

Tandems

Sidewall Thickness - Inner
0.9in
Sidewall Thickness - Outer
0.9in
Tandem Oscillation - Front Up
15°
Tandem Oscillation - Front Down
25°
Height
25.5in
Width
9.3in
Drive Chain Pitch
2.5in
Wheel Axle Spacing
72.5in

Variable Power Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final), Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent or Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards - Net

Gear - Forward 1st
304HP
Gear - Forward 2nd
304HP
Gear - Forward 3rd
311HP
Gear - Forward 4th
321HP
Gear - Forward 5th
327HP
Gear - Forward 6th
337HP
Gear - Forward 7th
342HP
Gear - Forward 8th
357HP
Gear - Reverse 1st
304HP
Gear - Reverse 2nd
304HP
Gear - Reverse 3rd-6th
311HP

Variable Power Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final), Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent or Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards - Metric

Gear - Forward 1st
309HP
Gear - Forward 2nd
309HP
Gear - Forward 3rd
315HP
Gear - Forward 4th
325HP
Gear - Forward 5th
332HP
Gear - Forward 6th
341HP
Gear - Forward 7th
347HP
Gear - Forward 8th
362HP
Gear - Reverse 1st
309HP
Gear - Reverse 2nd
309HP
Gear - Reverse 3rd-6th
315HP

Optional Tire Arrangements

Wheel Group - 19.5×25 MP (1)
Tires: 23.5R25 Bridgestone VKT 2 Star
Wheel Group - 19.5×25 MP (2)
Tires: 23.5R25 Bridgestone VKT 1 Star
Wheel Group - 19.5×25 MP (3)
Tires: 23.5R25 Bridgestone VJT 1 Star
Wheel Group - 19.5×25 MP (4)
Tires: 23.5R25 Michelin XHA 2 Star
Wheel Group - 19.5×25 MP (5)
Tires: 23.5R25 Michelin XLDD 2 Star L5

Standard Equipment:

Optional Equipment:

    Operator Environment
    • Comfort package
    • Heated door
    • Mirrors high visibility
    • Mirrors, outside heated 24V
    • Mirrors, outside mounted
    • Seat heated
    • Seat heated/ventilated
    • Windows cleaning platform and ladders left-right hand side
    Power Train
    • Transmission, autoshift
    Guards
    • Debris guard
    • Rear fenders
    • Sound suppression, engine enclosure and transmission
    Safety
    • Additional monitor for rearview camera
    • Enhanced access platform
    • Machine Security System Key
    • Service access platform
    Other Attachments
    • Auto-lube, Centro-matic
    • Auto-lube, ripper enhancement
    • Control, blade, variable float
    • Heater, engine coolant, 120V
    • Heater, engine coolant, 240V
    • Hydraulic arrangements with additional hydraulic valves Base+1
    • Hydraulic arrangements with additional hydraulic valves Base+5
    • Product Link Elite dual
    • Rim, 495.3 mm × 635 mm (19.5 in × 25 in) MP (spare)
    • Weather, Cold Plus package
    Work Tools/g.e.t.
    • 5.5 m (18 ft) blade with curved cutting edge 203 mm × 25 mm (8 in × 1 in)
    • Tooth, ripper
    Fluids
    • Coolant, –51° C (–60° F)