18M3 Motor Grader

18M3 Motor Grader

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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 an ideal fit for mining operations that run 172-tonne (190-ton) or smaller trucks. The 18M3 enhances operational efficiencies by increasing coverage and reducing the number of passes required to complete the width of the road in certain applications. The 18M3 includes features that provide large benefits on operating cost reduction, uptime & performance improvements as well as enhanced safety.

Engine

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

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
27069.27 lbf-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
3590 psi
Standby Pressure
856 psi
Pump Output*
74 gal/min
Note
*Pump output measured at 2,150 rpm.

Operating Specifications

Top Speed – Forward
32.1 mph
Top Speed – Reverse
25.3 mph
Turning Radius (outside front tires)
30.5 ft
Steering Range – Left/Right
47.5°
Articulation Angle – Left /Right
20°
Forward – 1st
2.8 mph
Forward – 2nd
3.8 mph
Forward – 3rd
5.5 mph
Forward – 4th
7.6 mph
Forward – 5th
11.8 mph
Forward – 6th
16.0 mph
Forward – 7th
22.0 mph
Forward – 8th
32.1 mph
Reverse – 1st
2.2 mph
Reverse – 2nd
4.1 mph
Reverse – 3rd
6.0 mph
Reverse – 4th
9.3 mph
Reverse – 5th
17.4 mph
Reverse – 6th
25.3 mph
Note
Calculated with no slip and 23.5R25 L-3 tires.

Service Refill

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

Frame

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

Tandems

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

Moldboard

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

Blade Range

Maximum Blade Position Angle
65°
Maximum Lift above Ground
15.7 in
Maximum Depth of Cut
18.5 in
Circle Centershift – Right
22 in
Circle Centershift – Left
27.2 in
Moldboard Sideshift – Right
31.1 in
Moldboard Sideshift – Left
29.1 in
Blade Tip Range – Forward
40°
Blade Tip Range – Backward
5°
Maximum Shoulder Reach Outside of Tires – Right
103 in
Maximum Shoulder Reach Outside of Tires – Left
103 in

Ripper

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

Weights

Operating Weight - Typically Equipped
74324 lb

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

Gross Vehicle Weight – Typically Equipped: Total
74324 lb
Gross Vehicle Weight – Typically Equipped: Front Axle
20494 lb
Gross Vehicle Weight – Typically Equipped: Rear Axle
53830 lb
Gross Vehicle Weight – Base**: Total
72298 lb
Gross Vehicle Weight – Base**: Front Axle
19837 lb
Gross Vehicle Weight – Base**: Rear Axle
52461 lb
Gross Vehicle Weight – Maximum Tested: Total
84877 lb
Gross Vehicle Weight – Maximum Tested: Front Axle
26125 lb
Gross Vehicle Weight – Maximum Tested: Rear Axle
58753 lb
Note
*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
**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
147.5 in
Height – Front Axle Center
29.9 in
Length – Between Tandem Axles
72.5 in
Length – Front Axle to Moldboard
120.7 in
Length – Front Axle to Mid Tandem
290 in
Length – Front Tire to Rear of Machine (includes tow hitch)
417 in
Length – Counterweight to Ripper
474.4 in
Ground Clearance at Rear Axle
16.7 in
Height to Top of Cylinders
122.6 in
Height to Exhaust Stack
141.1 in
Width – Tire Center Lines
106.4 in
Width – Outside Rear Tires
134.3 in
Width – Outside Front Tires
134.3 in

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

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

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

Optional Tire Arrangements

Wheel Group: 19.5×25 MP
Tires: 23.5R25 Bridgestone VKT 2 Star
Wheel Group: 19.5×25 MP
Tires: 23.5R25 Bridgestone VKT 1 Star
Wheel Group: 19.5×25 MP
Tires: 23.5R25 Bridgestone VJT 1 Star
Wheel Group: 19.5×25 MP
Tires: 23.5R25 Michelin XHA 2 Star
Wheel Group: 19.5×25 MP
Tires: 23.5R25 Michelin XLDD 2 Star L5