Motor Graders

Cat 18

Operating Weight
33,713kg
Net Power
227kW (309hp)
Moldboard Width
5.5m
With additional power, wider moldboard and the possibility to use a more aggressive blade angle; the 18M3 enhances operational efficiencies by increasing coverage and reducing the number of passes required to grade your haul roads. The 18M3 Motor Grader is an ideal fi t for small to medium size mining operations that run 172 tonne or smaller hauling trucks.

Specifications

Operating Weight
33,713kg
Net Power
227kW (309hp)
Moldboard Width
5.5m
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Specifications

Engine
Base Power (1st Gear) - Net 227kW Base Power (1st Gear) - Net - Metric 227kW Bore 130mm Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 3954m Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 3711m Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 3810m Displacement 12.5l Emissions (1) U.S. EPA Tier 4 Final/EU Stage V/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 Engine Model Cat® C13 Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 1721N·m Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 1721N·m Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 1771N·m Number of Cylinders 6 Optimized VHP Range - Net 227-266 kW (304-357 hp) Speed at Rated Power 2,000 rpm Standard - Ambient Capability 50°C Standard - Fan Speed - Maximum 1,450 rpm Standard - Fan Speed - Minimum 550 rpm Stroke 157mm Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 38% Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 38% Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 40% VHP Range - Net 227-266 kW (304-357 hp) VHP Range - Net - Metric 227-266 kW (309-362 hp)
Power Train
Brakes - Dynamic Brake Torque per Wheel 36701N·m Brakes - Parking Spring applied, hydraulically released Brakes - Secondary Oil-actuated, oil-disc Brakes - Service Oil-actuated, oil disc Forward/Reverse Gears 8 Forward/6 Reverse Transmission Direct drive, power shift, countershaft
Hydraulic System
Circuit Type Electro-hydraulic load sensing, closed center Maximum System Pressure 24750kPa Note *Pump output measured at 2,150 rpm. Pump Output* 280l/min Pump Type Variable piston Standby Pressure 5900kPa
Operating Specifications
Articulation Angle - Left/Right 20° Forward - 1st 4.5km/h Forward - 2nd 6.1km/h Forward - 3rd 8.9km/h Forward - 4th 12.3km/h Forward - 5th 19km/h Forward - 6th 25.8km/h Forward - 7th 35.5km/h Forward - 8th 51.7km/h Note Calculated with no slip and 23.5R25 L-3 tires. Reverse - 1st 3.6km/h Reverse - 2nd 6.6km/h Reverse - 3rd 9.7km/h Reverse - 4th 15km/h Reverse - 5th 28km/h Reverse - 6th 40.8km/h Steering Range - Left/Right 47.5° Top Speed - Forward 51.7km/h Top Speed - Reverse 40.8km/h Turning Radius - Outside Front Tires 9.3m
Service Refill
Circle Drive Housing 10l Cooling System 70l DEF Tank 16l Engine Oil 36l Front Wheel Spindle Bearing Housing 0.9l Fuel Capacity 496l Hydraulic System - Tank 70l Hydraulic System - Total 146l Tandem Housing - Each 129l Transmission - Differential - Final Drives 98.5l
Frame
Circle - Blade Beam Thickness 50mm Circle - Diameter 1822mm Drawbar - Height 203mm Drawbar - Width 76mm Front Axle - Height to Center 670mm Front Axle - Total Oscillation per Side 35° Front Axle - Wheel Lean 18° Left/17° Right Front Frame Structure - Height 460mm Front Frame Structure - Thickness 14mm Front Frame Structure - Width 356mm
Tandems
Drive Chain Pitch 63.5mm Height 648mm Sidewall Thickness - Inner 22mm Sidewall Thickness - Outer 22mm Tandem Oscillation - Front Down 25° Tandem Oscillation - Front Up 15° Wheel Axle Spacing 1841mm Width 236mm
Moldboard
Arc Radius 413mm Blade Pull* - Base GVW 21417kg Blade Pull* - Maximum GVW 23985kg Blade Width 5.5m Cutting Edge Thickness 35mm Cutting Edge Width 254mm Down Force - Base GVW 15426kg Down Force - Maximum GVW 19895kg End Bit - Thickness 19mm End Bit - Width 152mm Height 787mm Note *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight. Thickness 25mm Throat Clearance 126mm Width 5.5m
Blade Range
Blade Tip Range - Backward Blade Tip Range - Forward 40° Circle Centershift - Left 690mm Circle Centershift - Right 560mm Maximum Blade Position Angle 65° Maximum Depth of Cut 470mm Maximum Lift Above Ground 400mm Maximum Shoulder Reach Outside of Tires - Left 2605mm Maximum Shoulder Reach Outside of Tires - Right 2605mm Moldboard Sideshift - Left 740mm Moldboard Sideshift - Right 790mm
Ripper
Machine Length Increase, Beam Raised 1610mm Penetration Force 13749kg Pry-Out Force 19822kg Ripper Shank Holders 7 Ripping Depth - Maximum 452mm Shank Holder Spacing - Maximum 500mm Shank Holder Spacing - Minimum 445mm
Weights
Operating Weight - Typically Equipped 33713kg
Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)*
Gross Vehicle Weight - Base** - Front Axle 8998kg Gross Vehicle Weight - Base** - Rear Axle 23796kg Gross Vehicle Weight - Base** - Total 32794kg Gross Vehicle Weight - Maximum Tested - Front Axle 11850kg Gross Vehicle Weight - Maximum Tested - Rear Axle 26650kg Gross Vehicle Weight - Maximum Tested - Total 38500kg Gross Vehicle Weight - Typically Equipped - Front Axle 9296kg Gross Vehicle Weight - Typically Equipped - Rear Axle 24417kg Gross Vehicle Weight - Typically Equipped - Total 33713kg 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)
Ground Clearance - Rear Axle 423mm Height - Exhaust Stack 3584mm Height - Front Axle Center 760mm Height - Top of Cab 3746mm Height - Top of Cylinders 3115mm Length - Between Tandem Axles 1841mm Length - Counterweight to Ripper 12051mm Length - Front Axle to Mid Tandem 7365mm Length - Front Axle to Moldboard 3066mm Length - Front Tire to Rear of Machine - Including Tow Hitch 10593mm Width - Outside Front Tires 3411mm Width - Outside Rear Tires 3411mm Width - Tire Center Lines 2703mm
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
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
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 227kW Gear - Forward 2nd 227kW Gear - Forward 3rd 232kW Gear - Forward 4th 239kW Gear - Forward 5th 244kW Gear - Forward 6th 251kW Gear - Forward 7th 255kW Gear - Forward 8th 266kW Gear - Reverse 1st 227kW Gear - Reverse 2nd 227kW Gear - Reverse 3rd-6th 232kW

How does the 18 Compare?

  • Cat 18
    Motor Graders Cat 18
    Operating Weight
    33,713kg
    Net Power
    227kW (309hp)
    Moldboard Width
    5.5m
    SELECTED MODEL

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  • Cat 16
    Motor Graders Cat 16
    Operating Weight
    32,411kg
    Net Power
    216kW (294hp)
    Moldboard Width
    4.9m

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  • Cat 24
    Motor Graders Cat 24
    Operating Weight
    73,344kg
    Net Power
    399kW (543hp)
    Moldboard Width
    7.3m

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