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Ziegler CAT

18M3 Motor Grader

More power, more efficiency, improved emissions control and a wider moldboard help the Cat® 18M3 rise up to the challenge of mining operations. Technologies assist the operator and work to minimize operating costs. And, Cat durability helps ensure peak availability.

Brand: Caterpillar

Photos

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Exterior

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Interior

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Specifications

  • Engine
    SpecValue
    Base Power (1st Gear) - Net 304 HP
    Engine Model Cat® C13
    Bore 5.1 in
    Stroke 6.2 in
    Speed at Rated Power 2,000 rpm
    Standard - Ambient Capability 122 °F
    Base Power (1st Gear) - Net - Metric 309 HP
    VHP Range - Net 227-266 kW (304-357 hp)
    Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 1270 lb/ft
    Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 12973 ft
    Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 12176 ft
    Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 1270 lb/ft
    Standard - Fan Speed - Minimum 550 rpm
    Emissions (1) U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final)
    Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 40%
    Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 1306 lb/ft
    Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 12500 ft
    Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 38%
    Standard - Fan Speed - Maximum 1,450 rpm
    Emissions (2) Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards
    Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 38%
    VHP Range - Net - Metric 227-266 kW (309-362 hp)
    Emissions (3) Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards
    Displacement 763 in³
    Number of Cylinders 6
    Optimized VHP Range - Net 227-266 kW (304-357 hp)
  • Power Train
    SpecValue
    Forward/Reverse Gears 8 Forward/6 Reverse
    Transmission Direct drive, power shift, countershaft
    Brakes - Parking Spring applied, hydraulically released
    Brakes - Dynamic Brake Torque per Wheel 27069.27 lb/ft
    Brakes - Service Oil-actuated, oil disc
    Brakes - Secondary Oil-actuated, oil-disc
  • Hydraulic System
    SpecValue
    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
    SpecValue
    Forward - 6th 16 mile/h
    Forward - 2nd 3.8 mile/h
    Forward - 8th 32.1 mile/h
    Forward - 5th 11.8 mile/h
    Reverse - 3rd 6 mile/h
    Turning Radius - Outside Front Tires 30.5 ft
    Forward - 4th 7.6 mile/h
    Top Speed - Reverse 25.3 mile/h
    Forward - 7th 22 mile/h
    Articulation Angle - Left/Right 20°
    Reverse - 1st 2.2 mile/h
    Forward - 3rd 5.5 mile/h
    Reverse - 4th 9.3 mile/h
    Forward - 1st 2.8 mile/h
    Top Speed - Forward 32.1 mile/h
    Reverse - 6th 25.3 mile/h
    Steering Range - Left/Right 47.5°
    Reverse - 2nd 4.1 mile/h
    Reverse - 5th 17.4 mile/h
    Note Calculated with no slip and 23.5R25 L-3 tires.
  • Service Refill
    SpecValue
    Fuel Capacity 131 gal (US)
    Cooling System 18.5 gal (US)
    Hydraulic System - Tank 18.5 gal (US)
    Hydraulic System - Total 38.6 gal (US)
    DEF Tank 4.2 gal (US)
    Engine Oil 9.5 gal (US)
    Transmission - Differential - Final Drives 26 gal (US)
    Tandem Housing - Each 34 gal (US)
    Front Wheel Spindle Bearing Housing 0.24 gal (US)
    Circle Drive Housing 2.6 gal (US)
  • Frame
    SpecValue
    Front Frame Structure - Width 14 in
    Front Axle - Height to Center 26.4 in
    Circle - Diameter 71.7 in
    Front Frame Structure - Thickness 0.6 in
    Front Frame Structure - Height 18.1 in
    Circle - Blade Beam Thickness 2 in
    Drawbar - Width 3 in
    Front Axle - Wheel Lean 18° Left/17° Right
    Front Axle - Total Oscillation per Side 35°
    Drawbar - Height 8 in
  • Tandems
    SpecValue
    Sidewall Thickness - Outer 0.9 in
    Sidewall Thickness - Inner 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
    SpecValue
    Blade Width 18 ft
    Arc Radius 16.3 in
    Throat Clearance 5 in
    Down Force - Maximum GVW 43861 lb
    Blade Pull* - Base GVW 47216 lb
    Blade Pull* - Maximum GVW 52878 lb
    End Bit - Width 6 in
    Down Force - Base GVW 34008 lb
    Cutting Edge Thickness 1.4 in
    Thickness 1 in
    Width 18 ft
    Cutting Edge Width 10 in
    End Bit - Thickness 0.75 in
    Height 31 in
    Note *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight.
  • Blade Range
    SpecValue
    Maximum Blade Position Angle 65°
    Maximum Lift Above Ground 15.7 in
    Maximum Depth of Cut 18.5 in
    Maximum Shoulder Reach Outside of Tires - Right 103 in
    Circle Centershift - Right 22 in
    Maximum Shoulder Reach Outside of Tires - Left 103 in
    Moldboard Sideshift - Right 31.1 in
    Blade Tip Range - Backward
    Moldboard Sideshift - Left 29.1 in
    Circle Centershift - Left 27.2 in
    Blade Tip Range - Forward 40°
  • Ripper
    SpecValue
    Shank Holder Spacing - Minimum 17.5 in
    Ripping Depth - Maximum 17.8 in
    Ripper Shank Holders 7
    Penetration Force 30311 lb
    Pry-Out Force 43700 lb
    Machine Length Increase, Beam Raised 63.4 in
    Shank Holder Spacing - Maximum 20 in
  • Weights
    SpecValue
    Operating Weight - Typically Equipped 74324 lb
  • Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)*
    SpecValue
    Gross Vehicle Weight - Typically Equipped - Rear Axle 53830 lb
    Gross Vehicle Weight - Base** - Total 72298 lb
    Gross Vehicle Weight - Maximum Tested - Rear Axle 58753 lb
    Gross Vehicle Weight - Maximum Tested - Front Axle 26125 lb
    Gross Vehicle Weight - Typically Equipped - Front Axle 20494 lb
    Gross Vehicle Weight - Base** - Front Axle 19837 lb
    Gross Vehicle Weight - Maximum Tested - Total 84877 lb
    Gross Vehicle Weight - Typically Equipped - Total 74324 lb
    Gross Vehicle Weight - Base** - Rear Axle 52461 lb
    Note (2) **Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab.
    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.
  • Dimensions (Approximate)
    SpecValue
    Height - Top of Cylinders 122.6 in
    Width - Outside Rear Tires 134.3 in
    Height - Exhaust Stack 141.1 in
    Length - Between Tandem Axles 72.5 in
    Length - Front Axle to Mid Tandem 290 in
    Width - Tire Center Lines 106.4 in
    Length - Front Axle to Moldboard 120.7 in
    Length - Counterweight to Ripper 474.4 in
    Height - Front Axle Center 29.9 in
    Width - Outside Front Tires 134.3 in
    Length - Front Tire to Rear of Machine - Including Tow Hitch 417 in
    Height - Top of Cab 147.5 in
    Ground Clearance - Rear Axle 16.7 in
  • Standards
    SpecValue
    Sound ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008
    ROPS/FOPS ISO 3471: 2008/ISO 3449: 2005
    Brakes ISO 3450: 2011
    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 - Metric
    SpecValue
    Gear - Forward 1st 309 HP
    Gear - Forward 2nd 309 HP
    Gear - Reverse 2nd 309 HP
    Gear - Forward 4th 325 HP
    Gear - Forward 6th 341 HP
    Gear - Forward 5th 332 HP
    Gear - Forward 8th 362 HP
    Gear - Reverse 1st 309 HP
    Gear - Forward 3rd 315 HP
    Gear - Forward 7th 347 HP
    Gear - Reverse 3rd-6th 315 HP
  • Optional Tire Arrangements
    SpecValue
    Wheel Group - 19.5×25 MP (2) Tires: 23.5R25 Bridgestone VKT 1 Star
    Wheel Group - 19.5×25 MP (1) Tires: 23.5R25 Bridgestone VKT 2 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
    SpecValue
    Gear - Forward 4th 321 HP
    Gear - Reverse 2nd 304 HP
    Gear - Forward 1st 304 HP
    Gear - Reverse 3rd-6th 311 HP
    Gear - Forward 3rd 311 HP
    Gear - Forward 5th 327 HP
    Gear - Forward 7th 342 HP
    Gear - Forward 2nd 304 HP
    Gear - Reverse 1st 304 HP
    Gear - Forward 6th 337 HP
    Gear - Forward 8th 357 HP