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Motor Graders

18 Motor Grader

Base Power (1st Gear) - Net

304 HP

Operating Weight - Typically Equipped

74,324 lb

Blade Width

18 ft

SPECIFICATIONS

The 18 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 18 enhances operational efficiencies by increasing coverage and reducing the number of passes required to complete the width of the road in certain applications. The 18 includes features that provide large benefits on operating cost reduction, uptime & performance improvements as well as enhanced safety.

    Blade Range

    Maximum Blade Position Angle

    65°

    Maximum Lift Above Ground

    15.7 in

    Maximum Depth of Cut

    18.5 in

    Circle Centershift - Left

    27.2 in

    Blade Tip Range - Forward

    40°

    Blade Tip Range - Backward

    Moldboard Sideshift - Left

    29.1 in

    Moldboard Sideshift - Right

    31.1 in

    Maximum Shoulder Reach Outside of Tires - Left

    103 in

    Circle Centershift - Right

    22 in

    Maximum Shoulder Reach Outside of Tires - Right

    103 in

    Dimensions (Approximate)

    Length - Between Tandem Axles

    72.5 in

    Height - Top of Cylinders

    122.6 in

    Height - Front Axle Center

    29.9 in

    Length - Front Axle to Mid Tandem

    290 in

    Height - Top of Cab

    147.5 in

    Width - Outside Rear Tires

    134.3 in

    Height - Exhaust Stack

    141.1 in

    Width - Tire Center Lines

    106.4 in

    Length - Front Axle to Moldboard

    120.7 in

    Length - Counterweight to Ripper

    474.4 in

    Width - Outside Front Tires

    134.3 in

    Length - Front Tire to Rear of Machine - Including Tow Hitch

    417 in

    Ground Clearance - Rear Axle

    16.7 in

    Engine

    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

    Emissions (2)

    Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards

    Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent

    1,270 lb/ft

    Standard - Fan Speed - Minimum

    550 rpm

    Emissions (1)

    U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final)

    Emissions (3)

    Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards

    VHP Range - Net - Metric

    227-266 kW (309-362 hp)

    Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent

    38%

    Base Power (1st Gear) - Net - Metric

    309 HP

    Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)

    1,306 lb/ft

    Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent

    12,973 ft

    Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent

    12,176 ft

    Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent

    1,270 lb/ft

    Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent

    38%

    Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)

    12,500 ft

    Standard - Fan Speed - Maximum

    1,450 rpm

    Standard - Ambient Capability

    122 °F

    VHP Range - Net

    227-266 kW (304-357 hp)

    Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)

    40%

    Optimized VHP Range - Net

    227-266 kW (304-357 hp)

    Displacement

    763 in³

    Number of Cylinders

    6

    Frame

    Circle - Diameter

    71.7 in

    Front Frame Structure - Height

    18.1 in

    Drawbar - Width

    in

    Front Axle - Total Oscillation per Side

    35°

    Front Frame Structure - Width

    14 in

    Front Axle - Height to Center

    26.4 in

    Front Frame Structure - Thickness

    0.6 in

    Circle - Blade Beam Thickness

    in

    Front Axle - Wheel Lean

    18° Left/17° Right

    Drawbar - Height

    in

    Hydraulic System

    Circuit Type

    Electro-hydraulic load sensing, closed center

    Pump Type

    Variable piston

    Maximum System Pressure

    3,590 psi

    Standby Pressure

    856 psi

    Pump Output*

    74 gal/min

    Note

    *Pump output measured at 2,150 rpm.

    Moldboard

    Blade Width

    18 ft

    Arc Radius

    16.3 in

    Throat Clearance

    in

    Note

    *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight.

    Down Force - Maximum GVW

    43,861 lb

    End Bit - Thickness

    0.75 in

    Height

    31 in

    Width

    18 ft

    Cutting Edge Width

    10 in

    Cutting Edge Thickness

    1.4 in

    Thickness

    in

    End Bit - Width

    in

    Down Force - Base GVW

    34,008 lb

    Blade Pull* - Base GVW

    47,216 lb

    Blade Pull* - Maximum GVW

    52,878 lb

    Operating Specifications

    Forward - 3rd

    5.5 mile/h

    Articulation Angle - Left/Right

    20°

    Top Speed - Reverse

    25.3 mile/h

    Turning Radius - Outside Front Tires

    30.5 ft

    Reverse - 2nd

    4.1 mile/h

    Forward - 1st

    2.8 mile/h

    Reverse - 6th

    25.3 mile/h

    Forward - 4th

    7.6 mile/h

    Forward - 7th

    22 mile/h

    Reverse - 1st

    2.2 mile/h

    Reverse - 4th

    9.3 mile/h

    Top Speed - Forward

    32.1 mile/h

    Steering Range - Left/Right

    47.5°

    Reverse - 5th

    17.4 mile/h

    Reverse - 3rd

    mile/h

    Forward - 6th

    16 mile/h

    Forward - 2nd

    3.8 mile/h

    Forward - 8th

    32.1 mile/h

    Forward - 5th

    11.8 mile/h

    Note

    Calculated with no slip and 23.5R25 L-3 tires.

    Optional Tire Arrangements

    Wheel Group - 19.5×25 MP (5)

    Tires: 23.5R25 Michelin XLDD 2 Star L5

    Wheel Group - 19.5×25 MP (4)

    Tires: 23.5R25 Michelin XHA 2 Star

    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

    Power Train

    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

    27,069.27 lb/ft

    Brakes - Service

    Oil-actuated, oil disc

    Brakes - Secondary

    Oil-actuated, oil-disc

    Ripper

    Shank Holder Spacing - Minimum

    17.5 in

    Ripping Depth - Maximum

    17.8 in

    Shank Holder Spacing - Maximum

    20 in

    Ripper Shank Holders

    7

    Penetration Force

    30,311 lb

    Pry-Out Force

    43,700 lb

    Machine Length Increase, Beam Raised

    63.4 in

    Service Refill

    Fuel Capacity

    131 gal (US)

    Cooling System

    18.5 gal (US)

    Hydraulic System - Tank

    18.5 gal (US)

    DEF Tank

    4.2 gal (US)

    Hydraulic System - Total

    38.6 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)

    Standards

    Steering

    ISO 5010: 2007

    Brakes

    ISO 3450: 2011

    Sound

    ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008

    ROPS/FOPS

    ISO 3471: 2008/ISO 3449: 2005

    Tandems

    Sidewall Thickness - Outer

    0.9 in

    Tandem Oscillation - Front Up

    15°

    Sidewall Thickness - Inner

    0.9 in

    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

    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 - Reverse 3rd-6th

    315 HP

    Gear - Forward 3rd

    315 HP

    Gear - Forward 7th

    347 HP

    Gear - Forward 8th

    362 HP

    Gear - Forward 5th

    332 HP

    Gear - Forward 2nd

    309 HP

    Gear - Forward 4th

    325 HP

    Gear - Reverse 1st

    309 HP

    Gear - Forward 1st

    309 HP

    Gear - Reverse 2nd

    309 HP

    Gear - Forward 6th

    341 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 - Net

    Gear - Forward 8th

    357 HP

    Gear - Forward 6th

    337 HP

    Gear - Forward 4th

    321 HP

    Gear - Reverse 1st

    304 HP

    Gear - Reverse 3rd-6th

    311 HP

    Gear - Forward 7th

    342 HP

    Gear - Reverse 2nd

    304 HP

    Gear - Forward 1st

    304 HP

    Gear - Forward 3rd

    311 HP

    Gear - Forward 2nd

    304 HP

    Gear - Forward 5th

    327 HP

    Weights

    Operating Weight - Typically Equipped

    74,324 lb

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

    Note (2)

    **Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab.

    Gross Vehicle Weight - Maximum Tested - Total

    84,877 lb

    Gross Vehicle Weight - Typically Equipped - Total

    74,324 lb

    Gross Vehicle Weight - Typically Equipped - Front Axle

    20,494 lb

    Gross Vehicle Weight - Base** - Front Axle

    19,837 lb

    Gross Vehicle Weight - Maximum Tested - Front Axle

    26,125 lb

    Gross Vehicle Weight - Maximum Tested - Rear Axle

    58,753 lb

    Gross Vehicle Weight - Base** - Total

    72,298 lb

    Gross Vehicle Weight - Base** - Rear Axle

    52,461 lb

    Gross Vehicle Weight - Typically Equipped - Rear Axle

    53,830 lb

    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
      • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • OPERATOR ENVIRONMENT
      • Adjustable electric arm rest
      • Adjustable wrist rest
      • Air conditioner with heater
      • Air horn
      • Articulation, automatic Return-to-Center
      • Centershift pin indicator
      • Coat hook
      • Cup holder
      • Display, digital speed and gear
      • Doors, left and right side with wiper
      • Gauges (analog) inside the cab (includes fuel, articulation, engine coolant temp, engine RPM, and hydraulic oil temp)
      • Gauges, machine level
      • Information display touch screen
      • Joystick gear selection
      • Joystick hydraulic controls for implements, steering, transmission
      • Ladders, cab, left and right side
      • Lights, left and right side lights
      • Lights, night time cab
      • Meter, hour, digital
      • Mirror, inside rearview, wide angle
      • Power port, 12V
      • Radio ready, entertainment
      • ROPS cab, sound suppressed, less than 73 dB(A) ISO 6394 (70% fan speed)
      • Seat, cloth-covered, comfort air suspension
      • Storage compartments
      • Throttle control, electronic
    • POWER TRAIN
      • Air cleaner, dual stage dry type radial seal with service indicator through messenger and automatic dust ejector
      • Air-to-air after cooler (ATAAC)
      • Auto Diff Lock
      • Belt, serpentine, automatic tensioner
      • Brake wear indication
      • Brakes, oil disc, four-wheel, hydraulic
      • Consistent power to ground
      • Critically Low Fluid Level Monitoring System
      • Differential, lock/unlock
      • Drain, engine oil, high speed
      • Electronic over speed protection
      • Engine ECO Mode: Tier 4 Final/Stage V/Japan 2014 (Tier 4 Final) and Tier 2/Stage II/Japan 2001 (Tier 2) equivalent emission standards
      • Engine, compression brake
      • Ether starting aid
      • Fuel tank, fast fill, ground level
      • Fuel-water separator
      • Hydraulic Demand Fan
      • Muffler, under hood (Tier 2/Stage II/Japan 2001 (Tier 2) equivalent and Tier 3/Stage IIIA/Japan 2006 (Tier 3) equivalent emission standards
      • OK-to-Start
      • Optimized VHP
      • Parking brake – multi disc, sealed, oil-cooled
      • Priming pump, fuel
      • Rear axle, modular
      • Sediment drain, fuel tank
      • Three variations of the C13 engine. One meets U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final) emission standards and is required for sale in higher regulated countries. The other options are capable of meeting Tier 2/Stage II/Japan 2001 (Tier 2) equivalent or Tier 3/Stage IIIA/Japan 2006 (Tier 3) equivalent emission standards.
      • Transmission, 8F/6R, power shift
      • VIMS no telematics
    • GUARDS
      • Front axle cylinder guard
      • Transmission guard
    • ELECTRICAL
      • Alternator, 150 ampere, sealed
      • Batteries, maintenance free, heavy duty, 1,400 CCA
      • Breaker panel
      • Electrical system, 24V
      • Lights: brake, reversing, roof-mounted roading, stop and tail (LED), work front
      • Product Link
      • Starter, electric, heavy duty
    • SAFETY
      • Alarm, back up
      • Ground level engine shutdown
      • Hammer (emergency exit)
      • Horn, electric
      • Lockout, hydraulic implement for roading
      • Operator not present monitoring system
      • Paint, glare reducing – top of front frame, rear enclosure and ripper cylinders
      • Rearview camera
      • Seat belt indicator
      • Seat belt, retractable 76 mm (3 in)
      • Secondary steering
      • Windows, laminated glass: – Fixed front with intermittent wiper – Door with intermittent wipers (two)
      • Windows, tempered: – Left and right side wipers – Rear with intermittent wiper
      • Light, LED, warning strobe
      • Lights front LED
      • Lights, front headlights high
      • Lights, front headlights low
      • Mounting, for warning light
      • Service lights
      • Working lights Halogen
      • Working lights LED
    • OTHER STANDARD EQUIPMENT
      • 3-bolt blade bracket
      • AccuGrade ARO
      • Accumulators, blade lift
      • Brake accumulators, dual certified
      • Cat Grade Control Cross Slope
      • CD ROM Parts Book
      • Clutch, circle drive slip
      • Cutting edges, flat DH-2 steel: – 254 mm × 35 mm (10 in × 1.4 in) – 19 mm (3⁄4 in) mounting bolts
      • Doors (four), engine compartment, (two left, two right hand) locking
      • Doors, two service, left and right side
      • Drawbar – six shoe with replaceable wear strips
      • End bits, 16 mm (5⁄8 in) DH-2 steel, 19 mm (3⁄4 in) mounting bolts
      • Fast fill fuel 567.8 L/min (150 gpm)
      • Fluid check
      • Frame, articulated, with safety lock
      • Hydraulics, load-sensing
      • Metallic fuel tank, 496 L (131 gal)
      • Metallic DCM wear strips
      • Modular cooling package
      • Moldboard: – 5.5 m × 787 mm × 25 mm (18 ft × 31 in × 1 in) – Hydraulic side shift and tip
      • Radiator, two cleanout access doors
      • Rear bumper
      • Rear tandem access steps and hand bars
      • S·O·S ports: engine, hydraulic, transmission, coolant
      • Tandem walkway
      • Top adjust circle wear strips
      • Fire suppression ready
      • Ripper, rear
      • Push block, counterweight
    • WORK TOOLS/G.E.T.
      • 5.5 m (18 ft) blade with flat cutting edge 254 mm × 35 mm (10 in × 13⁄8 in)
    • TIRES, RIMS, AND WHEELS
      • A partial allowance for tires on 597 mm × 609.6 mm (23.5 in × 24 in) multi-piece rims is included in the base machine price and weight
    • FLUIDS
      • Extended Life Coolant to –35° C (–31° F)

    • NOTE
      • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • 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)

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