18

Base Power (1st Gear) - Net
304 HP / 227 kW
Operating Weight - Typically Equipped
74324 lb / 33713 kg
Blade Width
18 ft / 5.5 m

More power, more efficiency, improved emissions control and a wider moldboard help the Cat® 18 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.

Engine
Base Power (1st Gear) - Net 304 HP / 227 kW
Engine Model Cat® C13
Bore 5.1 in / 130 mm
Stroke 6.2 in / 157 mm
Speed at Rated Power 2,000 rpm
Standard - Ambient Capability 122 °F / 50 °C
Base Power (1st Gear) - Net - Metric 309 HP / 227 kW
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 / 1721 N·m
Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent 12176 ft / 3711 m
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 12973 ft / 3954 m
Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent 1270 lb/ft / 1721 N·m
Standard - Fan Speed - Minimum 550 rpm
Emissions (1) U.S. EPA Tier 4 Final/EU Stage V/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 / 1771 N·m
Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) 12500 ft / 3810 m
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 / 12.5 l
Number of Cylinders 6
Optimized VHP Range - Net 227-266 kW (304-357 hp)
Weights
Operating Weight - Typically Equipped 74324 lb / 33713 kg
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 27069.27 lb/ft / 36701 N·m
Brakes - Service Oil-actuated, oil disc
Brakes - Secondary Oil-actuated, oil-disc
Moldboard
Blade Width 18 ft / 5.5 m
Arc Radius 16.3 in / 413 mm
Throat Clearance 5 in / 126 mm
Down Force - Maximum GVW 43861 lb / 19895 kg
Blade Pull* - Base GVW 47216 lb / 21417 kg
Blade Pull* - Maximum GVW 52878 lb / 23985 kg
End Bit - Width 6 in / 152 mm
Down Force - Base GVW 34008 lb / 15426 kg
Cutting Edge Thickness 1.4 in / 35 mm
Thickness 1 in / 25 mm
Width 18 ft / 5.5 m
Cutting Edge Width 10 in / 254 mm
End Bit - Thickness 0.75 in / 19 mm
Height 31 in / 787 mm
Note *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight.
Hydraulic System
Circuit Type Electro-hydraulic load sensing, closed center
Pump Type Variable piston
Maximum System Pressure 3590 psi / 24750 kPa
Standby Pressure 856 psi / 5900 kPa
Pump Output* 74 gal/min / 280 l/min
Note *Pump output measured at 2,150 rpm.
Operating Specifications
Forward - 6th 16 mile/h / 25.8 km/h
Forward - 2nd 3.8 mile/h / 6.1 km/h
Forward - 8th 32.1 mile/h / 51.7 km/h
Forward - 5th 11.8 mile/h / 19 km/h
Reverse - 3rd 6 mile/h / 9.7 km/h
Turning Radius - Outside Front Tires 30.5 ft / 9.3 m
Forward - 4th 7.6 mile/h / 12.3 km/h
Top Speed - Reverse 25.3 mile/h / 40.8 km/h
Forward - 7th 22 mile/h / 35.5 km/h
Articulation Angle - Left/Right 20°
Reverse - 1st 2.2 mile/h / 3.6 km/h
Forward - 3rd 5.5 mile/h / 8.9 km/h
Reverse - 4th 9.3 mile/h / 15 km/h
Forward - 1st 2.8 mile/h / 4.5 km/h
Top Speed - Forward 32.1 mile/h / 51.7 km/h
Reverse - 6th 25.3 mile/h / 40.8 km/h
Steering Range - Left/Right 47.5°
Reverse - 2nd 4.1 mile/h / 6.6 km/h
Reverse - 5th 17.4 mile/h / 28 km/h
Note Calculated with no slip and 23.5R25 L-3 tires.
Service Refill
Fuel Capacity 131 gal (US) / 496 l
Cooling System 18.5 gal (US) / 70 l
Hydraulic System - Tank 18.5 gal (US) / 70 l
Hydraulic System - Total 38.6 gal (US) / 146 l
DEF Tank 4.2 gal (US) / 16 l
Engine Oil 9.5 gal (US) / 36 l
Transmission - Differential - Final Drives 26 gal (US) / 98.5 l
Tandem Housing - Each 34 gal (US) / 129 l
Front Wheel Spindle Bearing Housing 0.24 gal (US) / 0.9 l
Circle Drive Housing 2.6 gal (US) / 10 l
Frame
Front Frame Structure - Width 14 in / 356 mm
Front Axle - Height to Center 26.4 in / 670 mm
Circle - Diameter 71.7 in / 1822 mm
Front Frame Structure - Thickness 0.6 in / 14 mm
Front Frame Structure - Height 18.1 in / 460 mm
Circle - Blade Beam Thickness 2 in / 50 mm
Drawbar - Width 3 in / 76 mm
Front Axle - Wheel Lean 18° Left/17° Right
Front Axle - Total Oscillation per Side 35°
Drawbar - Height 8 in / 203 mm
Tandems
Sidewall Thickness - Outer 0.9 in / 22 mm
Sidewall Thickness - Inner 0.9 in / 22 mm
Tandem Oscillation - Front Up 15°
Tandem Oscillation - Front Down 25°
Height 25.5 in / 648 mm
Width 9.3 in / 236 mm
Drive Chain Pitch 2.5 in / 63.5 mm
Wheel Axle Spacing 72.5 in / 1841 mm
Blade Range
Maximum Blade Position Angle 65°
Maximum Lift Above Ground 15.7 in / 400 mm
Maximum Depth of Cut 18.5 in / 470 mm
Maximum Shoulder Reach Outside of Tires - Right 103 in / 2605 mm
Circle Centershift - Right 22 in / 560 mm
Maximum Shoulder Reach Outside of Tires - Left 103 in / 2605 mm
Moldboard Sideshift - Right 31.1 in / 790 mm
Blade Tip Range - Backward
Moldboard Sideshift - Left 29.1 in / 740 mm
Circle Centershift - Left 27.2 in / 690 mm
Blade Tip Range - Forward 40°
Ripper
Shank Holder Spacing - Minimum 17.5 in / 445 mm
Ripping Depth - Maximum 17.8 in / 452 mm
Ripper Shank Holders 7
Penetration Force 30311 lb / 13749 kg
Pry-Out Force 43700 lb / 19822 kg
Machine Length Increase, Beam Raised 63.4 in / 1610 mm
Shank Holder Spacing - Maximum 20 in / 500 mm
Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)*
Gross Vehicle Weight - Typically Equipped - Rear Axle 53830 lb / 24417 kg
Gross Vehicle Weight - Base** - Total 72298 lb / 32794 kg
Gross Vehicle Weight - Maximum Tested - Rear Axle 58753 lb / 26650 kg
Gross Vehicle Weight - Maximum Tested - Front Axle 26125 lb / 11850 kg
Gross Vehicle Weight - Typically Equipped - Front Axle 20494 lb / 9296 kg
Gross Vehicle Weight - Base** - Front Axle 19837 lb / 8998 kg
Gross Vehicle Weight - Maximum Tested - Total 84877 lb / 38500 kg
Gross Vehicle Weight - Typically Equipped - Total 74324 lb / 33713 kg
Gross Vehicle Weight - Base** - Rear Axle 52461 lb / 23796 kg
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)
Height - Top of Cylinders 122.6 in / 3115 mm
Width - Outside Rear Tires 134.3 in / 3411 mm
Height - Exhaust Stack 141.1 in / 3584 mm
Length - Between Tandem Axles 72.5 in / 1841 mm
Length - Front Axle to Mid Tandem 290 in / 7365 mm
Width - Tire Center Lines 106.4 in / 2703 mm
Length - Front Axle to Moldboard 120.7 in / 3066 mm
Length - Counterweight to Ripper 474.4 in / 12051 mm
Height - Front Axle Center 29.9 in / 760 mm
Width - Outside Front Tires 134.3 in / 3411 mm
Length - Front Tire to Rear of Machine - Including Tow Hitch 417 in / 10593 mm
Height - Top of Cab 147.5 in / 3746 mm
Ground Clearance - Rear Axle 16.7 in / 423 mm
Standards
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
Gear - Forward 1st 309 HP / 227 kW
Gear - Forward 2nd 309 HP / 227 kW
Gear - Reverse 2nd 309 HP / 227 kW
Gear - Forward 4th 325 HP / 239 kW
Gear - Forward 6th 341 HP / 251 kW
Gear - Forward 5th 332 HP / 244 kW
Gear - Forward 8th 362 HP / 266 kW
Gear - Reverse 1st 309 HP / 227 kW
Gear - Forward 3rd 315 HP / 232 kW
Gear - Forward 7th 347 HP / 255 kW
Gear - Reverse 3rd-6th 315 HP / 232 kW
Optional Tire Arrangements
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
Gear - Forward 4th 321 HP / 239 kW
Gear - Reverse 2nd 304 HP / 227 kW
Gear - Forward 1st 304 HP / 227 kW
Gear - Reverse 3rd-6th 311 HP / 232 kW
Gear - Forward 3rd 311 HP / 232 kW
Gear - Forward 5th 327 HP / 244 kW
Gear - Forward 7th 342 HP / 255 kW
Gear - Forward 2nd 304 HP / 227 kW
Gear - Reverse 1st 304 HP / 227 kW
Gear - Forward 6th 337 HP / 251 kW
Gear - Forward 8th 357 HP / 266 kW

Standard Equipment

  • 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)

Optional Equipment

  • 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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