18 Motor Grader
360° Exterior View
360° Interior View
At a Glance
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Overview
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.
Engine
+ -Base Power (1st Gear) - Net | 304HP |
Engine Model | Cat® C13 |
Bore | 5.1in |
Stroke | 6.2in |
Speed at Rated Power | 2,000 rpm |
Optimized VHP Range - Net | 227-266 kW (304-357 hp) |
Emissions (3) | Tier 2/Stage II/Japan 2001 (Tier 2) 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 (2) | Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards |
Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent | 38% |
Standard - Fan Speed - Maximum | 1,450 rpm |
Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) | 12500ft |
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) | 1306lb/ft |
Standard - Fan Speed - Minimum | 550 rpm |
Emissions (1) | U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final) |
Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent | 1270lb/ft |
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent | 12973ft |
Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent | 1270lb/ft |
Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent | 12176ft |
VHP Range - Net | 227-266 kW (304-357 hp) |
Standard - Ambient Capability | 122°F |
Base Power (1st Gear) - Net - Metric | 309HP |
Displacement | 763in³ |
Number of Cylinders | 6 |
Weights
+ -Operating Weight - Typically Equipped | 74324lb |
Moldboard
+ -Blade Width | 18ft |
Arc Radius | 16.3in |
Throat Clearance | 5in |
Height | 31in |
End Bit - Thickness | 0.75in |
Cutting Edge Width | 10in |
Width | 18ft |
Thickness | 1in |
Cutting Edge Thickness | 1.4in |
Down Force - Base GVW | 34008lb |
End Bit - Width | 6in |
Blade Pull* - Maximum GVW | 52878lb |
Blade Pull* - Base GVW | 47216lb |
Down Force - Maximum GVW | 43861lb |
Note | *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight. |
Service Refill
+ -Fuel Capacity | 131gal (US) |
Cooling System | 18.5gal (US) |
Hydraulic System - Total | 38.6gal (US) |
Hydraulic System - Tank | 18.5gal (US) |
DEF Tank | 4.2gal (US) |
Engine Oil | 9.5gal (US) |
Transmission - Differential - Final Drives | 26gal (US) |
Tandem Housing - Each | 34gal (US) |
Front Wheel Spindle Bearing Housing | 0.24gal (US) |
Circle Drive Housing | 2.6gal (US) |
Power Train
+ -Forward/Reverse Gears | 8 Forward/6 Reverse |
Transmission | Direct drive, power shift, countershaft |
Brakes - Service | Oil-actuated, oil disc |
Brakes - Secondary | Oil-actuated, oil-disc |
Brakes - Dynamic Brake Torque per Wheel | 27069.27lb/ft |
Brakes - Parking | Spring applied, hydraulically released |
Hydraulic System
+ -Circuit Type | Electro-hydraulic load sensing, closed center |
Pump Type | Variable piston |
Maximum System Pressure | 3590psi |
Standby Pressure | 856psi |
Pump Output* | 74gal/min |
Note | *Pump output measured at 2,150 rpm. |
Blade Range
+ -Maximum Blade Position Angle | 65° |
Maximum Lift Above Ground | 15.7in |
Maximum Depth of Cut | 18.5in |
Blade Tip Range - Forward | 40° |
Circle Centershift - Left | 27.2in |
Moldboard Sideshift - Left | 29.1in |
Blade Tip Range - Backward | 5° |
Moldboard Sideshift - Right | 31.1in |
Maximum Shoulder Reach Outside of Tires - Left | 103in |
Circle Centershift - Right | 22in |
Maximum Shoulder Reach Outside of Tires - Right | 103in |
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 3rd | 315HP |
Gear - Reverse 1st | 309HP |
Gear - Forward 8th | 362HP |
Gear - Forward 5th | 332HP |
Gear - Forward 6th | 341HP |
Gear - Forward 4th | 325HP |
Gear - Reverse 2nd | 309HP |
Gear - Forward 2nd | 309HP |
Gear - Forward 1st | 309HP |
Gear - Reverse 3rd-6th | 315HP |
Gear - Forward 7th | 347HP |
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 2nd | 304HP |
Gear - Forward 7th | 342HP |
Gear - Forward 5th | 327HP |
Gear - Forward 3rd | 311HP |
Gear - Reverse 3rd-6th | 311HP |
Gear - Forward 1st | 304HP |
Gear - Reverse 2nd | 304HP |
Gear - Forward 4th | 321HP |
Gear - Forward 8th | 357HP |
Gear - Forward 6th | 337HP |
Gear - Reverse 1st | 304HP |
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 - Base** - Rear Axle | 52461lb |
Gross Vehicle Weight - Typically Equipped - Total | 74324lb |
Gross Vehicle Weight - Maximum Tested - Total | 84877lb |
Gross Vehicle Weight - Base** - Front Axle | 19837lb |
Gross Vehicle Weight - Typically Equipped - Front Axle | 20494lb |
Gross Vehicle Weight - Maximum Tested - Front Axle | 26125lb |
Gross Vehicle Weight - Maximum Tested - Rear Axle | 58753lb |
Gross Vehicle Weight - Base** - Total | 72298lb |
Gross Vehicle Weight - Typically Equipped - Rear Axle | 53830lb |
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. |
Ripper
+ -Shank Holder Spacing - Maximum | 20in |
Ripping Depth - Maximum | 17.8in |
Shank Holder Spacing - Minimum | 17.5in |
Ripper Shank Holders | 7 |
Penetration Force | 30311lb |
Pry-Out Force | 43700lb |
Machine Length Increase, Beam Raised | 63.4in |
Optional Tire Arrangements
+ -Wheel Group - 19.5×25 MP (3) | Tires: 23.5R25 Bridgestone VJT 1 Star |
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 (5) | Tires: 23.5R25 Michelin XLDD 2 Star L5 |
Wheel Group - 19.5×25 MP (4) | Tires: 23.5R25 Michelin XHA 2 Star |
Standards
+ -Steering | ISO 5010: 2007 |
Brakes | ISO 3450: 2011 |
ROPS/FOPS | ISO 3471: 2008/ISO 3449: 2005 |
Sound | ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008 |
Dimensions (Approximate)
+ -Ground Clearance - Rear Axle | 16.7in |
Height - Top of Cab | 147.5in |
Length - Front Tire to Rear of Machine - Including Tow Hitch | 417in |
Width - Outside Front Tires | 134.3in |
Height - Front Axle Center | 29.9in |
Length - Counterweight to Ripper | 474.4in |
Length - Front Axle to Moldboard | 120.7in |
Width - Tire Center Lines | 106.4in |
Length - Front Axle to Mid Tandem | 290in |
Length - Between Tandem Axles | 72.5in |
Height - Exhaust Stack | 141.1in |
Width - Outside Rear Tires | 134.3in |
Height - Top of Cylinders | 122.6in |
Tandems
+ -Tandem Oscillation - Front Down | 25° |
Tandem Oscillation - Front Up | 15° |
Sidewall Thickness - Inner | 0.9in |
Sidewall Thickness - Outer | 0.9in |
Height | 25.5in |
Width | 9.3in |
Drive Chain Pitch | 2.5in |
Wheel Axle Spacing | 72.5in |
Frame
+ -Drawbar - Height | 8in |
Front Axle - Total Oscillation per Side | 35° |
Front Axle - Wheel Lean | 18° Left/17° Right |
Drawbar - Width | 3in |
Circle - Blade Beam Thickness | 2in |
Front Frame Structure - Height | 18.1in |
Circle - Diameter | 71.7in |
Front Frame Structure - Thickness | 0.6in |
Front Axle - Height to Center | 26.4in |
Front Frame Structure - Width | 14in |
Operating Specifications
+ -Reverse - 5th | 17.4mile/h |
Reverse - 2nd | 4.1mile/h |
Steering Range - Left/Right | 47.5° |
Top Speed - Forward | 32.1mile/h |
Reverse - 6th | 25.3mile/h |
Forward - 1st | 2.8mile/h |
Reverse - 4th | 9.3mile/h |
Reverse - 1st | 2.2mile/h |
Forward - 3rd | 5.5mile/h |
Articulation Angle - Left/Right | 20° |
Forward - 7th | 22mile/h |
Forward - 4th | 7.6mile/h |
Top Speed - Reverse | 25.3mile/h |
Turning Radius - Outside Front Tires | 30.5ft |
Forward - 5th | 11.8mile/h |
Reverse - 3rd | 6mile/h |
Forward - 8th | 32.1mile/h |
Forward - 6th | 16mile/h |
Forward - 2nd | 3.8mile/h |
Note | Calculated with no slip and 23.5R25 L-3 tires. |
Standard Equipment:
Note
+ --
Standard and optional equipment may vary. Consult your Cat dealer for details.
Operator Environment
+ --
Adjustable electric arm rest
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Adjustable wrist rest
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Air conditioner with heater
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Air horn
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Articulation, automatic Return-to-Center
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Centershift pin indicator
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Coat hook
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Cup holder
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Display, digital speed and gear
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Doors, left and right side with wiper
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Gauges (analog) inside the cab (includes fuel, articulation, engine coolant temp, engine RPM, and hydraulic oil temp)
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Gauges, machine level
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Information display touch screen
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Joystick gear selection
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Joystick hydraulic controls for implements, steering, transmission
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Ladders, cab, left and right side
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Lights, left and right side lights
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Lights, night time cab
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Meter, hour, digital
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Mirror, inside rearview, wide angle
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Power port, 12V
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Radio ready, entertainment
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ROPS cab, sound suppressed, less than 73 dB(A) ISO 6394 (70% fan speed)
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Seat, cloth-covered, comfort air suspension
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Storage compartments
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Throttle control, electronic
Power Train
+ --
Air cleaner, dual stage dry type radial seal with service indicator through messenger and automatic dust ejector
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Air-to-air after cooler (ATAAC)
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Auto Diff Lock
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Belt, serpentine, automatic tensioner
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Brake wear indication
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Brakes, oil disc, four-wheel, hydraulic
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Consistent power to ground
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Critically Low Fluid Level Monitoring System
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Differential, lock/unlock
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Drain, engine oil, high speed
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Electronic over speed protection
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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
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Engine, compression brake
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Ether starting aid
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Fuel tank, fast fill, ground level
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Fuel-water separator
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Hydraulic Demand Fan
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Muffler, under hood (Tier 2/Stage II/Japan 2001 (Tier 2) equivalent and Tier 3/Stage IIIA/Japan 2006 (Tier 3) equivalent emission standards
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OK-to-Start
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Optimized VHP
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Parking brake – multi disc, sealed, oil-cooled
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Priming pump, fuel
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Rear axle, modular
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Sediment drain, fuel tank
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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.
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Transmission, 8F/6R, power shift
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VIMS no telematics
Guards
+ --
Front axle cylinder guard
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Transmission guard
Electrical
+ --
Alternator, 150 ampere, sealed
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Batteries, maintenance free, heavy duty, 1,400 CCA
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Breaker panel
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Electrical system, 24V
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Lights: brake, reversing, roof-mounted roading, stop and tail (LED), work front
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Product Link
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Starter, electric, heavy duty
Safety
+ --
Alarm, back up
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Ground level engine shutdown
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Hammer (emergency exit)
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Horn, electric
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Lockout, hydraulic implement for roading
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Operator not present monitoring system
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Paint, glare reducing – top of front frame, rear enclosure and ripper cylinders
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Rearview camera
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Seat belt indicator
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Seat belt, retractable 76 mm (3 in)
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Secondary steering
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Windows, laminated glass: – Fixed front with intermittent wiper – Door with intermittent wipers (two)
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Windows, tempered: – Left and right side wipers – Rear with intermittent wiper
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Light, LED, warning strobe
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Lights front LED
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Lights, front headlights high
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Lights, front headlights low
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Mounting, for warning light
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Service lights
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Working lights Halogen
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Working lights LED
Other Standard Equipment
+ --
3-bolt blade bracket
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AccuGrade ARO
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Accumulators, blade lift
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Brake accumulators, dual certified
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Cat Grade Control Cross Slope
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CD ROM Parts Book
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Clutch, circle drive slip
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Cutting edges, flat DH-2 steel: – 254 mm × 35 mm (10 in × 1.4 in) – 19 mm (3⁄4 in) mounting bolts
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Doors (four), engine compartment, (two left, two right hand) locking
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Doors, two service, left and right side
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Drawbar – six shoe with replaceable wear strips
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End bits, 16 mm (5⁄8 in) DH-2 steel, 19 mm (3⁄4 in) mounting bolts
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Fast fill fuel 567.8 L/min (150 gpm)
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Fluid check
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Frame, articulated, with safety lock
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Hydraulics, load-sensing
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Metallic fuel tank, 496 L (131 gal)
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Metallic DCM wear strips
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Modular cooling package
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Moldboard: – 5.5 m × 787 mm × 25 mm (18 ft × 31 in × 1 in) – Hydraulic side shift and tip
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Radiator, two cleanout access doors
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Rear bumper
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Rear tandem access steps and hand bars
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S·O·S ports: engine, hydraulic, transmission, coolant
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Tandem walkway
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Top adjust circle wear strips
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Fire suppression ready
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Ripper, rear
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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)