18 Motor Grader

🔍

Description

Technical Specifications

Benefits and Features

Equipment

360 View

The 18 builds on the success of the 16 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, and enhanced safety.

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
Optimized VHP Range - Net	227-266 kW (304-357 hp)
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	12176 ft
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent	12973 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 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
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
Weights
Operating Weight - Typically Equipped	74324 lb
Moldboard
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.
Service Refill
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)
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
Brakes - Service	Oil-actuated, oil disc
Brakes - Secondary	Oil-actuated, oil-disc
Hydraulic System
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.
Blade Range
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	5°
Moldboard Sideshift - Left	29.1 in
Circle Centershift - Left	27.2 in
Blade Tip Range - Forward	40°
Operating Specifications
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.
Forward - 6th	16 mile/h
Frame
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
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
Air Conditioning System
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas.
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	30311 lb
Pry-Out Force	43700 lb
Machine Length Increase, Beam Raised	63.4 in
Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)*
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)
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
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
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
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
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

BETTER COMFORT AND CONTROL

18 foot moldboard and straight 10 inch by 1-3/8 inch cutting edge, allowing operators to increase coverage by 12.5% compared to a 16 foot moldboard. The operator can use a more aggressive blade angle and still be able to deposit the windrow away from the tires to protect tire life. More aggressive blade angles reduce the load on the machine and maintain better ground speed for enhanced performance.
Variable Horse Power (VHP) provides the ideal amount of power in all gears to efficiently perform diverse motor grader applications while protecting structure and drive train components.
With optimized combination of weight and balance the 18delivers enhanced traction and the ability to keep ground speed, especially when carrying a large load on the board.
Emissions reduction technology is transparent and automated with no action required from the operator.
Rear Ripper / Scarifier penetrates tough material fast for easier movement with the moldboard. Standard ripper with three shanks can add four more for additional versatility.
Multi-color, touch screen Information Display is the operator's gateway to monitoring machine performance and offers a convenient way of modifying machine parameters to tailor performance to the current task. Provides access to service information for initial troubleshooting.
Cat Product Link™ Elite is deeply integrated into the machine, helping take the guesswork out of equipment management. Easy access to timely information like machine location, hours, fuel usage, idle time and event codes via the online VisionLink® user interface can help effectively manage fleets and lower operating costs.
Manage your fleet of machines while reducing fuel burn with Cat Production Measurement System option. The Efficiency Coach and Application Segmentation work together to monitor operators and machines simultaneously. Measure your jobsite’s efficiency and productivity from anywhere on the website.

ACHIEVE GREATER PRODUCTIVITY

The 18 helps to reduce downtime and operating costs through improved serviceability, fuel economy and reduced maintenance. Major components are modular in design, so most can be removed and reinstalled without disturbing other components.
Eco Mode improves fuel economy by reducing high idle engine speed while maintaining machine power. ECO Mode controls the high engine idle speed (capped at 1,900 rpm in working gears) to ensure the engine is performing as efficiently as possible. Provides significant fuel savings especially in operations that typically run light to moderate loads.
Center shift section of the front frame is made of heavy duty steel casting which improves stress distribution to this high load area for enhanced durability.
The rear frame structure is lengthened to provide easy service access to components in the engine enclosure as well as improve machine balance.
Front axle steering cylinder has been designed to enhance durability and hydraulic hoses have been routed to improve reliability.
A front guard helps protect the front axle from rocks or other debris that could damage the axle or its components.
The transmission guard provides a steel protection from ground debris.
Modular cooling package makes for simple removal and installation of components on the cooling system which reduces service time.
Engine enclosure doors provide complete and easy access to the engine without the impediment of any enclosure post.
Extended maintenance intervals reduce the number of touches and downtime.
Ok to Start and critically low fluid monitoring systems help prevent critical components from damage when low fluid levels are present. All information is available via the Information Display within the cab, and diagnostic codes are logged.

BUILT-IN SAFETY FEATURES

Caterpillar considers the safety of everyone in, on or around Cat equipment when developing new products or enhancing safety features for existing products.
The 18has numerous safety features such as but not limited to -

Access to Tandem
Light Emitting Diode (LED) Enclosure Service Lights
Seat Belt Indication
Fire Suppression Ready System
Rearview Camera
Optional Access Platform
Optional Service Access Platform

TOP-TIER SERVICE AND SUPPORT

Your local Cat dealer is committed to helping you succeed, by ensuring you have the right machine for the job, making parts and service readily available, offering operator training and providing you with versatile work tools.

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)