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Cat M Series Motor Graders 18M3

Cat M Series Motor Graders 18M3

Rated power:
227.0 kW
Max.torque:
1721.0 N·m
View Complete Details

Product Feature

ENHANCED PERFORMANCE AND OPERATOR COMFORT

You measure profitability by the ore you produce – and the more cost effectively you do that, the more successful you are. While drills, draglines, loaders and haul trucks are responsible for producing ore, motor graders have a direct impact on how productively these machines can operate – in particular in their role in haul road maintenance.

  • 18 Foot Moldboard – The 18M3 includes a standard 18 foot moldboard and straight 10 inch by 1 3/8 inch cutting edge, which allows the operator to increase coverage by 12.5% compared to a 16 foot moldboard. Also the operator can us a more aggressive blade angle and still be able to deposit the windrow away from the tires to protect tire life. The use of a more aggressive blade angle results in reduced load on the machine and the ability to better maintain ground speed for enhanced performance.

  • 18M3 Power Levels and Optimized Variable Horse Power (VHP) – Compared to the 16M3, the 18M3 has on average 5% more power. The additional power combined with the 18 foot moldboard and proper weight balance provides the best combination of performance and coverage. The Optimized Variable Horse Power (VHP) is designed to provide the ideal amount of power in all gears to efficiently perform diverse motor grader applications while protecting structure and drive train components.

  • Machine Balance – With optimized combination of weight and balance the 18M3 delivers enhanced traction and the ability to keep ground speed, especially when carrying a large load on the board.

  • Simple, Operator Friendly Emissions Technology – The 18M3 is available with three variations of the C13 engine with ACERT™ Technology. One meets U.S. EPA Tier 4 Final / EU Stage IV / Japan 2014 (Tier 4 Final) emissions standards and is required for sale in higher regulated countries. The other options will be capable of meeting Tier 2 / Stage II / Japan 2001 (Tier 2) equivalent emission standards or Tier 3 / Stage IIIA / Japan 2006 (Tier 3) equivalent emission standards, depending on the emission standards of the specific country. Emissions reduction technology on the 18M3 Motor Grader is designed to be transparent, with no action required from the operator.

  • Rear Ripper / Scarifier – Made to penetrate tough material fast and rip thoroughly for easier movement with the moldboard. The 18M3 includes a standard ripper with three shanks with the ability to add four more for additional versatility.

  • Comfort and Control – The multi-color / touch screen Information Display is the operator's gateway to monitoring machine performance, a convenient way of modifying machine parameters to tailor performance to the current task and access the service information for initial troubleshooting.

  • Monitor, Manage, and Enhance Job Site Operations – Cat Product Link™ Elite is deeply integrated into your machine, helping you 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 you effectively manage your fleet and lower operating cost.


 

OPERATING COST REDUCTION

High mechanical availability is one of your top concerns. The 18M3 helps reduce downtime and operating cost 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.

  • Use Less Fuel – Engine Economy (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 with respect to fuel consumption. ECO Mode could provide significant fuel consumption savings especially in operations that are typically run at light to moderate loads, high idle and gear usage between 3R to 5F.

  • Engineered for Maximum Production and Service Life – The 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.

  • Standard Front Axle Guard – A front guard helps protect the front axle from rocks or other debris that could damage the axle or its components.

  • Standard Transmission Guard – The transmission guard provides a steel protection from ground debris.

  • Ease of Maintenance – The 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. Also, extended maintenance intervals reduce the number of touches and downtime.

  • Protecting Your Asset – 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.


 

SAFETY

You consider the safety of your workers a top priority, and we're doing our best to help you meet your safety goals. Caterpillar considers the safety of everyone in, on or around Cat equipment when developing new products or enhancing safety features for existing products. The 18M3 has 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

  • Access Platform – optional

  • Service Access Platform – optional


 

DEALER SUPPORT EVERY STEP OF THE WAY

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


Product Parameter

Overview

The 18M3 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 18M3 enhances operational efficiencies by increasing coverage and reducing the number of passes required to complete the width of the road in certain applications. The 18M3 includes features that provide large benefits on operating cost reduction, uptime & performance improvements as well as enhanced safety.

Engine

Units:

Base Power (1st Gear) - Net304.0 HP | 227.0 kW
Engine ModelCat® C13 ACERT™ VHP | Cat® C13 ACERT™ VHP
Bore5.1 in | 130.0 mm
Stroke6.2 in | 157.0 mm
Speed at Rated Power2,000 rpm | 2,000 rpm
Base Power (1st Gear) - Net - Metric309.0 HP | 227.0 kW
Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent12973.0 ft | 3954.0 m
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent12176.0 ft | 3711.0 m
Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)12500.0 ft | 3810.0 m
Emissions (1)U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final) | U.S. EPA Tier 4 Final/EU Stage IV/Japan 2014 (Tier 4 Final)
Emissions (2)Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards | Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards
Emissions (3)Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards | Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards
Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent1270.0 lb/ft | 1721.0 N·m
Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent1270.0 lb/ft | 1721.0 N·m
Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)1306.0 lb/ft | 1771.0 N·m
Standard - Ambient Capability122.0 °F | 50.0 °C
Standard - Fan Speed - Maximum1,450 rpm | 1,450 rpm
Standard - Fan Speed - Minimum550 rpm | 550 rpm
Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent38% | 38%
Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent38% | 38%
Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final)40% | 40%
VHP Range - Net227-266 kW (304-357 hp) | 227-266 kW (304-357 hp)
VHP Range - Net - Metric227-266 kW (309-362 hp) | 227-266 kW (309-362 hp)
Optimized VHP Range - Net227-266 kW (304-357 hp) | 227-266 kW (304-357 hp)
Displacement763.0 in³ | 12.5 l
Number of Cylinders6 | 6

Power Train

Forward/Reverse Gears8 Forward/6 Reverse | 8 Forward/6 Reverse
TransmissionDirect drive, power shift, countershaft | Direct drive, power shift, countershaft
Brakes - Dynamic Brake Torque per Wheel27069.27 lb/ft | 36701.0 N·m
Brakes - ParkingSpring applied, hydraulically released | Spring applied, hydraulically released
Brakes - SecondaryOil-actuated, oil-disc | Oil-actuated, oil-disc
Brakes - ServiceOil-actuated, oil disc | Oil-actuated, oil disc

Hydraulic System

Circuit TypeElectro-hydraulic load sensing, closed center | Electro-hydraulic load sensing, closed center
Pump TypeVariable piston | Variable piston
Maximum System Pressure3590.0 psi | 24750.0 kPa
Standby Pressure856.0 psi | 5900.0 kPa
Note*Pump output measured at 2,150 rpm. | *Pump output measured at 2,150 rpm.
Pump Output*74.0 gal/min | 280.0 l/min

Operating Specifications

Articulation Angle - Left/Right20° | 20°
Forward - 1st2.8 mile/h | 4.5 km/h
Forward - 2nd3.8 mile/h | 6.1 km/h
Forward - 3rd5.5 mile/h | 8.9 km/h
Forward - 4th7.6 mile/h | 12.3 km/h
Forward - 5th11.8 mile/h | 19.0 km/h
Forward - 6th16.0 mile/h | 25.8 km/h
Forward - 7th22.0 mile/h | 35.5 km/h
Forward - 8th32.1 mile/h | 51.7 km/h
Reverse - 1st2.2 mile/h | 3.6 km/h
Reverse - 2nd4.1 mile/h | 6.6 km/h
Reverse - 3rd6.0 mile/h | 9.7 km/h
Reverse - 4th9.3 mile/h | 15.0 km/h
Reverse - 5th17.4 mile/h | 28.0 km/h
Reverse - 6th25.3 mile/h | 40.8 km/h
Steering Range - Left/Right47.5° | 47.5°
Top Speed - Forward32.1 mile/h | 51.7 km/h
Top Speed - Reverse25.3 mile/h | 40.8 km/h
Turning Radius - Outside Front Tires30.5 ft | 9.3 m
NoteCalculated with no slip and 23.5R25 L-3 tires. | Calculated with no slip and 23.5R25 L-3 tires.

Service Refill

Fuel Capacity131.0 gal (US) | 496.0 l
Cooling System18.5 gal (US) | 70.0 l
DEF Tank4.2 gal (US) | 16.0 l
Hydraulic System - Tank18.5 gal (US) | 70.0 l
Hydraulic System - Total38.6 gal (US) | 146.0 l
Engine Oil9.5 gal (US) | 36.0 l
Transmission - Differential - Final Drives26.0 gal (US) | 98.5 l
Tandem Housing - Each34.0 gal (US) | 129.0 l
Front Wheel Spindle Bearing Housing0.24 gal (US) | 0.9 l
Circle Drive Housing2.6 gal (US) | 10.0 l

Frame

Circle - Blade Beam Thickness2.0 in | 50.0 mm
Circle - Diameter71.7 in | 1822.0 mm
Drawbar - Height8.0 in | 203.0 mm
Drawbar - Width3.0 in | 76.0 mm
Front Axle - Height to Center26.4 in | 670.0 mm
Front Axle - Total Oscillation per Side35° | 35°
Front Axle - Wheel Lean18° Left/17° Right | 18° Left/17° Right
Front Frame Structure - Height18.1 in | 460.0 mm
Front Frame Structure - Thickness0.6 in | 14.0 mm
Front Frame Structure - Width14.0 in | 356.0 mm

Tandems

Sidewall Thickness - Inner0.9 in | 22.0 mm
Sidewall Thickness - Outer0.9 in | 22.0 mm
Tandem Oscillation - Front Down25° | 25°
Tandem Oscillation - Front Up15° | 15°
Height25.5 in | 648.0 mm
Width9.3 in | 236.0 mm
Drive Chain Pitch2.5 in | 63.5 mm
Wheel Axle Spacing72.5 in | 1841.0 mm

Moldboard

Blade Width18.0 ft | 5.5 m
Arc Radius16.3 in | 413.0 mm
Throat Clearance5.0 in | 126.0 mm
Blade Pull* - Base GVW47216.0 lb | 21417.0 kg
Blade Pull* - Maximum GVW52878.0 lb | 23985.0 kg
Cutting Edge Thickness1.4 in | 35.0 mm
Cutting Edge Width10.0 in | 254.0 mm
Down Force - Base GVW34008.0 lb | 15426.0 kg
Down Force - Maximum GVW43861.0 lb | 19895.0 kg
End Bit - Thickness0.75 in | 19.0 mm
End Bit - Width6.0 in | 152.0 mm
Height31.0 in | 787.0 mm
Thickness1.0 in | 25.0 mm
Width18.0 ft | 5.5 m
Note*Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight. | *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight.

Blade Range

Maximum Blade Position Angle65° | 65°
Maximum Lift Above Ground15.7 in | 400.0 mm
Maximum Depth of Cut18.5 in | 470.0 mm
Blade Tip Range - Backward |
Blade Tip Range - Forward40° | 40°
Circle Centershift - Left27.2 in | 690.0 mm
Circle Centershift - Right22.0 in | 560.0 mm
Maximum Shoulder Reach Outside of Tires - Left103.0 in | 2605.0 mm
Maximum Shoulder Reach Outside of Tires - Right103.0 in | 2605.0 mm
Moldboard Sideshift - Left29.1 in | 740.0 mm
Moldboard Sideshift - Right31.1 in | 790.0 mm

Ripper

Ripping Depth - Maximum17.8 in | 452.0 mm
Shank Holder Spacing - Minimum17.5 in | 445.0 mm
Shank Holder Spacing - Maximum20.0 in | 500.0 mm
Ripper Shank Holders7 | 7
Penetration Force30311.0 lb | 13749.0 kg
Pry-Out Force43700.0 lb | 19822.0 kg
Machine Length Increase, Beam Raised63.4 in | 1610.0 mm

Weights

Operating Weight - Typically Equipped74324.0 lb | 33713.0 kg

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

Gross Vehicle Weight - Base** - Front Axle19837.0 lb | 8998.0 kg
Gross Vehicle Weight - Base** - Rear Axle52461.0 lb | 23796.0 kg
Gross Vehicle Weight - Base** - Total72298.0 lb | 32794.0 kg
Gross Vehicle Weight - Maximum Tested - Front Axle26125.0 lb | 11850.0 kg
Gross Vehicle Weight - Maximum Tested - Rear Axle58753.0 lb | 26650.0 kg
Gross Vehicle Weight - Maximum Tested - Total84877.0 lb | 38500.0 kg
Gross Vehicle Weight - Typically Equipped - Front Axle20494.0 lb | 9296.0 kg
Gross Vehicle Weight - Typically Equipped - Rear Axle53830.0 lb | 24417.0 kg
Gross Vehicle Weight - Typically Equipped - Total74324.0 lb | 33713.0 kg
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. | *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 (2)**Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab. | **Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab.

Dimensions (Approximate)

Ground Clearance - Rear Axle16.7 in | 423.0 mm
Height - Exhaust Stack141.1 in | 3584.0 mm
Height - Front Axle Center29.9 in | 760.0 mm
Height - Top of Cab147.5 in | 3746.0 mm
Height - Top of Cylinders122.6 in | 3115.0 mm
Length - Between Tandem Axles72.5 in | 1841.0 mm
Length - Counterweight to Ripper474.4 in | 12051.0 mm
Length - Front Axle to Mid Tandem290.0 in | 7365.0 mm
Length - Front Axle to Moldboard120.7 in | 3066.0 mm
Length - Front Tire to Rear of Machine - Including Tow Hitch417.0 in | 10593.0 mm
Width - Outside Front Tires134.3 in | 3411.0 mm
Width - Outside Rear Tires134.3 in | 3411.0 mm
Width - Tire Center Lines106.4 in | 2703.0 mm

Standards

BrakesISO 3450: 2011 | ISO 3450: 2011
ROPS/FOPSISO 3471: 2008/ISO 3449: 2005 | ISO 3471: 2008/ISO 3449: 2005
SoundISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008 | ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008
SteeringISO 5010: 2007 | ISO 5010: 2007

Optional Tire Arrangements

Wheel Group - 19.5×25 MP (1)Tires: 23.5R25 Bridgestone VKT 2 Star | Tires: 23.5R25 Bridgestone VKT 2 Star
Wheel Group - 19.5×25 MP (2)Tires: 23.5R25 Bridgestone VKT 1 Star | Tires: 23.5R25 Bridgestone VKT 1 Star
Wheel Group - 19.5×25 MP (3)Tires: 23.5R25 Bridgestone VJT 1 Star | Tires: 23.5R25 Bridgestone VJT 1 Star
Wheel Group - 19.5×25 MP (4)Tires: 23.5R25 Michelin XHA 2 Star | Tires: 23.5R25 Michelin XHA 2 Star
Wheel Group - 19.5×25 MP (5)Tires: 23.5R25 Michelin XLDD 2 Star L5 | 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 - Metric

Gear - Forward 1st309.0 HP | 227.0 kW
Gear - Forward 2nd309.0 HP | 227.0 kW
Gear - Forward 3rd315.0 HP | 232.0 kW
Gear - Forward 4th325.0 HP | 239.0 kW
Gear - Forward 5th332.0 HP | 244.0 kW
Gear - Forward 6th341.0 HP | 251.0 kW
Gear - Forward 7th347.0 HP | 255.0 kW
Gear - Forward 8th362.0 HP | 266.0 kW
Gear - Reverse 1st309.0 HP | 227.0 kW
Gear - Reverse 2nd309.0 HP | 227.0 kW
Gear - Reverse 3rd-6th315.0 HP | 232.0 kW

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 1st304.0 HP | 227.0 kW
Gear - Forward 2nd304.0 HP | 227.0 kW
Gear - Forward 3rd311.0 HP | 232.0 kW
Gear - Forward 4th321.0 HP | 239.0 kW
Gear - Forward 5th327.0 HP | 244.0 kW
Gear - Forward 6th337.0 HP | 251.0 kW
Gear - Forward 7th342.0 HP | 255.0 kW
Gear - Forward 8th357.0 HP | 266.0 kW
Gear - Reverse 1st304.0 HP | 227.0 kW
Gear - Reverse 2nd304.0 HP | 227.0 kW
Gear - Reverse 3rd-6th311.0 HP | 232.0 kW

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