--- title: 18 Motor Grader - Cleveland Brothers Cat description: 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. 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Net: 304hp Engine Model: Cat® C13 Bore: 5.1in Stroke: 6.2in Contact Sales × machine new Cat® 18 motor grader powers through mining with high efficiency, advanced emissions control, and a wider moldboard. Ideal for haul road maintenance and mining operations, this heavy equipment cuts costs and ensures uptime with Cat durability. ![18 Motor Grader with ripper and push block](https://s7d2.scene7.com/is/image/Caterpillar/CM20260325-8b8b3-66b3c?wid=800) Photos Videos 360 View Share - - - - [mailto:?subject=18%20Motor%20Grader&body=https://www.clevelandbrothers.com/products/1000007681-18/](mailto:?subject=18%20Motor%20Grader&body=https://www.clevelandbrothers.com/products/1000007681-18/) Print [18 Product Brochure ](https://s7d2.scene7.com/is/content/Caterpillar/CM20150821-30347-07847) [Mining Motor Grader Rig Out Catalog ](https://s7d2.scene7.com/is/content/Caterpillar/CM20200805-16f89-4720b) [18 Poster ](https://s7d2.scene7.com/is/content/Caterpillar/CM20220825-09ef0-f60b5) ## Overview Cat® 18 motor grader powers through mining with high efficiency, advanced emissions control, and a wider moldboard. Ideal for haul road maintenance and mining operations, this heavy equipment cuts costs and ensures uptime with Cat durability. Specifications Equipment Related #### Category: Motor Graders #### Brand: Cat #### Engine Base Power (1st Gear) - Net: 304hp Engine Model: Cat® C13 Bore: 5.1in Stroke: 6.2in Speed at Rated Power: 2,000 rpm Standard - Ambient Capability: 122°F Base Power (1st Gear) - Net - Metric: 309hp VHP Range - Net: 227-266 kW (304-357 hp) 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 Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent: 12973ft Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent: 1270lb/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): 1306lb/ft Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final): 12500ft 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: 763in³ Number of Cylinders: 6 #### Weights Operating Weight - Typically Equipped: 74324lb #### 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: 27069.27lb/ft Brakes - Service: Oil-actuated, oil disc Brakes - Secondary: Oil-actuated, oil-disc #### Moldboard Blade Width: 18ft #### Hydraulic System Circuit Type: Electro-hydraulic load sensing, closed center Pump Type: Variable piston Maximum System Pressure: 3590psi Standby Pressure: 856psi Pump Output*: 74gpm Note: *Pump output measured at 2,150 rpm. #### Operating Specifications Forward - 6th: 16.0mile/h Forward - 2nd: 3.8mile/h Forward - 8th: 32.1mile/h Forward - 5th: 11.8mile/h Reverse - 3rd: 6.0mile/h Turning Radius - Outside Front Tires: 30.5ft Forward - 4th: 7.6mile/h Top Speed - Reverse: 25.3mile/h Forward - 7th: 22.0mile/h Articulation Angle - Left/Right: 20° Reverse - 1st: 2.2mile/h Forward - 3rd: 5.5mile/h Reverse - 4th: 9.3mile/h Forward - 1st: 2.8mile/h Top Speed - Forward: 32.1mile/h Reverse - 6th: 25.3mile/h Steering Range - Left/Right: 47.5° Reverse - 2nd: 4.1mile/h Reverse - 5th: 17.4mile/h #### Service Refill Fuel Capacity: 131gal (US) Cooling System: 18.5gal (US) Hydraulic System - Tank: 18.5gal (US) Hydraulic System - Total: 38.6gal (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) #### Frame Front Frame Structure - Width: 14.0in Front Axle - Height to Center: 26.4in Circle - Diameter: 71.7in Front Frame Structure - Thickness: 0.6in Front Frame Structure - Height: 18.1in Circle - Blade Beam Thickness: 2in Drawbar - Width: 3in Front Axle - Wheel Lean: 18° Left/17° Right Front Axle - Total Oscillation per Side: 35° Drawbar - Height: 8in #### Tandems Sidewall Thickness - Outer: 0.9in Sidewall Thickness - Inner: 0.9in Tandem Oscillation - Front Up: 15° Tandem Oscillation - Front Down: 25° Height: 25.5in Width: 9.3in Drive Chain Pitch: 2.5in Wheel Axle Spacing: 72.5in #### Moldboard Arc Radius: 16.3in Throat Clearance: 5in Down Force - Maximum GVW: 43861lb Blade Pull* - Base GVW: 47216lb Blade Pull* - Maximum GVW: 52878lb End Bit - Width: 6in Down Force - Base GVW: 34008lb Cutting Edge Thickness: 1.4in Thickness: 1in Width: 18ft Cutting Edge Width: 10in End Bit - Thickness: 0.75in Height: 31in #### Blade Range Maximum Blade Position Angle: 65° Maximum Lift Above Ground: 15.7in Maximum Depth of Cut: 18.5in Maximum Shoulder Reach Outside of Tires - Right: 103in Circle Centershift - Right: 22in Maximum Shoulder Reach Outside of Tires - Left: 103in Moldboard Sideshift - Right: 31.1in Blade Tip Range - Backward: 5° Moldboard Sideshift - Left: 29.1in Circle Centershift - Left: 27.2in Blade Tip Range - Forward: 40° #### Ripper Shank Holder Spacing - Minimum: 17.5in Ripping Depth - Maximum: 17.8in Ripper Shank Holders: 7 Penetration Force: 30311lb Pry-Out Force: 43700lb Machine Length Increase, Beam Raised: 63.4in #### Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)* Gross Vehicle Weight - Typically Equipped - Rear Axle: 53830lb Gross Vehicle Weight - Base** - Total: 72298lb Gross Vehicle Weight - Maximum Tested - Rear Axle: 58753lb Gross Vehicle Weight - Maximum Tested - Front Axle: 26125lb Gross Vehicle Weight - Typically Equipped - Front Axle: 20494lb Gross Vehicle Weight - Base** - Front Axle: 19837lb Gross Vehicle Weight - Maximum Tested - Total: 84877lb Gross Vehicle Weight - Typically Equipped - Total: 74324lb Gross Vehicle Weight - Base** - Rear Axle: 52461lb #### Dimensions (Approximate) Height - Top of Cylinders: 122.6in Width - Outside Rear Tires: 134.3in Height - Exhaust Stack: 141.1in Length - Between Tandem Axles: 72.5in Length - Front Axle to Mid Tandem: 290in Width - Tire Center Lines: 106.4in Length - Front Axle to Moldboard: 120.7in Length - Counterweight to Ripper: 474.4in Height - Front Axle Center: 29.9in Width - Outside Front Tires: 134.3in Length - Front Tire to Rear of Machine - Including Tow Hitch: 417in Height - Top of Cab: 147.5in Ground Clearance - Rear Axle: 16.7in #### 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: 309hp #### Optional Tire Arrangements Wheel Group - 19.5×25 MP (2): Tires: 23.5R25 Bridgestone VKT 1 Star #### Engine Optimized VHP Range - Net: 227-266 kW (304-357 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 4th: 321hp Gear - Reverse 2nd: 304hp #### 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 2nd: 309hp Gear - Reverse 2nd: 309hp Gear - Forward 4th: 325hp Gear - Forward 6th: 341hp #### Optional Tire Arrangements Wheel Group - 19.5×25 MP (1): Tires: 23.5R25 Bridgestone VKT 2 Star #### 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 1st: 304hp Gear - Reverse 3rd-6th: 311hp Gear - Forward 3rd: 311hp #### 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 5th: 332hp #### 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 5th: 327hp Gear - Forward 7th: 342hp #### Optional Tire Arrangements Wheel Group - 19.5×25 MP (3): Tires: 23.5R25 Bridgestone VJT 1 Star #### Ripper Shank Holder Spacing - Maximum: 20in #### 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. #### 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 #### 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 8th: 362hp Gear - Reverse 1st: 309hp Gear - Forward 3rd: 315hp Gear - Forward 7th: 347hp #### 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. - If equipped with R134a (Global Warming Potential = 1430), the system contains 2 kg (4.4 lb) of refrigerant which has a CO2 equivalent of 2.860 metric tonnes (3.152 tons). #### Optional Tire Arrangements Wheel Group - 19.5×25 MP (4): Tires: 23.5R25 Michelin XHA 2 Star #### 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 - Reverse 1st: 304hp #### Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)* 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. #### 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 6th: 337hp Gear - Forward 8th: 357hp #### 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: 315hp #### Optional Tire Arrangements Wheel Group - 19.5×25 MP (5): Tires: 23.5R25 Michelin XLDD 2 Star L5 #### Operating Specifications Note: Calculated with no slip and 23.5R25 L-3 tires. #### Moldboard Note: *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight. ### 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) ## Similar Products [![24](https://s7d2.scene7.com/is/image/Caterpillar/CM20260325-0b426-d6b65?wid=800) ](https://www.clevelandbrothers.com/products/1000034758-24) ### [ 24 Motor Grader ](https://www.clevelandbrothers.com/products/1000034758-24) Base Power (1st Gear) - Net: 304hp Engine Model: Cat® C13 Bore: 5.1in Stroke: 6.2in [ View Details ](https://www.clevelandbrothers.com/products/1000034758-24) [![18 Motor Grader with ripper and push block](https://s7d2.scene7.com/is/image/Caterpillar/CM20260325-8b8b3-66b3c?wid=800) ](https://www.clevelandbrothers.com/products/1000007681-18) ### [ 18 Motor Grader ](https://www.clevelandbrothers.com/products/1000007681-18) Base Power (1st Gear) - Net: 304hp Engine Model: Cat® C13 Bore: 5.1in Stroke: 6.2in [ View Details ](https://www.clevelandbrothers.com/products/1000007681-18) [![14 Motor Grader](https://s7d2.scene7.com/is/image/Caterpillar/CM20251203-d5912-54f85?wid=800) ](https://www.clevelandbrothers.com/products/1000023263-14) ### [ 14 Motor Grader ](https://www.clevelandbrothers.com/products/1000023263-14) Base Power (1st Gear) - 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