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 gpm / 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 | 5° |
| 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 |
| 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). |
