Cat Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to support your job site efficiently and safely while lowering owning and operating costs.<br>Introduced in the 1970’s, the 814 has been the industry leader for almost 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 814 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
| Engine Model | Cat® C7.1 |
| Net Power - SAE J1349:2011 | 249hp |
| Net Power - ISO 9249:2007 | 249hp |
| Gross Power - SAE J1995:2014 | 284hp |
| Engine Power - ISO 14396:2002 | 275hp |
| Rated Speed | 2200 r/min |
| Emissions | Option 1 - U.S. EPA Tier 4 Final/EU Stage V |
| Peak Torque (1400 rpm) | 902lbf·ft |
| Torque Rise | 52% |
| Emissions | Option 2 - Brazil MAR-1, emitting equivalent to U.S. EPA Tier 3/EU Stage IIIA |
| Rated Speed | 2200r/min |
| Net Power - SAE J1349:2011 | 249hp |
| Net Power - ISO 9249:2007 | 249hp |
| Gross Power - SAE J1995:2014 | 286hp |
| Engine Power - ISO 14396: 2002 | 275hp |
| Peak Torque ( 1,400 rpm ) | 749lbf·ft |
| Torque Rise | 26% |
| Bore | 4.1in |
| Stroke | 5.3in |
| Displacement | 427.8in³ |
| High Idle Speed | 2270r/min |
| Low Idle Speed | 800r/min |
| Maximum Altitude without Derating | 9842.5ft |
| Note (1) | Net power advertised is the power available at the engine flywheel when the engine is equipped with a fan, air cleaner, clean emissions module, and alternator. |
| Operating Weight (Tier 4 Final/Stage V) | 48526lb |
| Operating Weight (Tier 3/Stage IIIA equivalent) | 47887lb |
| Transmission Type | Cat Planetary Power Shift |
| Forward - 1 | 3.7mile/h |
| Forward - 2 | 6.5mile/h |
| Forward - 3 | 11.2mile/h |
| Forward - 4 | 19.4mile/h |
| Reverse - 1 | 4.2mile/h |
| Reverse - 2 | 7.3mile/h |
| Reverse - 3 | 12.8mile/h |
| Reverse - 4 | 22.1mile/h |
| Lift/Tilt System - Circuit | Pilot operated load sensing valve with EH |
| Lift/Tilt System | Variable displacement piston |
| Maximum Flow at 2,200 rpm | 23.5gpm |
| Relief Valve Setting - Lift/Tilt | 3190psi |
| Cylinders, Double Acting - Lift, Bore and Stroke | 120 mm × 915 mm (4.7 in × 36.0 in) |
| Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke | 101.6 mm × 234 mm (4.0 in × 9.2 in) |
| Pilot System | Open center, fixed displacement gear |
| Pilot Relief Valve Setting | 3046psi |
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Variable displacement piston |
| Maximum Flow at 2,200 rpm | 38.8gpm |
| Relief Valve Setting - Steering | 4003psi |
| Total Steering Angle | 72° |
| Steering Cycle Times - High Idle | 3s |
| Steering Cycle Times - Low Idle | 8.2s |
| Fuel Tank | 132.1gal (US) |
| Diesel Exhaust Fluid Tank | 4.2gal (US) |
| Cooling Systems - Tier 4 Final/EU Stage V | 21.4gal (US) |
| Cooling Systems - Tier 3/Stage IIIA equivalent | 19.3gal (US) |
| Engine Crankcase | 5.3gal (US) |
| Transmission | 13.2gal (US) |
| Differential - Final Drives - Front | 17.2gal (US) |
| Differential - Final Drives - Rear | 17.2gal (US) |
| Hydraulic System - Implement/Steering | 34.1gal (US) |
| Hydraulic Tank Only | 19.8gal (US) |
| Note (1) | All nonroad Tier 4 Final and EU Stage V diesel engines are required to use: – Ultra low sulfur diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. – Cat engines are compatible with the following renewable, alternative, and biodiesel* fuels that |
| 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 con |
| Front | Planetary – Fixed |
| Rear | Planetary – Oscillating |
| Oscillation Angle | ±10° |
| Service Brakes | Single Disc Wet (enclosed) 4 WHL |
| Parking Brake | Drum and Shoe, Spring Applied, Hydraulic Released |
| Operator Sound Pressure Level (ISO 6396:2008) | 72dB(A) |
| Machine Sound Power Level (ISO 6395:2008) | 111dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 70dB(A) |
| Machine Sound Power Level (ISO 6395:2008)* | 109dB(A) |
| Note (1) | * Sound suppression equipped |
| Note (2) | The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at maximum engine cooling fan speed. |
| Note (3) | The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at maximum engine cooling fan speed. |
| Note (4) | Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. |
| Operator Sound Pressure Level (ISO 6396:2008) | 72dB(A) |
| Machine Sound Power Level (ISO 6395:2008) | 112dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 70dB(A) |
| Machine Sound Power Level (ISO 6395:2008)* | 110dB(A) |
| Note (1) | * Sound suppression equipped |
| Note (2) | The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at maximum engine cooling fan speed. |
| Note (3) | The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at maximum engine cooling fan speed. |
| Note (4) | Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment. |
| Height to Top of Beacon | 13.1ft |
| Height - Top of Cab | 12.1ft |
| Height - Top of Exhaust Pipe | 11.3ft |
| Height - Top of Hood | 8.7ft |
| Height to Top of Radiator Guard | 8ft |
| Ground Clearance to Hitch | 1.4ft |
| Ground Clearance to Transmission Guard | 1.4ft |
| Ground Clearance to Bottom of Bumper | 2.3ft |
| Centerline of Rear Axle to Bumper | 6.5ft |
| Centerline of Front Axle to Hitch | 5.5ft |
| Wheel Base | 11ft |
| Width over Platform | 10.3ft |
| Overall Length to Front Tire | 21ft |
| Overall Machine Length with Straight Blade | 23.6ft |
| Overall Machine Length with Coal Blade | 25.5ft |
| Capacity | 3.72yd³ |
| Overall Width | 12ft |
| Height | 3.3ft |
| Dig Depth | 1.6ft |
| Ground Clearance | 3ft |
| Maximum Tilt | 2.6ft |
| Turning Radius – Outside Corner of Blade | 23.5ft |
| Turning Radius – Inside Corner of Blade | 11.6ft |
| Weight | 3000lb |
| Total Operating Weight | 48526lb |
| Capacity | 13.8yd³ |
| Overall Width | 14.2ft |
| Height | 4.8ft |
| Dig Depth | 1.6ft |
| Ground Clearance | 3.1ft |
| Maximum Tilt | 3.1ft |
| Turning Radius – Outside Corner of Blade | 25.1ft |
| Turning Radius – Inside Corner of Blade | 11.2ft |
| Weight | 4429lb |
| Total Operating Weight | 49996lb |
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