Engine
Engine Model | C7.1 Cat® C7.1 Cat® |
Net Power | 248 HP 185 kW |
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.
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 814K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Designed to be more efficient with advanced engineering, providing precise operational control
Equipped with standard safety features, improving visibility and providing a safer operating environment
Durable structures built to withstand the toughest conditions while achieving multiple life cycles
Engine Model | C7.1 Cat® C7.1 Cat® |
Net Power | 248 HP 185 kW |
Transmission Type | Cat Planetary Power Shift Cat Planetary Power Shift |
Reverse - 1 | 4.1 mile/h 6.5 km/h |
Reverse - 4 | 21.5 mile/h 34.6 km/h |
Forward - 4 | 19 mile/h 30.5 km/h |
Forward - 2 | 6.3 mile/h 10.1 km/h |
Forward - 3 | 11 mile/h 17.6 km/h |
Reverse - 3 | 12.5 mile/h 20.1 km/h |
Forward - 1 | 3.6 mile/h 5.7 km/h |
Reverse - 2 | 7.2 mile/h 11.5 km/h |
Oscillation Angle | ±11° ±11° |
Rear | Planetary – Oscillating Planetary – Oscillating |
Front | Planetary – Fixed Planetary – Fixed |
Fuel Tank | 206.6 gal (US) 782 l |
Hydraulic Tank Only | 35.4 gal (US) 134 l |
Transmission | 17.4 gal (US) 66 l |
Differential - Final Drives - Front | 26.4 gal (US) 100 l |
Engine Crankcase | 9 gal (US) 34 l |
Differential - Final Drives - Rear | 29.1 gal (US) 110 l |
AC Oil | 4.26 oz 126 ml |
Oil Renewal System (ORS) | N. z. N. z. |
AC Refrigerant | 19hg 19hg |
Hydraulic System - Implement/Steering | 34.1 gal (US) 129 l |
Cooling Systems - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA | 19.3 gal (US) 73 l |
Cooling Systems - Tier 4 Final/Stage IV | 21.4 gal (US) 81 l |
Hydraulic System - Steering | N. z. N. z. |
Diesel Exhaust Fluid Tank | 4.2 gal (US) 16 l |
Hydraulic System - Implement | N. z. N. z. |
Ground Clearance | 1.4 ft 441.4 mm |
Ground Clearance - Bumper | 2.8 ft 852 mm |
Height - Top of Cab | 13.5 ft 4100 mm |
Length - With Blade on Ground - Straight Blade | 27.6 ft 8422 mm |
Centerline of Front Axle to Hitch | 6.1 ft 1850 mm |
Wheel Base | 12.1 ft 3700 mm |
Centerline of Rear Axle to Edge of Bumper | 9.3 ft 2830 mm |
Ground to Top of Exhaust Stack | 11.1 ft 3392 mm |
Length of Coal Blade on Ground | 25.5 ft 7784 mm |
Length to Front Tire | 20.9 ft 6356 mm |
Ground to Top of Hood | 8.6 ft 2614 mm |
Ground to Top of Beacon | 13.1 ft 3994 mm |
Steering System - Circuit | Pilot, load sensing Pilot, load sensing |
Steering System - Pump | Variable displacement piston Variable displacement piston |
Maximum Flow at 2,200 rpm | 38.8 gal/min 147 l/min |
Steering Cycle Times - High Idle | 3 s 3 s |
Steering Cycle Times - Low Idle | 8.2 s 8.2 s |
Relief Valve Setting - Steering | 4003 psi 27600 kPa |
Total Steering Angle | 72° 72° |
Operating Weight | 48390 lb 21950 kg |
Emissions | EPA Tier 4 Final (USA) bzw. Stufe IV (EU) EPA Tier 4 Final (USA) bzw. Stufe IV (EU) |
Stroke | 5.3 in 135 mm |
Rated Speed | 2200 r/min 2200 r/min |
Displacement | 427.8 in³ 7.01 l |
Peak Power Speed | 1700 r/min 1700 r/min |
Engine Model | Cat C7.1 Cat C7.1 |
Peak Torque - 1,400 rpm | 899 ft·lbf 1219 N·m |
Torque Rise | 52% 52% |
Peak Power Speed - Gross - SAE J1995 | 284 HP 212 kW |
Bore | 4.1 in 105 mm |
Peak Power Speed - Net - SAE J1349 | 248 HP 185 kW |
Machine Sound Level (ISO 6395) | 111 dB(A) 111 dB(A) |
Operator Sound Level (ISO 6396) | 71 dB(A) 71 dB(A) |
Note (3) | The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Note (2) | 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. 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. |
Note (1) | The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke | 101.6 mm × 234 mm (4 in × 9.2 in) 101.6 mm × 234 mm (4 in × 9.2 in) |
Relief Valve Setting - Lift/Tilt | 3190 psi 22000 kPa |
Pilot Relief Valve Setting | 3046 psi 21000 kPa |
Lift/Tilt System | Variable displacement piston Variable displacement piston |
Pilot System | Open center, fixed displacement gear Open center, fixed displacement gear |
Maximum Flow at 2,200 rpm | 23.5 gal/min 89 l/min |
Cylinders, Double Acting - Lift, Bore and Stroke | 120 mm × 915 mm (4.7 in × 36 in) 120 mm × 915 mm (4.7 in × 36 in) |
Lift/Tilt System - Circuit | Pilot operated LS valve with EH Pilot operated LS valve with EH |
Peak Power Speed - Gross - SAE J1995 | 286 HP 213 kW |
Displacement | 427.8 in³ 7.01 l |
Peak Power Speed | 2200 r/min 2200 r/min |
Stroke | 5.3 in 135 mm |
Engine Model | Cat C7.1 Cat C7.1 |
Peak Power Speed - Net - SAE J1349 | 249 HP 186 kW |
Emissions | Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3/EU Stage IIIA Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3/EU Stage IIIA |
Rated Speed | 2200 r/min 2200 r/min |
Bore | 4.1 in 105 mm |
Torque Rise | 26% 26% |
Peak Torque - 1,400 rpm | 749 ft·lbf 1016 N·m |
Machine Sound Level (ISO 6395) | 112 dB(A) 112 dB(A) |
Note (3) | The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Operator Sound Level (ISO 6396) | 71 dB(A) 71 dB(A) |
Note (1) | The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Note (2) | 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. 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. |
Note (2) | 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. 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. |
Note (1) | The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Machine Sound Level (ISO 6395) | 109 dB(A) 109 dB(A) |
Operator Sound Level (ISO 6396) | 70 dB(A) 70 dB(A) |
Note (3) | The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Operating Weight | 48390 lb 21950 kg |
Operator Sound Level (ISO 6396) | 70 dB(A) 70 dB(A) |
Note (2) | 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. 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. |
Machine Sound Level (ISO 6395) | 110 dB(A) 110 dB(A) |
Note (3) | The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Note (1) | The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at the maximum engine cooling fan speed. |
Operating Weight | 47776 lb 21671 kg |
Brakes | Single Disc Wet (enclosed) 4 WHL Single Disc Wet (enclosed) 4 WHL |
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Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.
Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
Remote Flash sends an alert from your Cat dealer, prompting you to update the software on your machine. To minimize downtime, updates can be deployed while on the jobsite without having to wait for a dealer technician to arrive. Remote flash decreases maintenance time and keeps your asset running with maximum efficiency.
View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.
Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.
My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.