Engine
Engine Model | Cat® C7.1 Cat® C7.1 |
Net Power | 248.0 HP 185.0 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 | Cat® C7.1 Cat® C7.1 |
Net Power | 248.0 HP 185.0 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 | 19.0 mile/h 30.5 km/h |
Forward - 2 | 6.3 mile/h 10.1 km/h |
Forward - 3 | 11.0 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 | ±10° ±10° |
Rear | Planetary – Oscillating Planetary – Oscillating |
Front | Planetary – Fixed Planetary – Fixed |
Fuel Tank | 132.1 gal (US) 500.0 l |
Hydraulic Tank Only | 19.8 gal (US) 75.0 l |
Transmission | 13.2 gal (US) 50.0 l |
Differential - Final Drives - Front | 17.2 gal (US) 65.0 l |
Engine Crankcase | 5.3 gal (US) 20.0 l |
Differential - Final Drives - Rear | 17.2 gal (US) 65.0 l |
AC Oil | 4.26 oz 126.0 ml |
Oil Renewal System (ORS) | N/A N/A |
AC Refrigerant | 19 hg 19 hg |
Hydraulic System - Implement/Steering | 34.1 gal (US) 129.0 l |
Cooling Systems - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA | 19.3 gal (US) 73.0 l |
Cooling Systems - Tier 4 Final/Stage IV | 21.4 gal (US) 81.0 l |
Hydraulic System - Steering | N/A N/A |
Diesel Exhaust Fluid Tank | 4.2 gal (US) 16.0 l |
Hydraulic System - Implement | N/A N/A |
Ground Clearance | 1.4 ft 413.0 mm |
Ground Clearance - Bumper | 2.3 ft 712.0 mm |
Height - Top of Cab | 12.1 ft 3694.0 mm |
Length - With Blade on Ground - Straight Blade | 23.6 ft 7190.0 mm |
Centerline of Front Axle to Hitch | 5.5 ft 1675.0 mm |
Wheel Base | 11.0 ft 3350.0 mm |
Centerline of Rear Axle to Edge of Bumper | 6.5 ft 1990.0 mm |
Ground to Top of Exhaust Stack | 11.1 ft 3392.0 mm |
Length of Coal Blade on Ground | 25.5 ft 7784.0 mm |
Length to Front Tire | 20.9 ft 6356.0 mm |
Ground to Top of Hood | 8.6 ft 2614.0 mm |
Ground to Top of Beacon | 13.1 ft 3994.0 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 147.0 l/min |
Steering Cycle Times - High Idle | 3.0 s 3.0 s |
Steering Cycle Times - Low Idle | 8.2 s 8.2 s |
Relief Valve Setting - Steering | 4003.0 psi 27600.0 kPa |
Total Steering Angle | 72° 72° |
Operating Weight | 48390.0 lb 21950.0 kg |
Emissions | U.S. EPA Tier 4 Final/EU Stage IV U.S. EPA Tier 4 Final/EU Stage IV |
Stroke | 5.3 in 135.0 mm |
Rated Speed | 2200.0 r/min 2200.0 r/min |
Displacement | 427.8 in³ 7.01 l |
Peak Power Speed | 1700.0 r/min 1700.0 r/min |
Engine Model | Cat C7.1 Cat C7.1 |
Peak Torque - 1,400 rpm | 899.0 ft·lbf 1219.0 N·m |
Torque Rise | 52% 52% |
Peak Power Speed - Gross - SAE J1995 | 284.0 HP 212.0 kW |
Bore | 4.1 in 105.0 mm |
Peak Power Speed - Net - SAE J1349 | 248.0 HP 185.0 kW |
Machine Sound Level (ISO 6395) | 111.0 dB(A) 111.0 dB(A) |
Operator Sound Level (ISO 6396) | 71.0 dB(A) 71.0 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 (4.0 in × 9.2 in) 101.6 mm × 234 mm (4.0 in × 9.2 in) |
Relief Valve Setting - Lift/Tilt | 3190.0 psi 22000.0 kPa |
Pilot Relief Valve Setting | 3046.0 psi 21000.0 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 89.0 l/min |
Cylinders, Double Acting - Lift, Bore and Stroke | 120 mm × 915 mm (4.7 in × 36.0 in) 120 mm × 915 mm (4.7 in × 36.0 in) |
Lift/Tilt System - Circuit | Pilot operated LS valve with EH Pilot operated LS valve with EH |
Peak Power Speed - Gross - SAE J1995 | 286.0 HP 213.0 kW |
Displacement | 427.8 in³ 7.01 l |
Peak Power Speed | 2200.0 r/min 2200.0 r/min |
Stroke | 5.3 in 135.0 mm |
Engine Model | Cat C7.1 Cat C7.1 |
Peak Power Speed - Net - SAE J1349 | 249.0 HP 186.0 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 | 2200.0 r/min 2200.0 r/min |
Bore | 4.1 in 105.0 mm |
Torque Rise | 26% 26% |
Peak Torque - 1,400 rpm | 749.0 ft·lbf 1016.0 N·m |
Machine Sound Level (ISO 6395) | 112.0 dB(A) 112.0 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) | 71.0 dB(A) 71.0 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) | 109.0 dB(A) 109.0 dB(A) |
Operator Sound Level (ISO 6396) | 70.0 dB(A) 70.0 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 | 48390.0 lb 21950.0 kg |
Operator Sound Level (ISO 6396) | 70.0 dB(A) 70.0 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) | 110.0 dB(A) 110.0 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 | 47776.0 lb 21671.0 kg |
Brakes | Single Disc Wet (enclosed) 4 WHL Single Disc Wet (enclosed) 4 WHL |
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Caterpillar designed CCTV camera systems enhance the operators view around the perimeter of the vehicle during startup and vehicle maneuvering increasing safety and productivity.
Work Area Vision System (WAVS) can be used on any Cat and non Cat® machines where the operator's view is limited due to blind spots around the machine. is WAVS has multiple offerings from a one camera system to up to a four camera system. Additionally, three tiers of systems are available, a heavy duty version, customized partial kit (build to fit your machine), and a light duty version.
Cat Detect with Vision for Construction is not compatible with or scalable to Cat Detect Object Detection.
Caterpillar designed CCTV camera systems enhance the operators view around the perimeter of the vehicle during startup and vehicle maneuvering increasing safety and productivity.
Work Area Vision System (WAVS) can be used on any Cat and non Cat® machines where the operator's view is limited due to blind spots around the machine. is WAVS has multiple offerings from a one camera system to up to a four camera system. Additionally, three tiers of systems are available, a heavy duty version, customized partial kit (build to fit your machine), and a light duty version.
Cat Detect with Vision for Construction is not compatible with or scalable to Cat Detect Object Detection.
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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.