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SPECS SUMMARY

Engine ModelC7.1 Cat®
Net Power248 HP (185 kW)
Operating Weight48390 lb (21950 kg)
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.
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 814K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

Specifications

Engine ModelC7.1 Cat®
Net Power248 HP (185 kW)
Operating Weight48390 lb (21950 kg)
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.
Machine Sound Level (ISO 6395)110 dB(A) (110 dB(A))
Pilot SystemOpen center, fixed displacement gear
Rated Speed2200 r/min (2200 r/min)
BrakesSingle Disc Wet (enclosed) 4 WHL
Total Steering Angle72°
Oil Renewal System (ORS)N. z.
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.
Operator Sound Level (ISO 6396)71 dB(A) (71 dB(A))
Bore4.1 in (105 mm)
AC Refrigerant19hg
Ground to Top of Hood8.6 ft (2614 mm)
Operating Weight47776 lb (21671 kg)
Operator Sound Level (ISO 6396)70 dB(A) (70 dB(A))
Lift/Tilt SystemVariable displacement piston
Peak Power Speed - Gross - SAE J1995284 HP (212 kW)
EmissionsBrazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3/EU Stage IIIA
Torque Rise52%
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.
Peak Torque - 1,400 rpm899 ft·lbf (1219 N·m)
Engine ModelCat C7.1
Forward - 311 mile/h (17.6 km/h)
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.
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.
Maximum Flow at 2,200 rpm23.5 gal/min (89 l/min)
Cooling Systems - Tier 4 Final/Stage IV21.4 gal (US) (81 l)
Hydraulic System - ImplementN. z.
Diesel Exhaust Fluid Tank4.2 gal (US) (16 l)
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.
Lift/Tilt System - CircuitPilot operated LS valve with EH
Hydraulic System - SteeringN. z.
Cylinders, Double Acting - Lift, Bore and Stroke120 mm × 915 mm (4.7 in × 36.0 in)
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.
Reverse - 27.2 mile/h (11.5 km/h)
Peak Torque - 1,400 rpm749 ft·lbf (1016 N·m)
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.
Pilot Relief Valve Setting3046 psi (21000 kPa)
Operator Sound Level (ISO 6396)70 dB(A) (70 dB(A))
Peak Power Speed - Net - SAE J1349248 HP (185 kW)
Torque Rise26%
Bore4.1 in (105 mm)
Forward - 13.6 mile/h (5.7 km/h)
Cooling Systems - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA19.3 gal (US) (73 l)
Machine Sound Level (ISO 6395)109 dB(A) (109 dB(A))
Ground to Top of Beacon13.1 ft (3994 mm)
Hydraulic System - Implement/Steering34.1 gal (US) (129 l)
Reverse - 312.5 mile/h (20.1 km/h)
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.
Peak Power Speed - Net - SAE J1349249 HP (186 kW)
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.
Height - Top of Cab13.5 ft (4100 mm)
Stroke5.3 in (135 mm)
Reverse - 14.1 mile/h (6.5 km/h)
EmissionsEPA Tier 4 Final (USA) bzw. Stufe IV (EU)
Steering System - PumpVariable displacement piston
Steering System - CircuitPilot, load sensing
Centerline of Rear Axle to Edge of Bumper9.3 ft (2830 mm)
Wheel Base12.1 ft (3700 mm)
Centerline of Front Axle to Hitch6.1 ft (1850 mm)
Length - With Blade on Ground - Straight Blade27.6 ft (8422 mm)
Ground Clearance - Bumper2.8 ft (852 mm)
Ground to Top of Exhaust Stack11.1 ft (3392 mm)
Ground Clearance1.4 ft (441.4 mm)
Differential - Final Drives - Rear29.1 gal (US) (110 l)
Engine Crankcase9 gal (US) (34 l)
Differential - Final Drives - Front26.4 gal (US) (100 l)
Transmission17.4 gal (US) (66 l)
Hydraulic Tank Only35.4 gal (US) (134 l)
Fuel Tank206.6 gal (US) (782 l)
FrontPlanetary – Fixed
RearPlanetary – Oscillating
Oscillation Angle±11°
Reverse - 421.5 mile/h (34.6 km/h)
Machine Sound Level (ISO 6395)111 dB(A) (111 dB(A))
Transmission TypeCat Planetary Power Shift
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.
Length to Front Tire20.9 ft (6356 mm)
Engine ModelCat C7.1
Length of Coal Blade on Ground25.5 ft (7784 mm)
Operator Sound Level (ISO 6396)71 dB(A) (71 dB(A))
Forward - 26.3 mile/h (10.1 km/h)
Relief Valve Setting - Steering4003 psi (27600 kPa)
Stroke5.3 in (135 mm)
Peak Power Speed2200 r/min (2200 r/min)
Relief Valve Setting - Lift/Tilt3190 psi (22000 kPa)
Operating Weight48390 lb (21950 kg)
Peak Power Speed1700 r/min (1700 r/min)
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke101.6 mm × 234 mm (4.0 in × 9.2 in)
Machine Sound Level (ISO 6395)112 dB(A) (112 dB(A))
Steering Cycle Times - Low Idle8.2 s (8.2 s)
Steering Cycle Times - High Idle3 s (3 s)
Forward - 419 mile/h (30.5 km/h)
Displacement427.8 in³ (7.01 l)
Maximum Flow at 2,200 rpm38.8 gal/min (147 l/min)
Displacement427.8 in³ (7.01 l)
Rated Speed2200 r/min (2200 r/min)
AC Oil4.26 oz (126 ml)
Peak Power Speed - Gross - SAE J1995286 HP (213 kW)
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.

Benefits and Features

Improved Hydraulic Efficiency

  • New implement and steering variable displacement load sensing piston pumps.
  • Hydraulic flow now on demand, for improved fuel efficiency.

Cat C7.1 Engine

The Cat C7.1 engine is designed for maximum fuel efficiency and increased power density.

  • Features innovative Cat electronics, fuel injection process, air-management systems and aftertreatment solution (for Tier 4 Final) with Cat Selective Catalytic Reduction.
  • Innovative systems effectively lower the average working engine speed and reduce overall system heat loads for improved performance and fuel efficiency.
  • Deep system integration amongst engine and emissions system, power train, hydraulic and cooling system result in lower fuel consumptions on average compared to the previous model.

Cat Planetary Powershift Transmission

Featuring all new Advanced Productivity Electronic Control Strategy (APECS) transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

Robust Structures

Your bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest conditions.

  • Full box-section rear frame resists torsional shock and twisting forces.
  • Heavy-duty steering cylinder mounts efficiently transmit steering loads into the frame.
  • Axle mounting has been optimized for increased structural integrity.
  • Upper hitch pin, frame plate, and bearing size have been increased for longer life.

Robust Structures Design

  • Push beams are through-width, not merely attached to side of frame.
  • In corner dozing, stresses are transferred and absorbed through a larger portion of the frame.

Steering and Transmission Integrated Control System (STIC™)

Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.

  • Simple side-to-side motion turns machine right or left, minimizing operator movements.
  • Easy to operate finger controlled gear selection.
  • Smoother, faster cycles and less operator fatigue through the use of low effort integrated controls.

Cat Planetary Powershift Transmission

Building your success begins with a best-in-class transmission designed specifically for mining applications.

  • Consistent, smooth shifting and efficiency through integrated electronic controls that utilize Advanced Productivity Electronic Control Strategy (APECS).
  • Long life and reliability through heat treat gear and metallurgy.
  • Four forward and four reverse speeds to match your application.

Cat C7.1 Engine

The Cat C7.1 engine is designed for maximum fuel efficiency and increased power density. Two engine options are available to meet the emission standards for Tier 4/Stage IV or Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA.

The Tier 4 Final configuration:

  • Engine is equipped with a Selective Catalytic Reduction (SCR) system which injects DEF into the exhaust to reduce NOx emissions.
  • Cat NOx Reduction System (NRS) captures and cools a small quantity of exhaust gas, then routes in back into the combustion chamber where it drives down combustion temperatures and reduces NOx emissions.
  • While in operation, the aftertreatment will be seamless to the operator thanks to the passive regeneration system which is utilized.

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.

Environment

Your operator’s productivity is enhanced with our clean, comfortable cab environment.

  • Experience reduced vibrations from isolation cab mounts and seat air suspension.
  • Maintain desired cab temperature with automatic temperature controls.
  • Pressurized cab with filtered air.
  • Reduced sound levels.
  • Convenient floor storage tray/lunch box.

Operator Seat

Enhance comfort and help reduce operator fatigue with Cat Comfort Series III seat.

  • Mid back design and extra thick, contoured cushions.
  • Air suspension system.
  • Easy-to-reach seat levers and controls for six way adjustments.
  • Seat-mounted implement pod and STIC steer that moves with the seat.
  • 76 mm (3 in) wide retractable seat belt.

Control Panel

Ergonomic placement of switches and information display keep your operators comfortable all day every day.

  • Large backlit membrane switches feature LED activation indicators.
  • Switches feature ISO symbols for quick function identification.
  • Two position rocker switch activates the electro hydraulic park brake.

Steering and Transmission Integrated Control System (STIC™)

Enter and exit the cab easily and safely with a new fold up STIC armrest.

Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.

  • Simple side-to-side motion turns machine right or left, minimizing operator movements.
  • Easy to operate finger controlled gear selection.
  • Smoother, faster cycles help reduce operator fatigue through the use of low effort integrated controls.

We are constantly introducing features on our machines in an effort to enhance safety for the operator.

Machine Access

  • Railings, ladders and non-slip surfaces enhance technician and operator safety.
  • Platform outside of cab allows for seamless cab access, allowing operator to easily maintain three points of contact.

Visibility

  • Optional heated mirrors ensure enhanced visibility for safe operation.
  • Standard Cat Vision increases operator awareness around the machine.
  • Optional LED lights provide excellent workspace visibility.
  • Cab mounted LED warning beacons.

Operator Environment

  • Reduced vibrations to the operator with isolated cab mounts and seat mounted implement and steering controls.
  • Low interior sound levels.
  • Pressurized cab with filtered air.
  • Standard 76 mm (3 in) seat belts on the operator seat.

Integrated electronics provide flexible levels of information to both the site and the operator. This integration creates a smart machine and more informed operator, maximizing the productivity of both.

Information Display

We have worked hard to help our customers and operators perform at their best through our newly upgraded touch screen information display.

  • Intuitive operation and easy navigation with our enhanced user interface.
  • Decrease service time by keeping operators informed about machine systems.

Cat Product Link™

Take the guesswork out of asset management with Product Link remote monitoring.

  • Remote access to information through the easy-to-use VisionLink® interface.
  • Maximize uptime by staying informed on machine systems and diagnostic codes.
  • Track machine utilization and fuel usage.
  • Stay up to date on machine location, service meter hours, and reporting status.

Vital Information Management System (VIMS™)

Connect directly to the machine for access to a wide range of sensor information and enhanced machine data.

  • Create productivity reports with work cycle segmentation.
  • Identify operator training needs through productivity data.
  • Detailed data logging of machine parameters and diagnostic codes.
  • Track machine sensor information with trend analysis and histograms to monitor machine health.

Sustainability is designed and built into our 814K’s features.

  • Engine Idle Shutdown and Auto Idle Kickdown can help you save fuel by avoiding unnecessary idling.
  • Reduce waste generation with our maintenance free batteries.
  • The 814K is built for multiple lives. To assist with maximizing machine life, Caterpillar provides a number of sustainable options such as our Reman and Certified Rebuild programs. In these programs, reused or remanufactured components can deliver cost savings of 40 to 70 percent, which lowers operating cost.
  • Caterpillar offers retrofit packages to bring new features to older machines, maximizing your resource. And, when you go through the Cat Certified Rebuild program, these retrofit kits are part of the rebuild process.
  • The high speed oil change is standard and ensures fast, easy, and secure changing of the engine oil.

Cat Blades

Cat blades are resilient, durable and designed with excellent dozing and rolling characteristics.

  • Capacities and widths are set to achieve increased productivity.
  • Spreading design allows for spreading of cover material, as well as dozing of heavier loads.

Straight Blade

The straight blade (2.8 m3/3.7 yd3) is designed for production dozing in stockpile material and general earthmoving.

Coal Blade

The coal blade (10.6 m3/13.8 yd3) is designed for precise and productive dozing while helping to retain load control with increased capacity for lighter materials. Wing angles help retain the load while dozing. This blade is available from Cat Work Tool and Services (CWTS).

The 814K has several features to achieve greater fuel efficiency:

  • Load Sense Control Hydraulics – Provides only the hydraulic flow required by the implement and steering systems for improved fuel efficiency and greater rimpull.
  • Engine – Advanced engine controls maximizes power and efficiency.
  • Engine Idle Shutdown – Automatic engine and electrical system shutdown conserves fuel.
  • Advanced Productivity Electronic Control Strategy (APECS) – All new APECS transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

We can help you succeed by ensuring your 814K has design features to reduce your downtime.

  • Safe and convenient service with ground level or platform access to daily service points.
  • Swing-out doors on both sides of the engine compartment provide easy access to important daily service checks.
  • Ecology drains for ease of service and prevention of spills.
  • Reduce downtime with VIMS system notifications so your operators and technicians can resolve any problems before failure.
  • Quick visual inspection and minimize fluid contamination with sight gauges.
  • Hydraulic oil cooler, air conditioner condenser, and fuel cooler grouped together for ease of access.
  • Side access doors provided for cleanout of the cooling package.
  • A new ground level service area includes a Master Disconnect Switch with integrated lock-out/tag-out, DEF purge lamp (Tier 4 Final/Stage IV machines only), circuit breakers, emergency fuel shutoff switch and the jump start receptacle.
  • Centralized grease points for convenient maintenance.

Legendary Cat Dealer Support

A valued partner, your Cat dealer is available whenever you need them.

  • Preventive maintenance programs and guaranteed maintenance contracts.
  • Best-in-class parts availability.
  • Improve your efficiency with operator training.
  • Genuine Cat Remanufactured parts.

Standard Equipment

  • Advanced Productivity Electronic Control System (APECS)
  • Air to air aftercooler
  • Brakes, full hydraulic, enclosed, wet single disc service brakes
  • Cat clean emission module (Tier 4 Final/Stage IV only)
  • Electro-hydraulic parking brake
  • Electronic Clutch Pressure Control (ECPC)
  • Engine, Cat C7.1 configured for two emissions options
    – Tier 4 Final/Stage IV
    – Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA
  • Engine driven cooling fan – suction
  • Fuel priming pump (electric)
  • Fuel to air cooler
  • Ground level engine shutoff
  • Muffler (under hood) (Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA)
  • Radiator, unit core
  • Starting aid (ether)
  • Throttle lock
  • Torque converter
  • Transmission, planetary, with 4F/4R speed range control
  • Alarm, back-up
  • Alternator, 150 amp
  • Batteries, maintenance-free
  • Electrical system, 24V
  • Ground level lockable master disconnect switch
  • Lights, directional (rear)
  • Light, warning switched (LED strobe)
  • Lighting system, (front and rear)
  • Starter, electric
  • Starting receptacle for emergency start
  • 12V power port for mobile phone or laptop connection
  • Air conditioner
  • Cab, sound-suppressed pressurized
  • Cab door, sliding window (LH)
  • Camera, rear vision
  • Cat Detect: Object Detection (ready)
  • Coat and hard hat hooks
  • Finger tip shifting controls
  • Flip-up armrest
  • Heater and defroster
  • Horn, electric
  • Hydraulic controls – seat mounted
  • Implement hydraulic lockout
  • Instrumentation, gauges
    – DEF fluid level (Tier 4 Final/Stage IV only)
    – Engine coolant temperature
    – Fuel level
    – Hydraulic oil temperature
    – Speedometer/tachometer
    – Torque converter temperature
  • Instrumentation, warning indicators
    – Action alert system, three categories
    – Brake oil pressure
    – Electrical system, low voltage
    – Engine failure malfunction alert and action lamp
    – Parking brake status
  • Light, (dome) cab
  • Lunch box and beverage holders
  • Mirror, internal (panoramic)
  • Mirrors, rearview (externally mounted)
  • Radio ready for entertainment
    – Antenna
    – Speakers
    – Converter (12V, 10-15 amp)
  • Seat, Cat Comfort (cloth) air suspension
  • Seat belt with minder, retractable, 76 mm (3 in) wide
  • STIC control system with lockout
  • Sun visor, front
  • Tinted glass
  • Transmission gear (indicator)
  • Vital Information Management System (VIMS)
    – Graphical information display
    – External data port
    – Customizable operator profiles
    – Event indicator light on rear grill
  • Wet-arm wipers/washers (front and rear)
    – Intermittent wipers (front and rear)
  • Guards, crankcase and power train
  • Guard, driveshaft
  • Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
  • DEF tank fill gauge
  • Doors, service access (locking)
  • Ecology drains for engine, radiator, transmission, hydraulic tank
  • Engine, crankcase, 500 hour interval with CJ-4 oil
  • Emergency platform egress
  • Fire suppression ready
  • Fuel tank, 500 L (132.1 gal)
  • Hitch, drawbar with pin
  • Hoses, Cat XT™
  • Hydraulic, engine, and transmission oil coolers
  • Oil change system, high speed
  • Oil sampling valves
  • Steering, load sensing
  • Total hydraulic filtration system
  • Vandalism protection caplocks
  • Venturi stack

Optional Equipment

  • Heater, engine coolant, 120V
  • Heater, engine coolant, 240V
  • Radio, AM/FM/AUX/USB/Bluetooth®
  • Counterweight (front)
  • Sound suppression (required for Brazil)
  • Blade (straight)
  • Antifreeze, –50° C (–58° F)