814K Wheel Dozer

Overview
Engine Model
C7.1 Cat®
Transmission Type
Cat Planetary Power Shift
Oscillation Angle
±11°
  • Exterior View
  • Interior View

Engine

Engine Model
C7.1 Cat®
Net Power
248 HP

Transmission

Transmission Type
Cat Planetary Power Shift
Reverse - 1
4 mile/h
Reverse - 4
22 mile/h
Forward - 4
19 mile/h
Forward - 2
6 mile/h
Forward - 3
11 mile/h
Reverse - 3
13 mile/h
Forward - 1
4 mile/h
Reverse - 2
7 mile/h

Axles

Oscillation Angle
±11°
Rear
Planetary – Oscillating
Front
Planetary – Fixed

Service Refill Capacities

Fuel Tank
207 gal (US)
Hydraulic Tank Only
35 gal (US)
Transmission
17 gal (US)
Differential - Final Drives - Front
26 gal (US)
Engine Crankcase
9 gal (US)
Differential - Final Drives - Rear
29 gal (US)
AC Oil
4 oz
Oil Renewal System (ORS)
N. z.
AC Refrigerant
19hg
Hydraulic System - Implement/Steering
34 gal (US)
Cooling Systems - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA
19 gal (US)
Cooling Systems - Tier 4 Final/Stage IV
21 gal (US)
Hydraulic System - Steering
N. z.
Diesel Exhaust Fluid Tank
4 gal (US)
Hydraulic System - Implement
N. z.

Dimensions (Approximate)

Ground Clearance
1 ft
Ground Clearance - Bumper
3 ft
Height - Top of Cab
14 ft
Length - With Blade on Ground - Straight Blade
28 ft
Centerline of Front Axle to Hitch
6 ft
Wheel Base
12 ft
Centerline of Rear Axle to Edge of Bumper
9 ft
Ground to Top of Exhaust Stack
11 ft
Length of Coal Blade on Ground
26 ft
Length to Front Tire
21 ft
Ground to Top of Hood
9 ft
Ground to Top of Beacon
13 ft

Hydraulic System - Steering

Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Variable displacement piston
Maximum Flow at 2,200 rpm
39 gal/min
Steering Cycle Times - High Idle
3 s
Steering Cycle Times - Low Idle
8 s
Relief Valve Setting - Steering
4,003 psi
Total Steering Angle
72°

Weights

Operating Weight
48,390 lb

Engine - Tier 4 Final/Stage IV

Emissions
EPA Tier 4 Final (USA) bzw. Stufe IV (EU)
Stroke
5 in
Rated Speed
2,200 r/min
Displacement
428 in³
Peak Power Speed
1,700 r/min
Engine Model
Cat C7.1
Peak Torque - 1,400 rpm
899 ft·lbf
Torque Rise
52%
Peak Power Speed - Gross - SAE J1995
284 HP
Bore
4 in
Peak Power Speed - Net - SAE J1349
248 HP

Sound Performance - Tier 4 Final/Stage IV - Standard

Machine Sound Level (ISO 6395)
111 dB(A)
Operator Sound Level (ISO 6396)
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.
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.
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.

Hydraulic System - Lift/Tilt

Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke
101.6 mm × 234 mm (4.0 in × 9.2 in)
Relief Valve Setting - Lift/Tilt
3,190 psi
Pilot Relief Valve Setting
3,046 psi
Lift/Tilt System
Variable displacement piston
Pilot System
Open center, fixed displacement gear
Maximum Flow at 2,200 rpm
24 gal/min
Cylinders, Double Acting - Lift, Bore and Stroke
120 mm × 915 mm (4.7 in × 36.0 in)
Lift/Tilt System - Circuit
Pilot operated LS valve with EH

Engine - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA

Peak Power Speed - Gross - SAE J1995
286 HP
Displacement
428 in³
Peak Power Speed
2,200 r/min
Stroke
5 in
Engine Model
Cat C7.1
Peak Power Speed - Net - SAE J1349
249 HP
Emissions
Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3/EU Stage IIIA
Rated Speed
2,200 r/min
Bore
4 in
Torque Rise
26%
Peak Torque - 1,400 rpm
749 ft·lbf

Sound Performance - Brazil MAR-1, equivalent to Tier 3/Stage IIIA - Standard

Machine Sound Level (ISO 6395)
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.
Operator Sound Level (ISO 6396)
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.
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.

Sound Performance - Tier 4 Final/Stage IV: Suppression

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.
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.
Machine Sound Level (ISO 6395)
109 dB(A)
Operator Sound Level (ISO 6396)
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.

Operating Specifications - Tier 4 Final/Stage IV

Operating Weight
48,390 lb

Sound Performance - Brazil MAR-1, equivalent to Tier 3/Stage IIIA - Suppression

Operator Sound Level (ISO 6396)
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.
Machine Sound Level (ISO 6395)
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.
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.

Operating Specifications - Brazil MAR-1 and China Nonroad Stage III, equivalent to Tier 3/Stage IIIA

Operating Weight
47,776 lb

Brakes

Brakes
Single Disc Wet (enclosed) 4 WHL

Move More with Less Fuel

Long Term Value and Durability

Built to Perform

Work in Comfort

Safety First

Integrated Cat® Technologies

Reduce Environmental Impact

Purpose-Built Cat Attachments

Save on Fuel Costs

Save on Service and Maintenance

Top-Tier Service and Support

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • 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
  • Electrical
    • 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
  • Operator Environment
    • 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
    • Guards, crankcase and power train
    • Guard, driveshaft
  • Fluids
    • Antifreeze, premixed 50% concentration extended life (–34° C/–29° F)
  • Other Standard Equipment
    • 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
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Starting Aids
    • Heater, engine coolant, 120V
    • Heater, engine coolant, 240V
  • Operator Environment
    • Radio, AM/FM/AUX/USB/Bluetooth®
  • Other Attachments
    • Counterweight (front)
    • Sound suppression (required for Brazil)
  • Blades
    • Blade (straight)
  • Fluids
    • Antifreeze, –50° C (–58° F)
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