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834K Scoops Wheel Dozer

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 mid-1960’s, the 834 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 834K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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SPECIFICATION SUMMARY
  • Engine Model Cat® C18 ACERT™
  • Net Power 496 hp
  • Bore 5.7 in
  • Stroke 7.2 in

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C18 ACERT™
  • Net Power
    496 hp
  • Bore
    5.7 in
  • Stroke
    7.2 in
  • Displacement
    1105 in3
  • Torque Rise
    52%
  • Emissions
    U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
  • Gross – SAE J1349
    562 hp
  • Net - SAE J1349
    496 HP
  • Peak Power Speed
    1,500 rpm
  • Peak Torque - 1,300 rpm
    2092 ft·lbf
  • Rated Speed
    1,900 rpm
  • Engine Model
    C18 Cat®
  • Net Power
    496 HP
  • Bore
    5.7 in
  • Stroke
    7.2 in
  • Displacement
    1105 in³
  • Emissions
    U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
  • Gross - SAE J1349
    562 HP
  • Peak Power Speed
    1500/min
  • Rated Speed
    1,900/min
  • Torque Rise
    52%

Weights

  • Operating Weight
    112838 lb
  • Operating Weight
    112838 lb

Operating Specifications

  • Coal Scoop Operating Weight
    112428 lb
  • Chip Scoop Operating Weight
    112838 lb

Transmission

  • Direct Drive Forward 1
    Lock-up disabled
  • Direct Drive Forward 2
    7.7 mph
  • Direct Drive Forward 3
    13.7 mph
  • Direct Drive Forward 4
    23.9 mph
  • Direct Drive Reverse 1
    4.5 mph
  • Direct Drive Reverse 2
    8.1 mph
  • Direct Drive Reverse 3
    14.3 mph
  • Forward 1
    4.2 mph
  • Forward 2
    7.2 mph
  • Forward 3
    12.6 mph
  • Forward 4
    22.0 mph
  • Reverse 1
    4.2 mph
  • Reverse 2
    7.6 mph
  • Reverse 3
    13.3 mph
  • Transmission Type
    Cat planetary power shift
  • Note
    Travel speeds based on 35/65-R33 tire.
  • Direct Drive - Forward 1
    Lock-up disabled
  • Direct Drive - Forward 2
    7.7 mile/h
  • Direct Drive - Forward 3
    13.7 mile/h
  • Direct Drive - Forward 4
    23.9 mile/h
  • Direct Drive - Reverse 1
    4.5 mile/h
  • Direct Drive - Reverse 2
    8.1 mile/h
  • Direct Drive - Reverse 3
    14.3 mile/h
  • Forward - 1
    4.2 mile/h
  • Forward - 2
    7.2 mile/h
  • Forward - 3
    12.6 mile/h
  • Forward - 4
    22 mile/h
  • Reverse - 1
    4.2 mile/h
  • Reverse - 2
    7.6 mile/h
  • Reverse - 3
    13.3 mile/h
  • Transmission Type
    Cat planetary power shift
  • Note
    Travel speeds based on 35/65-R33 tire.
  • Note
    Travel speeds based on 35/65-R33 tire.

Brakes

  • Brakes
    ISO 3450:2011
  • Brakes
    ISO 3450: 2011

Axles

  • Front
    Fixed
  • Rear
    Trunnion
  • Oscillation Angle
    ±13°
  • Front
    Fixed
  • Rear
    Trunnion
  • Oscillation Angle
    ±13°

Dimensions (Approximate)

  • Height - Top of Exhaust Stack
    14.8 ft
  • Length - With Coal Scoop on Ground
    39.3 ft
  • Length - With Chip Scoop on Ground
    39.3 ft
  • Height to Top of Cab
    13.7 ft
  • Height to Top of Hood
    10.9 ft
  • Height - Top of Air Cleaner
    12.8 ft
  • Ground to Center of Front Axle
    3.2 ft
  • Centerline of Front Axle to Hitch
    7.5 ft
  • Centerline of Rear Axle to Edge of Bumper
    10.5 ft
  • Wheelbase
    14.9 ft
  • Length - Front of Tire
    28.4 ft
  • Ground Clearance
    1.7 ft
  • Height - Edge of Retracted Scoop
    7.4 ft
  • Height - Edge of Dumped Scoop
    5 ft
  • Dump Angle at Full Lift Height
    64 deg
  • Centerline of Rear Axle to Edge of Bumper
    10.5 ft
  • Ground Clearance
    1.7 ft
  • Height - Top of Cab
    13.7 ft
  • Height - Top of Hood
    10.9 ft
  • Wheel Base
    14.9 ft

Service Refill Capacities

  • Diesel Exhaust Fluid Tank*
    8.7 gal
  • Fuel Tank
    209.5 gal
  • Hydraulic System (tank only)
    37.0 gal
  • Hydraulic System Factory Fill
    63.4 gal
  • Cooling System
    31.7 gal
  • Crankcase
    15.9 gal
  • Transmission
    31.7 gal
  • Differentials and Final Drives – Front
    49.1 gal
  • Differentials and Final Drives – Rear
    49.1 gal
  • Note
    All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:
    – Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 are acceptable when blended with 15 ppm (mg/kg) sulfur or less
  • Note
    *Only applicable to Tier 4 Final/Stage IV equipped machines.
  • Cooling System
    31.7 gal (US)
  • Crankcase
    15.9 gal (US)
  • Transmission
    31.7 gal (US)
  • Diesel Exhaust Fluid Tank*
    8.7 gal (US)
  • Differential - Final Drives - Front
    49.1 gal (US)
  • Differential - Final Drives - Rear
    49.1 gal (US)
  • Fuel Tank
    209.5 gal (US)
  • Hydraulic System - Tank Only
    37 gal (US)
  • Hydraulic System Factory Fill
    63.4 gal (US)
  • Note (1)
    All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:
    – Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 are acceptable when blended with 15 ppm (mg/kg) sulfur or less
  • Note (2)
    *Only applicable to Tier 4 Final/Stage IV equipped machines.

Hydraulic System - Lift/Dump/Tilt

  • Cylinders, Double Acting - Left and Right Dump, Bore and Stroke
    127 mm × 838 mm (5.0 in × 33.0 in)
  • Cylinders, Double Acting - Lift, Bore and Stroke
    170.0 mm × 1107 mm (6.7 in × 43.6 in)
  • Lift/Tilt System
    Variable displacement piston
  • Lift/Tilt System - Circuit
    Pilot operated LS valve with EH
  • Maximum Flow at 1,900 rpm
    153 gal/min
  • Pilot Maximum Flow
    13.7 gal/min
  • Pilot Relief Valve Setting
    580 psi
  • Pilot System
    Variable displacement piston
  • Relief Valve Setting - Lift/Tilt
    4206 psi
  • Cylinders, Double Acting - Tilt, Bore and Stroke
    152.4 mm × 953 mm (6.0 in × 37.5 in)

Sound Performance: Tier 4 Final/Stage IV – Standard

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

Sound Performance: Tier 4 Final/Stage IV – Suppression

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

Hydraulic System – Steering

  • Maximum Flow
    65.8 gal/min
  • Relief Valve Setting – Steering
    3495 psi
  • Steering Cycle Time (high idle)
    3.1 sec
  • Steering Cycle Time (low idle)
    5.7 sec
  • Steering System – Circuit
    Pilot, load sensing
  • Steering System – Pump
    Piston, variable displacement
  • Total Steering Angle
    86°

Scoops

  • Coal Scoop Carry Capacity
    30 yd³
  • Coal Scoop Doze Capacity
    60 yd³
  • Chip Scoop Carry Capacity
    35 yd³
  • Chip Scoop Doze Capacity
    70 yd³
  • Type
    Large capacity scoops for both wood chip and coal applications. A mesh screen integrated into the back of the scoop maintains visibility to the cutting edge. The chip scoop version has extra screens at the top due to higher capacity.
  • Components
    Both scoops come with dual lift cylinders for increased lift capacity. Integrated stabilizer system makes sure that the scoop stays stable and centralized on the machine. Scoop tilt function is standard and provides ±15 degrees of tilt to maintain grade c

Air Conditioning System

  • Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
  • Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Sound Performance: Tier 2 Equivalent/Stage II – Standard

  • Operator Sound Level (ISO 6396)
    81 dB(A)
  • Machine Sound Level (ISO 6395)
    112 dB(A)

Sound Performance: Tier 2 Equivalent/Stage II – Suppression

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

Sound Performance - Tier 4 Final/Stage IV - Standard

  • Note (1)
    The operator sound pressure level was measured according to the test procedures and conditions specifi ed in ISO 6396:2008. – The measurement was conducted at 70 percent of 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 (3)
    The machine sound power level was measured according to the test procedures and conditions specifi ed in ISO 6395:2008. – The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Machine Sound Level (ISO 6395)
    111 dB(A)
  • Operator Sound Level (ISO 6396)
    73 dB(A)

Sound Performance - Tier 4 Final/Stage IV: Suppression

  • 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 70 percent of 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 (3)
    The machine sound power level was measured according to the test procedures and conditions specifi ed in ISO 6395:2008. – The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Machine Sound Level (ISO 6395)
    109 dB(A)
  • Operator Sound Level (ISO 6396)
    72 dB(A)

Sound Performance - Tier 2 Equivalent/Stage II: Standard

  • Note (1)
    The operator sound pressure level was measured according to the test procedures and conditions specifi ed in ISO 6396:2008. – The measurement was conducted at 70 percent of 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 (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 70 percent of the maximum engine cooling fan speed.
  • Machine Sound Level (ISO 6395)
    112 dB(A)
  • Operator Sound Level (ISO 6396)
    81 dB(A)

Sound Performance - Tier 2 Equivalent/Stage II: Suppression

  • Note (1)
    The operator sound pressure level was measured according to the test procedures and conditions specifi ed in ISO 6396:2008. – The measurement was conducted at 70 percent of 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 (3)
    The machine sound power level was measured according to the test procedures and conditions specifi ed in ISO 6395:2008. – The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
  • Machine Sound Level (ISO 6395)
    109 dB(A)
  • Operator Sound Level (ISO 6396)
    81 dB(A)

Hydraulic System - Steering

  • Maximum Flow
    65.8 gal/min
  • Relief Valve Setting - Steering
    3495 psi
  • Steering Cycle Times - High Idle
    3.1 s
  • Steering Cycle Times - Low Idle
    5.7 s
  • Steering System - Circuit
    Pilot, load sensing
  • Steering System - Pump
    Piston, variable displacement
  • Total Steering Angle
    86°

Move More with Less Fuel

Long Term Value and Durability

Built to Perform

Work in Comfort

Integrated Cat® Technologies

Technology that Gets Work Done

Safety First

Reduce Environmental Impact

Achieve Greater Productivity

Save on Fuel Costs

Save on Service and Maintenance

Top-Tier Service and Support

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Electrical
    • Alarm, back-up
    • Alternator (100 amp)
    • Batteries, maintenance-free
    • Deutsch terminal connectors
    • Electrical system (24V)
    • Lighting system, halogen (front and rear), access stairway
    • Starter, electric (heavy-duty)
    • Starting receptacle for emergency starts
  • Operator Environment
    • Air conditioner
    • Cab, sound suppressed and pressurized
    • Internal four-post rollover protective structure (ROPS/FOPS), radio ready (entertainment) includes antenna, speakers and converter (12V, 15 amp), 12V power port, tinted glass
    • Cigar lighter (12V, 15 amp) and ashtray
    • Coat hook
    • Electro-Hydraulic tilt, tip controls
    • Heater and defroster
    • Horn, electric
    • Light, cab (dome)
    • Lock-up clutch disable switch
    • Lunchbox and beverage holders
    • Monitoring system (VIMS 3G)
    • Action alert system, three category
    • Instrumentation, gauges:
      – Engine coolant temperature
      – Fuel level
      – Hydraulic oil temperature
      – Speedometer/tachometer
      – Transmission oil temperature
      – Instrumentation, warning indicators
      – Axle/brake oil temperature (front/rear)
      – Brake oil pressure
      – Electrical system, low voltage
      – Engine intake/combustion air temperature
      – Engine oil pressure
      – Engine overspeed
      – Fuel pressure
      – Hydraulic oil filter status
      – Parking brake status
      – Transmission filter status
      – Cat Vision (rear vision camera)
    • Mirrors, rearview (externally mounted)
    • Rimpull select switch
    • Seat, Comfort Series (cloth), air suspension
    • Seat belt, retractable, 76 mm (3 in) wide
    • STIC control system with steering lock
    • Tilt and lift control system lock
    • Transmission gear indicator
    • Wet-arm wipers/washers (front and rear)
    • Intermittent front wiper
  • Power Train
    • Brakes, full hydraulic, enclosed, wet-disc
    • Multiple disc service brakes
    • Case drain filters
    • Demand fan
    • Engine, Cat C18 MEUI, ATAAC, ADEM™ IV controller
    • Fuel priming pump (electric)
    • Parking brake
    • Precleaner, engine air intake
    • Radiator, Next Generation Modular
    • Radiator (NGMR)
    • Separated cooling system
    • Starting aid (ether) automatic
    • Throttle lock
    • Torque converter, impeller clutch with lock-up control system and rimpull control system (switch and dial in cab)
    • Transmission, planetary, autoshift (4F/3R)
  • Other Standard Equipment
    • Doors, service access (locking)
    • Engine, crankcase, 500 hour interval with CH-4 oil
    • Grouped Electronic Clutch Pressure
    • Control, remote mounted pressure taps
    • Hitch, drawbar with pin
    • Hood, metallic with lockable service doors
    • Hydraulic oil cooler
    • Muffler (under hood)
    • Oil sampling valves
    • Stairway, left side (rear access)
    • Steering, load sensing
    • Vandalism protection caplocks
    • Venturi stack
    • ±15 degree scoop tilt
  • Tires, Rims And Wheels
    • A tire must be selected from the mandatory attachments section – base machine price includes a tire allowance
  • Antifreeze
    • Premixed 50 percent concentration of Extended Life Coolant with freeze protection to –34° C (–29° F)

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Power Train
    • –50° C (–58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • Engine compression brake
    • Automatic retarding control (with engine compression brake)
    • Axle oil cooler
    • Second starter
    • Jacket water heater
    • Crankcase guards
  • Operator Environment
    • Cab precleaner
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with Bluetooth
    • LED warning strobe
    • CB radio ready
    • Window pull down visor
    • Sound suppression
    • Visor group – cab pull-down shade
    • Cat Detect (rear object detection)
  • Miscellaneous Attachments
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)
    • Cat Detect
    • Halogen and HID lights
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