Wheel Dozers:

834K Scoops Wheel Dozer

834K Scoop Wheel Dozer
Engine Model
Cat® C18 ACERT™
Net Power
496 HP
Bore
5.7 in
Stroke
7.2 in

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.



Product Specs

  • Engine

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

  • Direct Drive - Forward 1
    Lock-up disabled
    Direct Drive - Forward 2
    7.7mile/h
    Direct Drive - Forward 3
    13.7mile/h
    Direct Drive - Forward 4
    23.9mile/h
    Direct Drive - Reverse 1
    4.5mile/h
    Direct Drive - Reverse 2
    8.1mile/h
    Direct Drive - Reverse 3
    14.3mile/h
    Forward - 1
    4.2mile/h
    Forward - 2
    7.2mile/h
    Forward - 3
    12.6mile/h
    Forward - 4
    22mile/h
    Reverse - 1
    4.2mile/h
    Reverse - 2
    7.6mile/h
    Reverse - 3
    13.3mile/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
  • Axles

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

  • Operating Weight
    112838lb
  • Service Refill Capacities

  • Cooling System
    31.7gal (US)
    Crankcase
    15.9gal (US)
    Transmission
    31.7gal (US)
    Diesel Exhaust Fluid Tank*
    8.7gal (US)
    Differential - Final Drives - Front
    49.1gal (US)
    Differential - Final Drives - Rear
    49.1gal (US)
    Fuel Tank
    209.5gal (US)
    Hydraulic System - Tank Only
    37gal (US)
    Hydraulic System Factory Fill
    63.4gal (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.
  • Operating Specifications

  • Chip Scoop Operating Weight
    112838lb
    Coal Scoop Operating Weight
    112428lb
  • Sound Performance - Tier 4 Final/Stage IV - Standard

  • Machine Sound Level (ISO 6395)
    111dB(A)
    Operator Sound Level (ISO 6396)
    73dB(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 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.
  • Sound Performance - Tier 4 Final/Stage IV: Suppression

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

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

  • Coal Scoop Carry Capacity
    30yd³
    Chip Scoop Carry Capacity
    35yd³
    Chip Scoop Doze Capacity
    70yd³
    Coal Scoop Doze Capacity
    60yd³
    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
    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.
  • 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
    153gal/min
    Pilot Maximum Flow
    13.7gal/min
    Pilot Relief Valve Setting
    580psi
    Pilot System
    Variable displacement piston
    Relief Valve Setting - Lift/Tilt
    4206psi
    Cylinders, Double Acting - Tilt, Bore and Stroke
    152.4 mm × 953 mm (6.0 in × 37.5 in)
  • Hydraulic System - Steering

  • Maximum Flow
    65.8gal/min
    Relief Valve Setting - Steering
    3495psi
    Steering Cycle Times - High Idle
    3.1s
    Steering Cycle Times - Low Idle
    5.7s
    Steering System - Circuit
    Pilot, load sensing
    Steering System - Pump
    Piston, variable displacement
    Total Steering Angle
    86°
  • 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.
  • Sound Performance - Tier 2 Equivalent/Stage II: Standard

  • Machine Sound Level (ISO 6395)
    112dB(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 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.
    Operator Sound Level ( ISO 6396)
    81dB(A)
  • Sound Performance - Tier 2 Equivalent/Stage II: Suppression

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

Equipment

  • 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 with ACERT Technology, 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)
  • 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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