+

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.

Engine

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

Weights

Operating Weight 112838lb

Service Refill Capacities

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

Axles

Front Fixed
Rear Trunnion
Oscillation Angle ±13°

Brakes

Brakes ISO 3450: 2011

Transmission

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

Operating Specifications

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

Sound Performance - Tier 4 Final/Stage IV: Suppression

Operator Sound Level (ISO 6396) 72dB(A)
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) Der Schallleistungspegel der Maschine wurde nach den Prüfverfahren und -bedingungen gemessen, wie sie in ISO 6395:2008 festgelegt sind.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.

Sound Performance - Tier 4 Final/Stage IV - Standard

Operator Sound Level (ISO 6396) 73dB(A)
Machine Sound Level (ISO 6395) 111dB(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.
Note (1) Der Schalldruckpegel am Fahrerohr wurde nach den in ISO 6396:2008 vorgegebenen Prüfverfahren und -bedingungen gemessen.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.
Note (3) Der Schallleistungspegel der Maschine wurde nach den Prüfverfahren und -bedingungen gemessen, wie sie in ISO 6395:2008 festgelegt sind.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.

Dimensions (Approximate)

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

Scoops

Coal Scoop Carry Capacity 30yd³
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
Coal Scoop Doze Capacity 60yd³
Chip Scoop Carry Capacity 35yd³
Chip Scoop Doze Capacity 70yd³

Hydraulic System - Lift/Dump/Tilt

Pilot Maximum Flow 13.7gal/min
Pilot Relief Valve Setting 580psi
Maximum Flow at 1,900 rpm 153gal/min
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Left and Right Dump, Bore and Stroke 127 mm × 838 mm (5.0 in × 33.0 in)
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Relief Valve Setting - Lift/Tilt 4206psi
Cylinders, Double Acting - Lift, Bore and Stroke 170.0 mm × 1107 mm (6.7 in × 43.6 in)
Pilot System Variable displacement piston
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
Total Steering Angle 86°
Steering Cycle Times - Low Idle 5.7s
Steering Cycle Times - High Idle 3.1s
Relief Valve Setting - Steering 3495psi
Steering System - Pump Piston, variable displacement
Steering System - Circuit Pilot, load sensing

Sound Performance - Tier 2 Equivalent/Stage II: Standard

Note (1) Der Schalldruckpegel am Fahrerohr wurde nach den in ISO 6396:2008 vorgegebenen Prüfverfahren und -bedingungen gemessen.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.
Machine Sound Level (ISO 6395) 112dB(A)
Operator Sound Level (ISO 6396) 81dB(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 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.

Sound Performance - Tier 2 Equivalent/Stage II: Suppression

Note (1) Der Schalldruckpegel am Fahrerohr wurde nach den in ISO 6396:2008 vorgegebenen Prüfverfahren und -bedingungen gemessen.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.
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) 109dB(A)
Operator Sound Level (ISO 6396) 81dB(A)
Note (3) Der Schallleistungspegel der Maschine wurde nach den Prüfverfahren und -bedingungen gemessen, wie sie in ISO 6395:2008 festgelegt sind.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.

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.

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