834K 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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Bore 5.7in
Displacement 1105in³
Emissions U.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent
Engine Model Cat® C18 
Gross - SAE J1349 562HP
Net - SAE J1349 496HP
Net Power 496HP
Peak Power Speed 1500r/min
Peak Torque - 1,300 rpm 2092lb/ft
Rated Speed 1900r/min
Stroke 7.2in
Torque Rise 52%
Operating Weight 105271lb
Blade Capacities 7,9 – 22,2 m3 (10,3 – 29,0 yd3)
Operating Weight 105271lb
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
Cooling System 31.7gal (US)
Crankcase 15.9gal (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)
Transmission 31.7gal (US)
Front Fixed
Oscillation Angle ±13°
Rear Trunnion
Brakes ISO 3450: 2011
Exterior Sound Level - Standard 111dB(A)
Exterior Sound Level - Suppression 109dB(A)
Interior Sound Level - Standard 72dB(A)
Interior Sound Level - Suppression 71dB(A)
Centerline of Front Axle to Hitch 7.5ft
Centerline of Rear Axle to Edge of Bumper 10.5ft
Ground Clearance 1.7ft
Ground Clearance - Bumper 3.1ft
Height - Top of Air Cleaner 12.8ft
Height - Top of Cab 13.7ft
Height - Top of Exhaust Stack 15.9ft
Height - Top of Hood 10.9ft
Length - Front of Tire 28.4ft
Length - Straight Blade on Ground 32.6ft
Length - Universal Blade on Ground 34.4ft
Wheel Base 14.9ft
Blade Capacities 7,9-22,2 m3 (10,3-29,0 yd.3)
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in)
Cylinders, Double Acting - Lift, Bore and Stroke 139.75 mm × 1021 mm (5.5 in × 40.2 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 4641psi
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°

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
  • 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
    • 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