New | 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.

Engine ModelCat® C18 ACERT™
Net Power496 HP
Bore5.7 in
Stroke7.2 in
Displacement1105 in³
Torque Rise52 %
EmissionsU.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent
Gross - SAE J1349562 HP
Net - SAE J1349496 HP
Peak Power Speed1500 r/min
Peak Torque - 1,300 rpm2092 lb/ft
Rated Speed1900 r/min
Direct Drive - Forward 27.7 mile/h
Direct Drive - Forward 313.7 mile/h
Direct Drive - Reverse 14.5 mile/h
Direct Drive - Reverse 28.1 mile/h
Direct Drive - Reverse 314.3 mile/h
Direct Drive - Forward 1Lock-up disabled
Direct Drive - Forward 423.9 mile/h
Forward - 14.2 mile/h
Forward - 27.2 mile/h
Forward - 312.6 mile/h
Forward - 422 mile/h
Reverse - 14.2 mile/h
Reverse - 27.6 mile/h
Reverse - 313.3 mile/h
Transmission TypeCat planetary power shift
BrakesISO 3450:2011
Oscillation Angle±13°
Operating Weight105271 lb
Service Refill Capacities
Cooling System31.7 gal (US)
Crankcase15.9 gal (US)
Transmission31.7 gal (US)
Differential - Final Drives - Front49.1 gal (US)
Differential - Final Drives - Rear49.1 gal (US)
Diesel Exhaust Fluid Tank8.7 gal (US)
Fuel Tank209.5 gal (US)
Hydraulic System - Tank Only37 gal (US)
Hydraulic System Factory Fill63.4 gal (US)
Operating Specifications
Blade Capacities7.9-22.2 m3 (10.3-29.0 yd3)
Operating Weight105271 lb
Sound Performance
Exterior Sound Level - Standard111 dB(A)
Exterior Sound Level - Suppression109 dB(A)
Interior Sound Level - Standard72 dB(A)
Interior Sound Level - Suppression71 dB(A)
Centerline of Front Axle to Hitch7.5 ft
Centerline of Rear Axle to Edge of Bumper10.5 ft
Ground Clearance1.7 ft
Ground Clearance - Bumper3.1 ft
Height - Top of Air Cleaner12.8 ft
Height - Top of Cab13.7 ft
Height - Top of Exhaust Stack15.9 ft
Height - Top of Hood10.9 ft
Length - Front of Tire28.4 ft
Length - Straight Blade on Ground32.6 ft
Length - Universal Blade on Ground34.4 ft
Wheel Base14.9 ft
Blade Capacities7.9-22.2 m3 (10.3-29.0 yd3)
Hydraulic System - Lift/Tilt
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke140 mm × 230 mm (5.5 in × 9.1 in)
Cylinders, Double Acting - Lift, Bore and Stroke139.75 mm × 1021 mm (5.5 in × 40.2 in)
Lift/Tilt SystemVariable displacement piston
Lift/Tilt System - CircuitPilot operated LS valve with EH
Maximum Flow at 1,900 rpm153 gal/min
Pilot Maximum Flow13.7 gal/min
Pilot Relief Valve Setting580 psi
Pilot SystemVariable displacement piston
Relief Valve Setting - Lift/Tilt4641 psi
Hydraulic System - Steering
Maximum Flow65.8 gal/min
Relief Valve Setting - Steering3495 psi
Steering Cycle Times - High Idle3.1 s
Steering Cycle Times - Low Idle5.7 s
Steering System - CircuitPilot, load sensing
Steering System - PumpPiston, variable displacement
Total Steering Angle86 °
  • Efficiency
  • Structures
  • Power Train
  • Operator Station
  • Technology Solutions
  • Cat Minestar System
  • Safety
  • Sustainability
  • Blades
  • Operating Costs
  • Serviceability
  • Customer Support

Standard Equipment

  • 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
  • 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
  • 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)
  • 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
  • A tire must be selected from the mandatory attachments section - base machine price includes a tire allowance
  • Premixed 50 percent concentration of Extended Life Coolant with freeze protection to -34° C (-29° F)

Optional Equipment

  • -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
  • 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)
  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)
  • Cat Detect
  • Halogen and HID lights



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