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834

834

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 over 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 834 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

Engine Model Cat® C18
Rated Speed 1900 r/min
Peak Power Speed 1500 r/min

Technicial Specifications

Engine
Engine Model Cat® C18
Rated Speed 1900 r/min
Peak Power Speed 1500 r/min
Gross Power - SAE J1995 419 kW
Net Power - SAE J1349 370 kW
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
Peak Torque - 1,300 rpm 2836 N·m
Torque Rise 52 %
Emissions U.S. EPA Tier 4 Final and EU Stage V emission standards or equivalent to U.S. EPA Tier 3 and U.S. EPA Tier 2.
Operating Specifications
Operating Weight 47750 kg
Blade Capacities 7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Coal Scoop Operating Weight 51103 kg
Chip Scoop Operating Weight 112838 kg
Transmission
Transmission Type Cat planetary power shift
Forward - 1 6.8 km/h
Forward - 2 11.6 km/h
Forward - 3 20.3 km/h
Forward - 4 35.4 km/h
Reverse - 1 6.8 km/h
Reverse - 2 12.2 km/h
Reverse - 3 21.4 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 12.4 km/h
Direct Drive - Forward 3 22.1 km/h
Direct Drive - Forward 4 38.5 km/h
Direct Drive - Reverse 1 7.2 km/h
Direct Drive - Reverse 2 13 km/h
Direct Drive - Reverse 3 23 km/h
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Lift/Tilt System Variable displacement piston
Maximum Flow at 1,900 rpm 582 l/min
Relief Valve Setting - Lift/Tilt 32000 kPa
Cylinders, Double Acting - Lift, Bore and Stroke 139.75 mm × 1021 mm (5.5 in × 40.2 in)
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in)
Pilot System Variable displacement piston
Pilot Maximum Flow 52 l/min
Pilot Relief Valve Setting 4000 kPa
Hydraulic System - Steering
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Maximum Flow 250 l/min
Relief Valve Setting - Steering 24100 kPa
Total Steering Angle 86 °
Steering Cycle Times - High Idle 3.1 s
Steering Cycle Times - Low Idle 5.7 s
Service Refill Capacities
Fuel Tank 793 l
Cooling System 120 l
Crankcase 60 l
Diesel Exhaust Fluid Tank 33 l
Transmission 120 l
Hydraulic System Factory Fill 240 l
Differential - Final Drives - Front 186 l
Differential - Final Drives - Rear 186 l
Hydraulic System - Tank Only 140 l
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.
Axles
Front Fixed
Rear Trunnion
Oscillation Angle ±13°
Brakes
Brakes ISO 3450: 2011
Sound Performance - Tier 4 Final/EU Stage V - Standard
Operator Sound Level (ISO 6396) 72 dB(A)
Machine Sound Level (ISO 6395) 113 dB(A)
Sound Performance - Tier 4 Final/EU Stage V - Suppression
Operator Sound Level (ISO 6396) 72 dB(A)
Machine Sound Level (ISO 6395) 109 dB(A)
Dimensions
Height - Top of Exhaust Stack 4835 mm
Height - Top of Air Cleaner 3895 mm
Height - Top of Hood 3334 mm
Ground Clearance - Bumper 933 mm
Centerline of Rear Axle to Edge of Bumper 3187 mm
Wheel Base 4550 mm
Length - Front of Tire 8715 mm
Length - Straight Blade on Ground 9927 mm
Centerline of Front Axle to Hitch 2275 mm
Length - Universal Blade on Ground 10470 mm
Ground Clearance 531 mm
Height - Top of Cab 4184 mm
Scoops
Chip Scoop Carry Capacity 26.8 m³
Chip Scoop Doze Capacity 53.3 m³
Coal Scoop Carry Capacity 22.9 m³
Coal Scoop Doze Capacity 45.9 m³

Advantages and Features

BUILT TO PERFORM

Unmatched Durability

        
  • The full box-section rear frame resists torsional shock and twisting forces.
  •     
  • Heavy-duty steering cylinder mounts efficiently transmit steering loads into the frame.
  •     
  • Optimized axle mounting results in increased structural integrity.
  •     
  • Achieve longer component life with increased size of upper hitch pin, frame plate, and bearing.
  •     
  • Solid through-width push beams transfer and absorb stresses through a larger portion of the frame.
  •     
  • Features fully enclosed hydraulic wet disc brakes for improved performance.
  •     
  • Robust structures withstand the toughest conditions and multiple lifecycles to improve your bottom line.
  •     
  • In corner dozing, stresses are transferred and absorbed through a larger portion of the frame.

MOVE MORE WITH LESS FUEL

Optimum Efficiency

        
  • The Cat C18 engine is designed for maximum fuel efficiency in the most demanding applications.
  •     
  • Experience reliable efficiency with complete control over injection timing, duration, and pressure with Mechanically Actuated Electronic Unit Injection (MEUI™).
  •     
  • Best-in-class Cat planetary powershift transmission features consistent, smooth shifting and efficiency through integrated electronic controls.
  •     
  • Extended engine life and improved fuel efficiency with reduced rated speed.
  •     
  • Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) provide precise rimpull control.
  •     
  • Load sensing hydraulic steering system enables precise machine control for easier loading.
  •     
  • Lock-up torque converter with advanced control of lock-up speed.
  •     
  • On demand cooling fan protects investment and lengthens lifecycle.
  •     
  • Fully integrated electronic engine controls provide quick response.

SAFETY FIRST

Increased Safety

        
  • Optional Cat Detect with Object Detection System (rearview camera and radar) or standard Vision (rearview camera) increase operator awareness around the machine.
  •     
  • Cab-mounted LED strobes provide warning for others near the machine.
  •     
  • Optional HID or LED lights provide excellent workspace visibility.
  •     
  • Optional heated mirrors ensure enhanced visibility for safe operation.

TECHNOLOGY THAT GETS WORK DONE

Innovative Technology

        
  • Integrated technologies allow you to monitor, manage, and enhance your jobsite operations.
  •     
  • Product Link™ remote monitoring provides valuable insight into machine or fleet performance through the VisionLink® interface, so you can make decisions that boost jobsite efficiency and lower operating costs.
  •     
  • Vital Information Management System (VIMS™) 3G touchscreen monitor gives access to a wide range of sensor information and enhanced machine data to resolve problems before machine failure.
  •     
  • Optional Cat Detect technologies enhance awareness of the environment around the machine for increased safety.

WORK IN COMFORT

Enhanced Operator Comfort

        
  • Steering and Transmission Integrated Control System (STIC™) combines directional selection, gear selection, and steering into a single lever, maximizing responsiveness and control, while reducing operator fatigue.
  •     
  • Operators can easily enter and exit the cab with fold-up STIC steer/ armrest, reduced access stairway angles, and standard stairway lighting.
  •     
  • Experience reduced vibrations with isolated cab mounts and seatmounted implement and steering controls.
  •     
  • Reduced interior sound levels keep operators comfortable throughout their entire shift.

REDUCE ENVIRONMENTAL IMPACT

Improved Sustainability

        
  • The engine is available in configurations that meet U.S. EPA Tier 4 Final and EU Stage V emission standards, or equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2.
  •     
  • Automatic Engine Idle Shutdown conserves fuel when machine is not in use.
  •     
  • Generate less waste with maintenance-free batteries.
  •     
  • Maximize machine life and lower operating costs with Caterpillar Reman and Certified Rebuild programs, which utilize reused or remanufactured components for 40 to 70% cost savings.
  •     
  • Retrofit packages from Caterpillar deliver new features to older machines to get the most from your investment.

SAVE ON SERVICE AND MAINTENANCE

Simplified Maintenance

        
  • Machine features ground level or platform access to easily reach daily service points.
  •     
  • Swing-out doors on either side of the engine compartment provide easy access to critical daily service checks.
  •     
  • Ecology drains prevent spills and allow for easier service.
  •     
  • Intuitive design includes ground level access to transmission control valves for safe and convenient service.

PURPOSE-BUILT SPECIALTY MODELS

        
  • Available in two scoop arrangements – wood chip and coal.
  •     
  • Cat wood chip and coal scoops have the unique capability of maximizing your production by both dozing and carrying a load with each pass.
  •     
  • A purpose built hydraulic system, optimized for use with this work tool, maximizes machine productivity and efficiency.
  •     
  • Dual lift cylinders provide hydraulic lift capacity matched to the demands of the application.
  •     
  • Can be equipped with optional ground level accessible swing-out reversing fan for quick inspection and easy cleanout.
  •     
  • Equipped with underhood ventilation system which creates a neutral pressure environment to prevent wood chip ingestion from hood openings while providing fresh air to the alternator, electronics, and turbo.
  •     
  • Extended top guard for increased capacity for wood chip scoops.
  •     
  • Higher ground pressure decreases risk of fires and maximizes use of storage space.
  •     
  • Less damage to coal or wood chips due to rubber tires.
  •     
  • High ground speed provides ability to manage multiple piles.
  •     
  • Scoop design allows load and carry function for mixing.
  •     
  • Lift and tip-out design makes stockpiling operations easy.
  •     
  • Scoop tilt control is standard to maximize worksite efficiency.

Standard Equipment

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • ELECTRICAL
    • Alarm, back-up
    • Alternator (100 amp)
    • Batteries, dry
    • Hazardous voltage lamp
    • Converter, 10/15 amp, 24V to 12V
    • Lighting system, (LED work lights, access and service platform lighting)
    • Starting and charging system, 24V
    • Starter emergency start receptacle
  • OPERATOR ENVIRONMENT
    • Air conditioner
    • Cab, sound suppressed and pressurized
    • Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
    • Cat Vision, rear-vision camera system
    • Graphical information display, displays real time operating information, performs calibrations and customizes operator settings
    • Tilt, tip controls
    • Heater and defroster
    • Horn, electric
    • Light, cab (dome)
    • Lights, directional
    • Lunchbox and beverage holders
    • Monitoring system (VIMS 3G)
    • Radio, AM/FM/CD/MP3 Bluetooth®
    • Instrumentation, gauges: - coolant temperature, engine hour meter, hydraulic oil temperature, powertrain oil temperature
    • Mirrors, rearview (externally mounted)
    • Rimpull control system (RCS)
    • Seat, deluxe
    • Seat belt, retractable, 76 mm (3 in) wide
    • Steering and transmission integrated control (STIC™) system
    • UV glass
    • Operator presence
    • Wet-arm wipers/washers (front and rear)
    • Intermittent front and rear wipers
  • POWER TRAIN
    • Brakes, oil-cooled, multi-disc, service/secondary
    • Automatic retarding controls
    • Case drain screens
    • Engine, Cat C18 MEUI™, diesel, turbocharged/aftercooled
    • Antifreeze, premixed 50% concentration of extended life coolant with freeze protection to -34°C (-29°F)
    • Parking brake
    • Turbine precleaner, engine air intake
    • Radiator, Aluminum Modular Radiator (AMR)
    • Manual switch and automatic fuel priming
    • Starting aid (ether) automatic
    • Throttle lock, electronic
    • Torque converter, impeller clutch with lock-up control system and rimpull control system (switch and dial in cab)
    • Transmission, planetary, power shift (4F/3R) electronic control
  • OTHER STANDARD EQUIPMENT
    • Doors, service access (locking)
    • Hitch, drawbar with pin
    • Oil sampling valves
    • Stairway, left side (rear access)
    • Steering, load sensing
    • Vandalism protection caplocks

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 brake
    • High ambient cooling-software
    • Turbine precleaner, engine air intake dual stage
    • Axle oil cooler
    • Crankcase guards
  • OPERATOR ENVIRONMENT
    • Cab precleaner
    • Radio, AM/FM/CD/MP3 Bluetooth with Satellite SiriusXM
    • Satellite Sirius radio with Bluetooth
    • LED warning strobe
    • CB radio ready
    • Window pull down visor
    • Cat Detect (object detection system)
  • MISCELLANEOUS ATTACHMENTS
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)