Wheel Dozers Caterpillar 834K

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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Built to Perform

Steering and Transmission Integrated Control System (STIC™)

Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.

  • Simple side-to-side motion turns machine right or left, minimizing operator movements.
  • Easy to operate finger controlled gear selection.
  • Smoother, faster cycles and less operator fatigue through the use of low effort integrated controls.

Cat Planetary Powershift Transmission

Building your success begins with a best-in-class transmission designed specifically for mining applications.

  • Consistent, smooth shifting and efficiency through integrated electronic controls that utilize Advanced Productivity Electronic Control Strategy (APECS).
  • Long life and reliability through heat treat gear and metallurgy.
  • Four forward and three reverse speeds to match your application.

Cat C18 Engine

Durability and efficiency at the heart of your 834K comes from the Cat C18 Engine. Optimum performance is built in through the use of a 6 cylinder, four-stroke design.

  • Optimized performance and quick engine response with an electronic control module.
  • Reliable efficiency with complete control over injection timing, duration and pressure with Mechanically Actuated Electronic Unit Injection (MEUI™).
  • Extended engine life and improved fuel efficiency with reduced rated speed.
  • Designed to meet U.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent emission standards.

Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS)

Lower your operating costs utilizing advanced ICTC and RCS for modulated rimpull.

  • Reduce tire slippage and wear by modulating rimpull from 100 to 25 percent while depressing left pedal. After 25 percent rimpull is achieved the left pedal applies the brake.
  • Reduce the potential for wheel slippage without reducing hydraulic efficiency with RCS.
  • Improve fuel efficiency in certain applications with our lock-up clutch torque converter providing direct drive.

Technology That Gets Work Done

Cat Minestar System

Cat MineStar System is the industry's broadest suite of integrated mine operations and mobile equipment management technologies, configurable to suit your operation's needs. Its capability sets - Fleet, Terrain, Detect, Health and Command - contain a range of technologies that let you manage everything from fleet assignment and condition monitoring to remote and autonomous control. The 834K can take advantage of many of these advanced technologies, some of which are standard out of the factory.

Fleet

Fleet provides comprehensive, real-time machine tracking, assignment and productivity management, giving you a comprehensive overview of all operations from anywhere in the world.

Terrain for Loading

Terrain with your 834K enables high-precision management of loading operations through the use of guidance technology. It increases 834K productivity and provides you real-time feedback for improved efficiency.

Detect

Detect helps increase operator awareness, enhancing safety at your operation. It includes a range of capabilities designed to assist the operator with areas of limited visibility around fixed and mobile equipment.

Health

Health delivers critical event-based machine condition and operating data for your entire fleet. It includes comprehensive equipment health and asset monitoring capabilities, with a wide range of diagnostic, analytic and reporting tools.

Integrated Cat® Technologies

Technology Solutions

The 834K electronic systems have been completely integrated to function as one machine. This integration creates a smart machine and more informed operator, maximizing the productivity of both.

Cat Product Link™

Cat Product link allows remote monitoring of equipment to improve overall fleet management effectiveness. Events and diagnostic codes, as well as hours, fuel, idle time and other information are transmitted to a secure web based application, VisionLink™. VisionLink includes powerful tools to convey information to users and dealers, including mapping, working and idle time, fuel level and more.

VIMS™ 3G

We have worked hard to help our customers and operators perform at their best through our Vital Information Management System (VIMS 3G).

  • Easy-to-view graphical information display features a large touch screen interface.
  • Intuitive operation and easy navigation with our enhanced user interface.
  • Decrease service time by keeping operators informed about machine system malfunction or operation.

Long Term Value and Durability

Robust Structures

Your bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest conditions.

  • Full box-section rear frame resists torsional shock and twisting forces.
  • Heavy-duty steering cylinder mounts efficiently transmit steering loads into the frame.
  • Axle mounting has been optimized for increased structural integrity.
  • Lower hitch pin, frame plate, and bearing size have been increased for longer life.

Robust Structures Design

  • Push beams are through-width, not merely attached to side of frame.
  • In corner dozing, stresses are transferred and absorbed through a larger portion of the frame.

Purpose-Built Cat Attachments

Cat Blades

Cat blades are resilient, durable and designed with excellent dozing and rolling characteristics.

  • Capacities and widths are set to achieve increased productivity.
  • Spreading design allows for spreading of cover material, as well as dozing of heavier loads.

Straight Blade

The straight blade (7.9 m3/10.3 yd3) is designed for production dozing in stockpile material and general earthmoving.

Universal Blade

The universal blade (11.1 m3/14.7 yd3) is designed to move large loads over long distances in mining applications.

Semi-Universal Blade

The characteristics of the straight and universal blades are combined into the semi-universal blade (10.1 m3/13.3 yd3). It provides increased capacity with the addition of short wings which include only the dozer end bits without sacrificing spreading characteristics of straight blades.

Coal Blade

The coal blade (22.2 m3/29 yd3) is designed for precise and productive dozing while helping to retain load control with increased capacity for lighter materials. Wing angles help retain the load while dozing. This blade is available from Cat Work Tool and Services (CWTS).

Assemblies

The straight, semi-universal and universal blades consists of the blade, push arms, hydraulic lift, tip and tilt cylinders, trunnion mounting, stabilizer and hydraulic line guards.

Other Available Options

See your Cat dealer for blade options such as coal and wood scoop from CWTS and Custom Products.

Move More with Less Fuel

Cat C18 Engine

The Cat C18 engine is built and tested to meet your most demanding applications. Three C18 engine options are available in this machine: A U.S. EPA Tier 4 Final/EU Stage IV Technology with aftertreatment, Tier 3 equivalent engine without aftertreatment, or a Tier 2 equivalent engine without aftertreatment.

  • Fully integrated electronic engine controls works in concert with the entire machine to make your fuel go farther.
  • Use less fuel idling with Engine Idle Shutdown.
  • Maximized durability with Delayed Engine Shutdown.

Cat Planetary Powershift Transmission

Featuring all new Advanced Productivity Electronic Control Shifting (APECS) transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

Impeller Clutch Torque Converter (ICTC)

Enable your operators to maximize efficiency by varying machine rimpull while putting more horsepower to hydraulics.

  • Reduced tire wear
  • Enables full throttle shifts for faster cycle times
  • Provides smooth approach to the dump target for less spillage and faster cycle times.

Cat Torque Converter with Lock-up Clutch

  • Eliminates TC losses while lowering system heat
  • Improves travel speeds
  • Reduces cycle times in load and carry operations

Improved Hydraulic Efficiency

  • New flow sharing implement and steering variable displacement load sensing piston pumps.
  • Hydraulic flow now on demand, for improved fuel efficiency.

Work in Comfort

Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.

Entry and Exit

Enter and exit the cab easily and safely with these newly designed, ergonomic features.

  • Fold up STIC steer/armrest.
  • Reduced angles on access stairways.
  • Standard stairway lighting.

Cat Comfort Series III Seat

Enhance comfort and reduce operator fatigue with Cat Comfort Series III seat.

  • Mid back design and extra thick, contoured cushions.
  • Air suspension system.
  • Easy-to-reach seat levers and controls for six way adjustments.
  • Seat-mounted implement pod and STIC steer that moves with the seat.
  • 76 mm (3 in) wide retractable seat belt.

Control Panel

Ergonomic placement of switches and Information display keep your operators comfortable all day every day.

  • Large backlit membrane switches feature LED activation indicators.
  • Switches feature ISO symbols for quick function identification.
  • Two position rocker switch activates the electro hydraulic park brake.

Environment

Your operator's productivity is enhanced with our clean, comfortable cab environment.

  • Experience reduced vibrations from isolation cab mounts and seat air suspension.
  • Maintain desired cab temperature with automatic temperature controls.
  • Pressurized cab with filtered air.
  • Sound level reduced to a quiet 71 dB(A).
  • Convenient floor storage tray/lunch box.

Safety First

Safety

We are constantly introducing features on our machines in an effort to enhance safety for the operator.

Machine Access

  • Left and right hand stairs with 45 degree angle enhance safety for operators getting on and off the 834K.
  • Continuous walkway with non-skid surfaces are designed into the service areas.
  • Maintain three points of contact at all times through ground level or platform accessible service areas.

Visibility

  • Optional heated mirrors ensure enhanced visibility for safe operation.
  • Standard Cat Vision or optional Cat Detect with radar increase operator awareness around the machine.
  • Optional HID or LED lights provide excellent workspace visibility.
  • Optional cab mounted LED warning beacons.

Operator Environment

  • Reduced vibrations to the operator with isolated cab mounts and seat mounted implement and steering controls.
  • Low interior sound levels.
  • Pressurized cab with filtered air.
  • Standard 76 mm (3 in) seat belts on the operator seat.

Specificatii tehnice

SPECIFICATII TEHNICE

Engine
Engine Model Cat® C18 
Net Power 370 kW
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
Torque Rise 52 %
Rated Speed 1900 r/min
Net - SAE J1349 370 kW
Peak Power Speed 1500 r/min
Peak Torque - 1,300 rpm 2836 N·m
Gross - SAE J1349 419 kW
Emissions U.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent
Transmission
Direct Drive - Forward 2 12.4 km/h
Direct Drive - Forward 3 22.1 km/h
Direct Drive - Reverse 1 7.2 km/h
Direct Drive - Reverse 2 13 km/h
Direct Drive - Reverse 3 23 km/h
Forward - 3 20.3 km/h
Direct Drive - Forward 1 Lock-up disabled
Transmission Type Cat-Planetenlastschaltgetriebe
Forward - 2 11.6 km/h
Forward - 4 35.4 km/h
Reverse - 1 6.8 km/h
Forward - 1 6.8 km/h
Reverse - 2 12.2 km/h
Reverse - 3 21.4 km/h
Direct Drive - Forward 4 38.5 km/h
Brakes
Brakes ISO 3450: 2011
Axles
Front Fixed
Rear Trunnion
Oscillation Angle ±13°
Weights
Operating Weight 47750 kg
Service Refill Capacities
Cooling System 120 l
Crankcase 60 l
Transmission 120 l
Differential - Final Drives - Front 186 l
Differential - Final Drives - Rear 186 l
Hydraulic System - Tank Only 140 l
Diesel Exhaust Fluid Tank 33 l
Hydraulic System Factory Fill 240 l
Fuel Tank 793 l
Operating Specifications
Blade Capacities 7,9 – 22,2 m3 (10,3 – 29,0 yd3)
Operating Weight 47750 kg
Sound Performance
Interior Sound Level - Standard 72 dB(A)
Exterior Sound Level - Standard 111 dB(A)
Exterior Sound Level - Suppression 109 dB(A)
Interior Sound Level - Suppression 71 dB(A)
Dimensions
Length - Front of Tire 8715 mm
Centerline of Front Axle to Hitch 2275 mm
Length - Straight Blade on Ground 9927 mm
Wheel Base 4550 mm
Ground Clearance 531 mm
Centerline of Rear Axle to Edge of Bumper 3187 mm
Height - Top of Exhaust Stack 4835 mm
Height - Top of Hood 3334 mm
Ground Clearance - Bumper 933 mm
Length - Universal Blade on Ground 10470 mm
Height - Top of Cab 4184 mm
Height - Top of Air Cleaner 3895 mm
Blades
Blade Capacities 7,9-22,2 m3 (10,3-29,0 yd.3)
Hydraulic System - Lift/Tilt
Pilot Maximum Flow 52 l/min
Relief Valve Setting - Lift/Tilt 32000 kPa
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke 140 mm × 230 mm (5.5 in × 9.1 in)
Pilot Relief Valve Setting 4000 kPa
Maximum Flow at 1,900 rpm 582 l/min
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke 139.75 mm × 1021 mm (5.5 in × 40.2 in)
Pilot System Variable displacement piston
Hydraulic System - Steering
Maximum Flow 250 l/min
Steering System - Pump Piston, variable displacement
Relief Valve Setting - Steering 24100 kPa
Steering Cycle Times - High Idle 3.1 s
Steering Cycle Times - Low Idle 5.7 s
Steering System - Circuit Pilot, load sensing
Total Steering Angle 86 °
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