Wheel Dozers Caterpillar 834K Scoops for Coal & Woodchips

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.
  • Option of: Tier 4 Final/Stage IV emissions standards, Tier 3 equivalent, or Tier 2 equivalent.

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.

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: Tier 4 Final/Stage IV with aftertreatment, Tier 3 equivalent, or Tier 2 equivalent.

  • 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.

Save on Fuel Costs

The 834K has several features to achieve greater fuel efficiency:

  • Positive Flow Control Hydraulics – Provides only the hydraulic flow required by the implement and steering systems for improved fuel efficiency and greater rimpull.
  • Engine – Advanced engine controls maximizes power and efficiency.
  • Engine Idle Shutdown – Automatic engine and electrical system shutdown conserves fuel.
  • Lock-up Torque Converter – Transfers more power to the ground and optimizes fuel efficiency in all applications.
  • Advanced Productivity Electronic Control Strategy (APECS) – All new APECS transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

Machine configuration, operator technique, and job site layout can impact fuel consumption.

  • Machine Configuration – Select the correct work tool and tire type based on machine application. Ensure proper inflation pressures.
  • Idle – Set the parking brake to engage Engine Idle Management System.

Achieve Greater Productivity

Purpose Built Front Linkage

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 is optimized for use with this work tool to maximize machine productivity and efficiency. Dual lift cylinders provide hydraulic lift capacity matched to the demands of the application.

Oscillating Rear Axle

The fixed front axle and oscillating rear axle ensures four-wheel ground contact for optimum traction and stability. The front axle is rigidly mounted to the front loader frame, while the rear axle is allowed to oscillate. This configuration allows the operator's view of the scoop to remain constant as the rear axle oscillates enabling the operator to maintain a smooth and properly graded work area in any underfoot conditions.

Work in Comfort

Operator Station

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) when equipped with the sound suppression package.
  • Convenient floor storage tray/lunch box.

Technology that Gets Work Done

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.

Safety First

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.
  • 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.

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.

Specificatii tehnice

SPECIFICATII TEHNICE

Engine
Engine Model C18 Cat®
Net Power 370 kW
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
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 370 kW
Peak Power Speed 1500/min
Peak Torque - 1,300 rpm 2836 N·m
Gross - SAE J1349 419 kW
Transmission
Direct Drive - Reverse 3 23 km/h
Forward - 3 20.3 km/h
Direct Drive - Reverse 1 7.2 km/h
Forward - 2 11.6 km/h
Direct Drive - Forward 2 12.4 km/h
Forward - 1 6.8 km/h
Direct Drive - Reverse 2 13 km/h
Reverse - 2 12.2 km/h
Direct Drive - Forward 3 22.1 km/h
Reverse - 1 6.8 km/h
Reverse - 3 21.4 km/h
Forward - 4 35.4 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 4 38.5 km/h
Transmission Type Cat planetary power shift
Brakes
Brakes ISO 3450: 2011
Axles
Front Fixed
Rear Trunnion
Oscillation Angle ±13°
Weights
Operating Weight 51290 kg
Service Refill Capacities
Cooling System 120 l
Crankcase 60 l
Transmission 120 l
Hydraulic System - Tank Only 140 l
Differential - Final Drives - Rear 186 l
Differential - Final Drives - Front 186 l
Hydraulic System Factory Fill 240 l
Diesel Exhaust Fluid Tank* 33 l
Fuel Tank 793 l
Operating Specifications
Coal Scoop Operating Weight 51103 kg
Chip Scoop Operating Weight 51290 kg
Sound Performance - Tier 4 Final/Stage IV: Suppression
Operator Sound Level (ISO 6396) 72 dB(A)
Machine Sound Level (ISO 6395) 109 dB(A)
Sound Performance - Tier 4 Final/Stage IV - Standard
Operator Sound Level (ISO 6396) 73 dB(A)
Machine Sound Level (ISO 6395) 111 dB(A)
Dimensions (Approximate)
Height - Top of Exhaust Stack 4498 mm
Centerline of Front Axle to Hitch 2275 mm
Length - With Chip Scoop on Ground 11974 mm
Ground to Center of Front Axle 978 mm
Length - With Coal Scoop on Ground 11971 mm
Height - Top of Cab 4184 mm
Length - Front of Tire 8715 mm
Centerline of Rear Axle to Edge of Bumper 3187 mm
Height - Top of Air Cleaner 3895 mm
Height - Top of Hood 3334 mm
Ground Clearance 531 mm
Wheel Base 4550 mm
Scoops
Coal Scoop Carry Capacity 22.9 m³
Hydraulic System - Lift/Dump/Tilt
Pilot Maximum Flow 52 l/min
Pilot Relief Valve Setting 4000 kPa
Maximum Flow at 1,900 rpm 582 l/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 29000 kPa
Cylinders, Double Acting - Lift, Bore and Stroke 170.0 mm × 1107 mm (6.7 in × 43.6 in)
Pilot System Variable displacement piston
Hydraulic System - Steering
Maximum Flow 250 l/min
Total Steering Angle 86°
Steering Cycle Times - Low Idle 5.7 s
Steering Cycle Times - High Idle 3.1 s
Relief Valve Setting - Steering 24100 kPa
Steering System - Pump Piston, variable displacement
Steering System - Circuit Pilot, load sensing
Service Refill Capacities
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...
Sound Performance - Tier 4 Final/Stage IV: Suppression
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.
Scoops
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...
Coal Scoop Doze Capacity 45.9 m³
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.
Transmission
Note Travel speeds based on 35/65-R33 tire.
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.
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Machine Sound Level (ISO 6395) 112 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Machine Sound Level (ISO 6395) 109 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Operator Sound Level (ISO 6396) 81 dB(A)
Dimensions (Approximate)
Height - Edge of Dumped Scoop 1520 mm
Height - Edge of Retracted Scoop 2250 mm
Sound Performance - Tier 4 Final/Stage IV - Standard
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
Operator Sound Level (ISO 6396) 81 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Standard
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.
Hydraulic System - Lift/Dump/Tilt
Cylinders, Double Acting - Tilt, Bore and Stroke 152.4 mm × 953 mm (6.0 in × 37.5 in)
Sound Performance - Tier 4 Final/Stage IV - 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.
Service Refill Capacities
Note (2) *Only applicable to Tier 4 Final/Stage IV equipped machines.
Scoops
Chip Scoop Carry Capacity 26.8 m³
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
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.
Scoops
Chip Scoop Doze Capacity 53.5 m³
Sound Performance - Tier 4 Final/Stage IV: Suppression
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 4 Final/Stage IV - Standard
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)
Dump Angle at Full Lift Height 64 deg
Sound Performance - Tier 4 Final/Stage IV: Suppression
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.
Sound Performance - Tier 2 Equivalent/Stage II: Standard
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.
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