834K Scoops Wheel Dozer

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Efficiency

Structures

Power Train

Operator Station

Technology Solutions

Cat MineStar System

Safety

Sustainability

Productivity

Operating Costs

Serviceability

Customer Support

Engine
Engine Model Cat® C18 ACERT™
Net Power 370 kW (496 HP)
Bore 145 mm (5.7 in)
Stroke 183 mm (7.2 in)
Displacement 18.1 l (1105 inu00b3)
Emissions U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
Gross - SAE J1349 419 kW (562 HP)
Net - SAE J1349 370 kW (496 HP)
Peak Power Speed 1,500 rpm
Peak Torque - 1,300 rpm 2836 N·m (2092 ft·lbf)
Rated Speed 1,900 rpm
Torque Rise 52%
Transmission
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 12.4 km/h (7.7 mile/h)
Direct Drive - Forward 3 22.1 km/h (13.7 mile/h)
Direct Drive - Forward 4 38.5 km/h (23.9 mile/h)
Direct Drive - Reverse 1 7.2 km/h (4.5 mile/h)
Direct Drive - Reverse 2 13 km/h (8.1 mile/h)
Direct Drive - Reverse 3 23 km/h (14.3 mile/h)
Forward - 1 6.8 km/h (4.2 mile/h)
Forward - 2 11.6 km/h (7.2 mile/h)
Forward - 3 20.3 km/h (12.6 mile/h)
Forward - 4 35.4 km/h (22 mile/h)
Reverse - 1 6.8 km/h (4.2 mile/h)
Reverse - 2 12.2 km/h (7.6 mile/h)
Reverse - 3 21.4 km/h (13.3 mile/h)
Transmission Type Cat planetary power shift
Brakes
Brakes ISO 3450:2011
Axles
Front Fixed
Rear Trunnion
Oscillation Angle u00b113u00b0
Weights
Operating Weight 51290 kg (112838 lb)
Service Refill Capacities
Cooling System 120 l (31.7 gal (US))
Crankcase 60 l (15.9 gal (US))
Transmission 120 l (31.7 gal (US))
Diesel Exhaust Fluid Tank* 33 l (8.7 gal (US))
Differential - Final Drives - Front 186 l (49.1 gal (US))
Differential - Final Drives - Rear 186 l (49.1 gal (US))
Fuel Tank 793 l (209.5 gal (US))
Hydraulic System - Tank Only 140 l (37 gal (US))
Hydraulic System Factory Fill 240 l (63.4 gal (US))
Operating Specifications
Chip Scoop Operating Weight 51290 kg (112838 lb)
Coal Scoop Operating Weight 51103 kg (112428 lb)
Sound Performance - Tier 4 Final/Stage IV - Standard
Machine Sound Level (ISO 6395) 111 dB(A) (111 dB(A))
Operator Sound Level (ISO 6396) 73 dB(A) (73 dB(A))
Sound Performance - Tier 4 Final/Stage IV: Suppression
Machine Sound Level (ISO 6395) 109 dB(A) (109 dB(A))
Operator Sound Level (ISO 6396) 72 dB(A) (72 dB(A))
Dimensions (Approximate)
Centerline of Front Axle to Hitch 2275 mm (7.5 ft)
Centerline of Rear Axle to Edge of Bumper 3187 mm (10.5 ft)
Ground Clearance 531 mm (1.7 ft)
Ground to Center of Front Axle 978 mm (3.2 ft)
Height - Top of Air Cleaner 3895 mm (12.8 ft)
Height - Top of Cab 4184 mm (13.7 ft)
Height - Top of Exhaust Stack 4498 mm (14.8 ft)
Height - Top of Hood 3334 mm (10.9 ft)
Length - Front of Tire 8715 mm (28.4 ft)
Length - With Chip Scoop on Ground 11974 mm (39.3 ft)
Length - With Coal Scoop on Ground 11971 mm (39.3 ft)
Wheel Base 4550 mm (14.9 ft)
Scoops
Coal Scoop Carry Capacity 22.9 mu00b3 (30 ydu00b3)
Hydraulic System - Lift/Dump/Tilt
Cylinders, Double Acting - Left and Right Dump, Bore and Stroke 127 mm u00d7 838 mm (5.0 in u00d7 33.0 in)
Cylinders, Double Acting - Lift, Bore and Stroke 170.0 mm u00d7 1107 mm (6.7 in u00d7 43.6 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Maximum Flow at 1,900 rpm 582 l/min (153 gal/min)
Pilot Maximum Flow 52 l/min (13.7 gal/min)
Pilot Relief Valve Setting 4000 kPa (580 psi)
Pilot System Variable displacement piston
Relief Valve Setting - Lift/Tilt 29000 kPa (4206 psi)
Hydraulic System - Steering
Maximum Flow 250 l/min (65.8 gal/min)
Relief Valve Setting - Steering 24100 kPa (3495 psi)
Steering Cycle Times - High Idle 3.1 s (3.1 s)
Steering Cycle Times - Low Idle 5.7 s (5.7 s)
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 86u00b0
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.
Dimensions (Approximate)
Dump Angle at Full Lift Height 64 deg
Height - Edge of Dumped Scoop 1520 mm (5 ft)
Height - Edge of Retracted Scoop 2250 mm (7.4 ft)
Hydraulic System - Lift/Dump/Tilt
Cylinders, Double Acting - Tilt, Bore and Stroke 152.4 mm u00d7 953 mm (6.0 in u00d7 37.5 in)
Scoops
Chip Scoop Carry Capacity 26.8 mu00b3 (35 ydu00b3)
Chip Scoop Doze Capacity 53.5 mu00b3 (70 ydu00b3)
Coal Scoop Doze Capacity 45.9 mu00b3 (60 ydu00b3)
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 u00b115 degrees of tilt to maintain grade conditions and keep your operation safe.
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.
Service Refill Capacities
Note (1) All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:
u2013 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 or less ULSD and when the biodiesel feedstock meets ASTM D7467 specifications.
u2013 Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specifications are required.
Note (2) *Only applicable to Tier 4 Final/Stage IV equipped machines.
Sound Performance - Tier 2 Equivalent/Stage II: Standard
Machine Sound Level (ISO 6395) 112 dB(A) (112 dB(A))
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
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.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Operator Sound Level ( ISO 6396) 81 dB(A) (81 dB(A))
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Machine Sound Level (ISO 6395) 109 dB(A) (109 dB(A))
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
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.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Operator Sound Level (ISO 6396) 81 dB(A) (81 dB(A))
Sound Performance - Tier 4 Final/Stage IV - Standard
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
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.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
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.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
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.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
u2013 The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Transmission
Note Travel speeds based on 35/65-R33 tire.

Standard Equipment

  • 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 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)
  • 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
    • ±15 degree scoop tilt
  • 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

  • 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
    • Jacket water heater
    • 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

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