834K Scoops 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.

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Engine

Engine Model

C18 Cat®

Net Power

496HP

Bore

5.7in

Stroke

7.2in

Displacement

1105in³

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

496HP

Peak Power Speed

1500/min

Peak Torque - 1,300 rpm

2092ft·lbf

Gross - SAE J1349

562HP

Weights

Operating Weight

112838lb

Service Refill Capacities

Cooling System

31.7gal (US)

Crankcase

15.9gal (US)

Transmission

31.7gal (US)

Hydraulic System - Tank Only

37gal (US)

Differential - Final Drives - Rear

49.1gal (US)

Differential - Final Drives - Front

49.1gal (US)

Hydraulic System Factory Fill

63.4gal (US)

Diesel Exhaust Fluid Tank*

8.7gal (US)

Fuel Tank

209.5gal (US)

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 or less

Note (2)

*Only applicable to Tier 4 Final/Stage IV equipped machines.

Axles

Front

Fixed

Rear

Trunnion

Oscillation Angle

±13°

Brakes

Brakes

ISO 3450: 2011

Transmission

Direct Drive - Reverse 3

14.3mile/h

Forward - 3

12.6mile/h

Direct Drive - Reverse 1

4.5mile/h

Forward - 2

7.2mile/h

Direct Drive - Forward 2

7.7mile/h

Forward - 1

4.2mile/h

Direct Drive - Reverse 2

8.1mile/h

Reverse - 2

7.6mile/h

Direct Drive - Forward 3

13.7mile/h

Reverse - 1

4.2mile/h

Reverse - 3

13.3mile/h

Forward - 4

22mile/h

Direct Drive - Forward 1

Lock-up disabled

Direct Drive - Forward 4

23.9mile/h

Transmission Type

Cat planetary power shift

Note

Travel speeds based on 35/65-R33 tire.

Operating Specifications

Coal Scoop Operating Weight

112428lb

Chip Scoop Operating Weight

112838lb

Sound Performance - Tier 4 Final/Stage IV: Suppression

Operator Sound Level (ISO 6396)

72dB(A)

Machine Sound Level (ISO 6395)

109dB(A)

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.

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. – The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Sound Performance - Tier 4 Final/Stage IV - Standard

Operator Sound Level (ISO 6396)

73dB(A)

Machine Sound Level (ISO 6395)

111dB(A)

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 (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.

Note (3)

Dimensions (Approximate)

Height - Top of Exhaust Stack

14.8ft

Centerline of Front Axle to Hitch

7.5ft

Length - With Chip Scoop on Ground

39.3ft

Ground to Center of Front Axle

3.2ft

Length - With Coal Scoop on Ground

39.3ft

Height - Top of Cab

13.7ft

Length - Front of Tire

28.4ft

Centerline of Rear Axle to Edge of Bumper

10.5ft

Height - Top of Air Cleaner

12.8ft

Height - Top of Hood

10.9ft

Ground Clearance

1.7ft

Wheel Base

14.9ft

Height - Edge of Dumped Scoop

5ft

Height - Edge of Retracted Scoop

7.4ft

Dump Angle at Full Lift Height

64 deg

Scoops

Coal Scoop Carry Capacity

30yd³

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 grade c

Coal Scoop Doze Capacity

60yd³

Chip Scoop Carry Capacity

35yd³

Chip Scoop Doze Capacity

70yd³

Hydraulic System - Lift/Dump/Tilt

Pilot Maximum Flow

13.7gal/min

Pilot Relief Valve Setting

580psi

Maximum Flow at 1,900 rpm

153gal/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

4206psi

Cylinders, Double Acting - Lift, Bore and Stroke

170.0 mm × 1107 mm (6.7 in × 43.6 in)

Pilot System

Variable displacement piston

Cylinders, Double Acting - Tilt, Bore and Stroke

152.4 mm × 953 mm (6.0 in × 37.5 in)

Hydraulic System - Steering

Maximum Flow

65.8gal/min

Total Steering Angle

86°

Steering Cycle Times - Low Idle

5.7s

Steering Cycle Times - High Idle

3.1s

Relief Valve Setting - Steering

3495psi

Steering System - Pump

Piston, variable displacement

Steering System - Circuit

Pilot, load sensing

Sound Performance - Tier 2 Equivalent/Stage II: Standard

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.

Machine Sound Level (ISO 6395)

112dB(A)

Operator Sound Level (ISO 6396)

81dB(A)

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.

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

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.

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.

Machine Sound Level (ISO 6395)

109dB(A)

Operator Sound Level (ISO 6396)

81dB(A)

Note (3)

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.

Standard Equipment:

Note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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, 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:

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 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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