834K Scoops for Coal & Woodchips Wheel Dozers

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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The Cat® 834K Scoops for Coal & Woodchips is built for reliable performance in the dozers range, backed by Al-Bahar's regional service and support network.

Engine Model: C18 Cat®
Operating Weight: 112838 lb
Net Power: 496 hp
Bore: 5.7 in

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Specifications
Features
Standard Equipment

Engine specifications
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 specifications
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
Note	Travel speeds based on 35/65-R33 tire.

Brakes specifications
Brakes	ISO 3450: 2011

Axles specifications
Front	Fixed
Rear	Trunnion
Oscillation Angle	±13°

Weights specifications
Operating Weight	51290 kg

Service Refill Capacities specifications
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
Note (1)	All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:<br>– 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.<br>– 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.

Operating Specifications specifications
Coal Scoop Operating Weight	51103 kg
Chip Scoop Operating Weight	51290 kg

Sound Performance - Tier 4 Final/Stage IV: Suppression specifications
Operator Sound Level (ISO 6396)	72 dB(A)
Machine Sound Level (ISO 6395)	109 dB(A)
Note (1)	The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.<br>– 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 specifications
Operator Sound Level (ISO 6396)	73 dB(A)
Machine Sound Level (ISO 6395)	111 dB(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)	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.

Dimensions (Approximate) specifications
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
Height - Edge of Dumped Scoop	1520 mm
Height - Edge of Retracted Scoop	2250 mm
Dump Angle at Full Lift Height	64 deg

Scoops specifications
Coal Scoop Carry Capacity	22.9 m³
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 conditions and keep your operation safe.
Coal Scoop Doze Capacity	45.9 m³
Chip Scoop Carry Capacity	26.8 m³
Chip Scoop Doze Capacity	53.5 m³

Hydraulic System - Lift/Dump/Tilt specifications
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
Cylinders, Double Acting - Tilt, Bore and Stroke	152.4 mm × 953 mm (6.0 in × 37.5 in)

Hydraulic System - Steering specifications
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

Sound Performance - Tier 2 Equivalent/Stage II: Standard specifications
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)	112 dB(A)
Operator Sound Level (ISO 6396)	81 dB(A)
Note (3)	The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.<br>– 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 specifications
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)	109 dB(A)
Operator Sound Level (ISO 6396)	81 dB(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.

Air Conditioning System specifications
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.

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.

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)

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

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

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

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)

OPERATOR ENVIRONMENT

Cab precleaner
AM/FM/CD/MP3 radio
Satellite Sirius radio with Bluetooth
LED warning strobe
CB radio ready

MISCELLANEOUS ATTACHMENTS

Front and rear roading fenders
Fast fill fuel system (Shaw-Aero)
Cat Detect
Halogen and HID lights

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