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834K Scoops Wheel Dozer

834K Scoops Wheel Dozer

At a Glance

Engine Model
Cat® C18 ACERT™
Operating Weight
112838 lb
Net Power
496 HP
Bore
5.7 in
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Overview

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.

Engine

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Engine Model Cat® C18 ACERT™
Net Power 496HP
Bore 5.7in
Stroke 7.2in
Displacement 1105in³
Torque Rise 52%
Rated Speed 1,900 rpm
Peak Torque - 1,300 rpm 2092ft·lbf
Peak Power Speed 1,500 rpm
Net - SAE J1349 496HP
Gross - SAE J1349 562HP
Emissions U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent

Weights

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Operating Weight 112838lb

Service Refill Capacities

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Cooling System 31.7gal (US)
Crankcase 15.9gal (US)
Transmission 31.7gal (US)
Note (2) *Only applicable to Tier 4 Final/Stage IV equipped machines.
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
Hydraulic System Factory Fill 63.4gal (US)
Hydraulic System - Tank Only 37gal (US)
Fuel Tank 209.5gal (US)
Differential - Final Drives - Rear 49.1gal (US)
Differential - Final Drives - Front 49.1gal (US)
Diesel Exhaust Fluid Tank* 8.7gal (US)

Axles

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Front Fixed
Rear Trunnion
Oscillation Angle ±13°

Brakes

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Brakes ISO 3450:2011

Transmission

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Note Travel speeds based on 35/65-R33 tire.
Transmission Type Cat planetary power shift
Reverse - 3 13.3mile/h
Reverse - 2 7.6mile/h
Reverse - 1 4.2mile/h
Forward - 4 22mile/h
Forward - 3 12.6mile/h
Forward - 2 7.2mile/h
Forward - 1 4.2mile/h
Direct Drive - Reverse 3 14.3mile/h
Direct Drive - Reverse 2 8.1mile/h
Direct Drive - Reverse 1 4.5mile/h
Direct Drive - Forward 4 23.9mile/h
Direct Drive - Forward 3 13.7mile/h
Direct Drive - Forward 2 7.7mile/h
Direct Drive - Forward 1 Lock-up disabled

Sound Performance - Tier 4 Final/Stage IV - Standard

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Operator Sound Level (ISO 6396) 73dB(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.
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) 111dB(A)

Hydraulic System - Steering

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Steering System - Circuit Pilot, load sensing
Steering Cycle Times - Low Idle 5.7s
Steering Cycle Times - High Idle 3.1s
Relief Valve Setting - Steering 3495psi
Maximum Flow 65.8gal/min
Total Steering Angle 86°
Steering System - Pump Piston, variable displacement

Sound Performance - Tier 4 Final/Stage IV: Suppression

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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.
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.
Operator Sound Level (ISO 6396) 72dB(A)
Machine Sound Level (ISO 6395) 109dB(A)

Sound Performance - Tier 2 Equivalent/Stage II: Suppression

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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.
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) 109dB(A)

Sound Performance - Tier 2 Equivalent/Stage II: Standard

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Operator Sound Level ( ISO 6396) 81dB(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.
Machine Sound Level (ISO 6395) 112dB(A)

Scoops

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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 Doze Capacity 70yd³
Chip Scoop Carry Capacity 35yd³
Coal Scoop Carry Capacity 30yd³

Hydraulic System - Lift/Dump/Tilt

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Cylinders, Double Acting - Tilt, Bore and Stroke 152.4 mm × 953 mm (6.0 in × 37.5 in)
Relief Valve Setting - Lift/Tilt 4206psi
Pilot System Variable displacement piston
Pilot Relief Valve Setting 580psi
Pilot Maximum Flow 13.7gal/min
Maximum Flow at 1,900 rpm 153gal/min
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Lift/Tilt System Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke 170.0 mm × 1107 mm (6.7 in × 43.6 in)
Cylinders, Double Acting - Left and Right Dump, Bore and Stroke 127 mm × 838 mm (5.0 in × 33.0 in)

Dimensions (Approximate)

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Height - Edge of Retracted Scoop 7.4ft
Height - Edge of Dumped Scoop 5ft
Dump Angle at Full Lift Height 64 deg
Wheel Base 14.9ft
Length - With Coal Scoop on Ground 39.3ft
Length - With Chip Scoop on Ground 39.3ft
Length - Front of Tire 28.4ft
Height - Top of Hood 10.9ft
Height - Top of Exhaust Stack 14.8ft
Height - Top of Cab 13.7ft
Height - Top of Air Cleaner 12.8ft
Ground to Center of Front Axle 3.2ft
Ground Clearance 1.7ft
Centerline of Rear Axle to Edge of Bumper 10.5ft
Centerline of Front Axle to Hitch 7.5ft

Air Conditioning System

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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.

Operating Specifications

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Coal Scoop Operating Weight 112428lb
Chip Scoop Operating Weight 112838lb