834K Scoops for Coal & Woodchips

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.

Description

Engine Model Cat® C18 ACERT™
Net Power 370 kW
Bore 145 mm
Stroke 183 mm
Displacement 18.1 l
Emissions U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
Gross – SAE J1349 419 kW
Net – SAE J1349 370 kW
Peak Power Speed 1,500 rpm
Peak Torque – 1,300 rpm 2836 N·m
Rated Speed 1,900 rpm
Torque Rise 52%
Direct Drive – Forward 1 Lock-up disabled
Direct Drive – Forward 2 12.4 km/h
Direct Drive – Forward 3 22.1 km/h
Direct Drive – Forward 4 38.5 km/h
Direct Drive – Reverse 1 7.2 km/h
Direct Drive – Reverse 2 13 km/h
Direct Drive – Reverse 3 23 km/h
Forward – 1 6.8 km/h
Forward – 2 11.6 km/h
Forward – 3 20.3 km/h
Forward – 4 35.4 km/h
Reverse – 1 6.8 km/h
Reverse – 2 12.2 km/h
Reverse – 3 21.4 km/h
Transmission Type Cat planetary power shift
Brakes ISO 3450:2011
Front Fixed
Rear Trunnion
Oscillation Angle ±13°
Operating Weight 51290 kg
Cooling System 120 l
Crankcase 60 l
Transmission 120 l
Diesel Exhaust Fluid Tank* 33 l
Differential – Final Drives – Front 186 l
Differential – Final Drives – Rear 186 l
Fuel Tank 793 l
Hydraulic System – Tank Only 140 l
Hydraulic System Factory Fill 240 l
Chip Scoop Operating Weight 51290 kg
Coal Scoop Operating Weight 51103 kg
Machine Sound Level (ISO 6395) 111 dB(A)
Operator Sound Level (ISO 6396) 73 dB(A)
Machine Sound Level (ISO 6395) 109 dB(A)
Operator Sound Level (ISO 6396) 72 dB(A)
Centerline of Front Axle to Hitch 2275 mm
Centerline of Rear Axle to Edge of Bumper 3187 mm
Ground Clearance 531 mm
Ground to Center of Front Axle 978 mm
Height – Top of Air Cleaner 3895 mm
Height – Top of Cab 4184 mm
Height – Top of Exhaust Stack 4498 mm
Height – Top of Hood 3334 mm
Length – Front of Tire 8715 mm
Length – With Chip Scoop on Ground 11974 mm
Length – With Coal Scoop on Ground 11971 mm
Wheel Base 4550 mm
Coal Scoop Carry Capacity 22.9 m³
Cylinders, Double Acting – Left and Right Dump, Bore and Stroke 127 mm × 838 mm (5.0 in × 33.0 in)
Cylinders, Double Acting – Lift, Bore and Stroke 170.0 mm × 1107 mm (6.7 in × 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
Pilot Maximum Flow 52 l/min
Pilot Relief Valve Setting 4000 kPa
Pilot System Variable displacement piston
Relief Valve Setting – Lift/Tilt 29000 kPa
Maximum Flow 250 l/min
Relief Valve Setting – Steering 24100 kPa
Steering Cycle Times – High Idle 3.1 s
Steering Cycle Times – Low Idle 5.7 s
Steering System – Circuit Pilot, load sensing
Steering System – Pump Piston, variable displacement
Total Steering Angle 86°
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.
Dump Angle at Full Lift Height 64 deg
Height – Edge of Dumped Scoop 1520 mm
Height – Edge of Retracted Scoop 2250 mm
Cylinders, Double Acting – Tilt, Bore and Stroke 152.4 mm × 953 mm (6.0 in × 37.5 in)
Chip Scoop Carry Capacity 26.8 m³
Chip Scoop Doze Capacity 53.5 m³
Coal Scoop Doze Capacity 45.9 m³
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.
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.
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 ULSD and when the biodiesel feedstock meets ASTM D7467 specifications.
– 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.
Machine Sound Level (ISO 6395) 112 dB(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.
Operator Sound Level ( ISO 6396) 81 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.
– 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.
Operator Sound Level (ISO 6396) 81 dB(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.
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.
Note Travel speeds based on 35/65-R33 tire.

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