New CAT Equipment

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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Product Specs

Engine

Engine Model C18 Cat®
Net Power 496 HP
Bore 5.7 in
Stroke 7.2 in
Displacement 1105 in³
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 496 HP
Peak Power Speed 1500/min
Peak Torque - 1,300 rpm 2092 ft·lbf
Gross - SAE J1349 562 HP

Transmission

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

Brakes

Brakes ISO 3450: 2011

Axles

Front Fixed
Rear Trunnion
Oscillation Angle ±13°

Weights

Operating Weight 112838 lb

Service Refill Capacities

Cooling System 31.7 gal (US)
Crankcase 15.9 gal (US)
Transmission 31.7 gal (US)
Hydraulic System - Tank Only 37 gal (US)
Differential - Final Drives - Rear 49.1 gal (US)
Differential - Final Drives - Front 49.1 gal (US)
Hydraulic System Factory Fill 63.4 gal (US)
Diesel Exhaust Fluid Tank* 8.7 gal (US)
Fuel Tank 209.5 gal (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 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.

Operating Specifications

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

Sound Performance - Tier 4 Final/Stage IV: Suppression

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.
– 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) Der Schallleistungspegel der Maschine wurde nach den Prüfverfahren und -bedingungen gemessen, wie sie in ISO 6395:2008 festgelegt sind.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.

Sound Performance - Tier 4 Final/Stage IV - Standard

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) Der Schalldruckpegel am Fahrerohr wurde nach den in ISO 6396:2008 vorgegebenen Prüfverfahren und -bedingungen gemessen.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.
Note (3) Der Schallleistungspegel der Maschine wurde nach den Prüfverfahren und -bedingungen gemessen, wie sie in ISO 6395:2008 festgelegt sind.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.

Dimensions (Approximate)

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

Scoops

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

Hydraulic System - Lift/Dump/Tilt

Pilot Maximum Flow 13.7 gal/min
Pilot Relief Valve Setting 580 psi
Maximum Flow at 1,900 rpm 153 gal/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 4206 psi
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 65.8 gal/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 3495 psi
Steering System - Pump Piston, variable displacement
Steering System - Circuit Pilot, load sensing

Sound Performance - Tier 2 Equivalent/Stage II: Standard

Note (1) Der Schalldruckpegel am Fahrerohr wurde nach den in ISO 6396:2008 vorgegebenen Prüfverfahren und -bedingungen gemessen.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.
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.
– 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) Der Schalldruckpegel am Fahrerohr wurde nach den in ISO 6396:2008 vorgegebenen Prüfverfahren und -bedingungen gemessen.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.
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) Der Schallleistungspegel der Maschine wurde nach den Prüfverfahren und -bedingungen gemessen, wie sie in ISO 6395:2008 festgelegt sind.
– Die Messung wurde bei 70 Prozent der maximalen Drehzahl des Motorlüfters durchgeführt.

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.