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.

Informações Tećnicas

• Net Power: 370 kW
• Operating Weight: 51290 kg

Mais informações

Engine

• Engine Model: Cat® C18
• Net Power: 370 kW / 496 HP
• Bore: 145 mm / 5.7 in
• Stroke: 183 mm / 7.2 in
• Displacement: 18.1 l / 1105 in³
• Emissions: U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
• Gross - SAE J1349: 419 kW / 562 HP
• Net - SAE J1349: 370 kW / 496 HP
• Peak Power Speed: 1,500 rpm
• Peak Torque - 1,300 rpm: 2836 N·m / 2092 ft·lbf
• Rated Speed: 1,900 rpm
• Torque Rise: 52%

Transmission

• Direct Drive - Forward 1: Lock-up disabled
• Direct Drive - Forward 2: 12.4 km/h / 7.7 mile/h
• Direct Drive - Forward 3: 22.1 km/h / 13.7 mile/h
• Direct Drive - Forward 4: 38.5 km/h / 23.9 mile/h
• Direct Drive - Reverse 1: 7.2 km/h / 4.5 mile/h
• Direct Drive - Reverse 2: 13 km/h / 8.1 mile/h
• Direct Drive - Reverse 3: 23 km/h / 14.3 mile/h
• Forward - 1: 6.8 km/h / 4.2 mile/h
• Forward - 2: 11.6 km/h / 7.2 mile/h
• Forward - 3: 20.3 km/h / 12.6 mile/h
• Forward - 4: 35.4 km/h / 22 mile/h
• Reverse - 1: 6.8 km/h / 4.2 mile/h
• Reverse - 2: 12.2 km/h / 7.6 mile/h
• Reverse - 3: 21.4 km/h / 13.3 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: 51290 kg / 112838 lb

Service Refill Capacities

• Cooling System: 120 l / 31.7 gal (US)
• Crankcase: 60 l / 15.9 gal (US)
• Transmission: 120 l / 31.7 gal (US)
• Diesel Exhaust Fluid Tank*: 33 l / 8.7 gal (US)
• Differential - Final Drives - Front: 186 l / 49.1 gal (US)
• Differential - Final Drives - Rear: 186 l / 49.1 gal (US)
• Fuel Tank: 793 l / 209.5 gal (US)
• Hydraulic System - Tank Only: 140 l / 37 gal (US)
• Hydraulic System Factory Fill: 240 l / 63.4 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

• Chip Scoop Operating Weight: 51290 kg / 112838 lb
• Coal Scoop Operating Weight: 51103 kg / 112428 lb

Sound Performance - Tier 4 Final/Stage IV - Standard

• Machine Sound Level (ISO 6395): 111 dB(A) / 111 dB(A)
• Operator Sound Level (ISO 6396): 73 dB(A) / 73 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.

Sound Performance - Tier 4 Final/Stage IV: Suppression

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

Dimensions (Approximate)

• Centerline of Front Axle to Hitch: 2275 mm / 7.5 ft
• Centerline of Rear Axle to Edge of Bumper: 3187 mm / 10.5 ft
• Ground Clearance: 531 mm / 1.7 ft
• Ground to Center of Front Axle: 978 mm / 3.2 ft
• Height - Top of Air Cleaner: 3895 mm / 12.8 ft
• Height - Top of Cab: 4184 mm / 13.7 ft
• Height - Top of Exhaust Stack: 4498 mm / 14.8 ft
• Height - Top of Hood: 3334 mm / 10.9 ft
• Length - Front of Tire: 8715 mm / 28.4 ft
• Length - With Chip Scoop on Ground: 11974 mm / 39.3 ft
• Length - With Coal Scoop on Ground: 11971 mm / 39.3 ft
• Wheel Base: 4550 mm / 14.9 ft
• Dump Angle at Full Lift Height: 64 deg
• Height - Edge of Dumped Scoop: 1520 mm / 5 ft
• Height - Edge of Retracted Scoop: 2250 mm / 7.4 ft

Scoops

• Coal Scoop Carry Capacity: 22.9 m³ / 30 yd³
• Chip Scoop Carry Capacity: 26.8 m³ / 35 yd³
• Chip Scoop Doze Capacity: 53.5 m³ / 70 yd³
• Coal Scoop Doze Capacity: 45.9 m³ / 60 yd³
• 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.

Hydraulic System - Lift/Dump/Tilt

• 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 / 153 gal/min
• Pilot Maximum Flow: 52 l/min / 13.7 gal/min
• Pilot Relief Valve Setting: 4000 kPa / 580 psi
• Pilot System: Variable displacement piston
• Relief Valve Setting - Lift/Tilt: 29000 kPa / 4206 psi
• Cylinders, Double Acting - Tilt, Bore and Stroke: 152.4 mm × 953 mm (6.0 in × 37.5 in)

Hydraulic System - Steering

• Maximum Flow: 250 l/min / 65.8 gal/min
• Relief Valve Setting - Steering: 24100 kPa / 3495 psi
• Steering Cycle Times - High Idle: 3.1 s / 3.1 s
• Steering Cycle Times - Low Idle: 5.7 s / 5.7 s
• Steering System - Circuit: Pilot, load sensing
• Steering System - Pump: Piston, variable displacement
• Total Steering Angle: 86°

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.

Sound Performance - Tier 2 Equivalent/Stage II: Standard

• Machine Sound Level (ISO 6395): 112 dB(A) / 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) / 81 dB(A)
• Operator Sound Level (ISO 6396): 81 dB(A) / 81 dB(A)

Sound Performance - Tier 2 Equivalent/Stage II: Suppression

• Machine Sound Level (ISO 6395): 109 dB(A) / 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) / 81 dB(A)