Wheel Dozers
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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.
Descriere
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Engine
| 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
| 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
| Brakes | ISO 3450: 2011 |
Axles
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | ±13° |
Weights
| Operating Weight | 51290 kg |
Service Refill Capacities
| 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: – 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... |
| Note (2) | *Only applicable to Tier 4 Final/Stage IV equipped machines. |
Operating Specifications
| Coal Scoop Operating Weight | 51103 kg |
| Chip Scoop Operating Weight | 51290 kg |
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 | 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 |
| Wheel Base | 4550 mm |
| Height - Edge of Dumped Scoop | 1520 mm |
| Height - Edge of Retracted Scoop | 2250 mm |
| Dump Angle at Full Lift Height | 64 deg |
Scoops
| 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... |
| 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
| 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
| 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
| 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. |