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.
| Operating Weight | 51290 kg |
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| Net Power | 370 kW |
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| Engine Model | C18 Cat® |
| Rated Speed | 1,900/min |
| Peak Power Speed | 1500/min |
| Torque Rise | 52% |
| 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 Torque - 1,300 rpm | 2836 N·m |
| Forward - 1 | 6.8 km/h |
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| 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 |
| Direct Drive - Forward 4 | 38.5 km/h |
| 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 - Reverse 1 | 7.2 km/h |
| Direct Drive - Reverse 2 | 13 km/h |
| Direct Drive - Reverse 3 | 23 km/h |
| Note | Travel speeds based on 35/65-R33 tire. |
| Transmission Type | Cat planetary power shift |
| Front | Fixed |
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| Oscillation Angle | ±13° |
| Rear | Trunnion |
| Relief Valve Setting - Steering | 24100 kPa |
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| Total Steering Angle | 86° |
| Steering Cycle Times - High Idle | 3.1 s |
| Steering Cycle Times - Low Idle | 5.7 s |
| Maximum Flow | 250 l/min |
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Diesel Exhaust Fluid Tank* | 33 l |
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| Fuel Tank | 793 l |
| Cooling System | 120 l |
| Transmission | 120 l |
| Differential - Final Drives - Front | 186 l |
| Differential - Final Drives - Rear | 186 l |
| Hydraulic System - Tank Only | 140 l |
| Crankcase | 60 l |
| Hydraulic System Factory Fill | 240 l |
| 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 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. |
| Centerline of Front Axle to Hitch | 2275 mm |
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| Centerline of Rear Axle to Edge of Bumper | 3187 mm |
| Height - Top of Hood | 3334 mm |
| Wheel Base | 4550 mm |
| Dump Angle at Full Lift Height | 64 deg |
| Ground to Center of Front Axle | 978 mm |
| Height - Edge of Dumped Scoop | 1520 mm |
| Height - Edge of Retracted Scoop | 2250 mm |
| Height - Top of Air Cleaner | 3895 mm |
| Height - Top of Cab | 4184 mm |
| Height - Top of Exhaust Stack | 4498 mm |
| Length - Front of Tire | 8715 mm |
| Length - With Chip Scoop on Ground | 11974 mm |
| Length - With Coal Scoop on Ground | 11971 mm |
| Ground Clearance | 531 mm |
| Brakes | ISO 3450: 2011 |
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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. |
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| Cylinders, Double Acting - Left and Right Dump, Bore and Stroke | 127 mm × 838 mm (5.0 in × 33.0 in) |
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| Cylinders, Double Acting - Lift, Bore and Stroke | 170.0 mm × 1107 mm (6.7 in × 43.6 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 152.4 mm × 953 mm (6.0 in × 37.5 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 |
| Chip Scoop Operating Weight | 51290 kg |
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| Coal Scoop Operating Weight | 51103 kg |
| Chip Scoop Carry Capacity | 26.8 m³ |
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| Chip Scoop Doze Capacity | 53.5 m³ |
| Coal Scoop Carry Capacity | 22.9 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. |
| Machine Sound Level (ISO 6395) | 112 dB(A) |
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| 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) |
| Machine Sound Level (ISO 6395) | 111 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) | 73 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) | 72 dB(A) |
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