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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.
| 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 |
| 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 | ISO 3450: 2011 |
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | ±13° |
| Operating Weight | 112838 lb |
| 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:<br>– 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.<br>– 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. |
| Coal Scoop Operating Weight | 112428 lb |
| Chip Scoop Operating Weight | 112838 lb |
| 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.<br>– 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) | 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) | The operator sound pressure level was measured according to the test procedures and conditions specifi ed in ISO 6396:2008. – The measurement was conducted at 70 percent of the maximum engine cooling fan speed. |
| 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. |
| 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 |
| 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 |
| 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) |
| 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 |
| 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. |
| 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.<br>– 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 (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. |
| Machine Sound Level (ISO 6395) | 109 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. |
| 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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