834K 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 | 47750 kg |
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| Operating Weight | 47750 kg |
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| Blade Capacities | 7,9 – 22,2 m3 (10,3 – 29,0 yd3) |
| Net Power | 370 kW |
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| Engine Model | Cat® C18 |
| Torque Rise | 52 % |
| Bore | 145 mm |
| Stroke | 183 mm |
| Displacement | 18.1 l |
| Rated Speed | 1900 r/min |
| Emissions | U.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent |
| Gross - SAE J1349 | 419 kW |
| Net - SAE J1349 | 370 kW |
| Peak Power Speed | 1500 r/min |
| 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 |
| Transmission Type | Cat planetary power shift |
| Front | Fixed |
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| Oscillation Angle | ±13° |
| Rear | Trunnion |
| Lift/Tilt System - Circuit | Pilot operated LS valve with EH |
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| Lift/Tilt System | Variable displacement piston |
| Relief Valve Setting - Lift/Tilt | 32000 kPa |
| Pilot System | Variable displacement piston |
| Pilot Relief Valve Setting | 4000 kPa |
| Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke | 140 mm × 230 mm (5.5 in × 9.1 in) |
| Cylinders, Double Acting - Lift, Bore and Stroke | 139.75 mm × 1021 mm (5.5 in × 40.2 in) |
| Maximum Flow at 1,900 rpm | 582 l/min |
| Pilot Maximum Flow | 52 l/min |
| Height - Top of Cab | 4184 mm |
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| Wheel Base | 4550 mm |
| Centerline of Front Axle to Hitch | 2275 mm |
| Centerline of Rear Axle to Edge of Bumper | 3187 mm |
| Ground Clearance | 531 mm |
| Ground Clearance - Bumper | 933 mm |
| Height - Top of Air Cleaner | 3895 mm |
| Height - Top of Exhaust Stack | 4835 mm |
| Height - Top of Hood | 3334 mm |
| Length - Front of Tire | 8715 mm |
| Length - Straight Blade on Ground | 9927 mm |
| Length - Universal Blade on Ground | 10470 mm |
| Blade Capacities | 7,9-22,2 m3 (10,3-29,0 yd.3) |
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| Relief Valve Setting - Steering | 24100 kPa |
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| 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 |
| Total Steering Angle | 86 ° |
| Fuel Tank | 793 l |
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| 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 |
| Diesel Exhaust Fluid Tank | 33 l |
| Brakes | ISO 3450: 2011 |
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| Exterior Sound Level - Standard | 111 dB(A) |
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| Exterior Sound Level - Suppression | 109 dB(A) |
| Interior Sound Level - Standard | 72 dB(A) |
| Interior Sound Level - Suppression | 71 dB(A) |
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