Wheel Dozers
Pret la cerere
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 | Cat® C18 |
| Net Power | 370 kW |
| Bore | 145 mm |
| Stroke | 183 mm |
| Displacement | 18.1 l |
| Torque Rise | 52 % |
| Rated Speed | 1900 r/min |
| Net - SAE J1349 | 370 kW |
| Peak Power Speed | 1500 r/min |
| Peak Torque - 1,300 rpm | 2836 N·m |
| Gross - SAE J1349 | 419 kW |
| Emissions | U.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent |
Transmission
| 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 |
| Forward - 3 | 20.3 km/h |
| Direct Drive - Forward 1 | Lock-up disabled |
| Transmission Type | Cat-Planetenlastschaltgetriebe |
| Forward - 2 | 11.6 km/h |
| Forward - 4 | 35.4 km/h |
| Reverse - 1 | 6.8 km/h |
| Forward - 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 |
Brakes
| Brakes | ISO 3450: 2011 |
Axles
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | ±13° |
Weights
| Operating Weight | 47750 kg |
Service Refill Capacities
| Cooling System | 120 l |
| Crankcase | 60 l |
| Transmission | 120 l |
| Differential - Final Drives - Front | 186 l |
| Differential - Final Drives - Rear | 186 l |
| Hydraulic System - Tank Only | 140 l |
| Diesel Exhaust Fluid Tank | 33 l |
| Hydraulic System Factory Fill | 240 l |
| Fuel Tank | 793 l |
Operating Specifications
| Blade Capacities | 7,9 – 22,2 m3 (10,3 – 29,0 yd3) |
| Operating Weight | 47750 kg |
Sound Performance
| Interior Sound Level - Standard | 72 dB(A) |
| Exterior Sound Level - Standard | 111 dB(A) |
| Exterior Sound Level - Suppression | 109 dB(A) |
| Interior Sound Level - Suppression | 71 dB(A) |
Dimensions
| Length - Front of Tire | 8715 mm |
| Centerline of Front Axle to Hitch | 2275 mm |
| Length - Straight Blade on Ground | 9927 mm |
| Wheel Base | 4550 mm |
| Ground Clearance | 531 mm |
| Centerline of Rear Axle to Edge of Bumper | 3187 mm |
| Height - Top of Exhaust Stack | 4835 mm |
| Height - Top of Hood | 3334 mm |
| Ground Clearance - Bumper | 933 mm |
| Length - Universal Blade on Ground | 10470 mm |
| Height - Top of Cab | 4184 mm |
| Height - Top of Air Cleaner | 3895 mm |
Blades
| Blade Capacities | 7,9-22,2 m3 (10,3-29,0 yd.3) |
Hydraulic System - Lift/Tilt
| Pilot Maximum Flow | 52 l/min |
| Relief Valve Setting - Lift/Tilt | 32000 kPa |
| Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke | 140 mm × 230 mm (5.5 in × 9.1 in) |
| Pilot Relief Valve Setting | 4000 kPa |
| Maximum Flow at 1,900 rpm | 582 l/min |
| Lift/Tilt System - Circuit | Pilot operated LS valve with EH |
| Lift/Tilt System | Variable displacement piston |
| Cylinders, Double Acting - Lift, Bore and Stroke | 139.75 mm × 1021 mm (5.5 in × 40.2 in) |
| Pilot System | Variable displacement piston |
Hydraulic System - Steering
| Maximum Flow | 250 l/min |
| Steering System - Pump | Piston, variable displacement |
| Relief Valve Setting - Steering | 24100 kPa |
| Steering Cycle Times - High Idle | 3.1 s |
| Steering Cycle Times - Low Idle | 5.7 s |
| Steering System - Circuit | Pilot, load sensing |
| Total Steering Angle | 86 ° |