220hp Crawler Bulldozer 822D With Hydrostatic Drive System and Joystick
220hp crawler bulldozer 822D with hydrostatic drive system and joystick
S E M822 / S E M822D / S E M822D LGP / S E M822D CH / S E M822D DS / S E M822D WH / S E M822D FR bulldozer series
822D specification:
Hydrostatic Drive System
Upgraded hydrostatic system not only leverages Cater-pillar automatic, dual path, hydro-static drive with electronic control technology of the third generation TTT, but also increas-es efficiency and reliability
Adopt Rex-roth German new generation drive pump to combine control valve, trackmotor, simplified hose line design, continue to increase the reliability
Ca-ter-pillar high pressure hose provides reliability and durability. Ca-ter-pillar control technology provides accurate control and high transmission efficiency
Integrated the hydrostatic oil tank and implement hydraulic oil tank to improve filtratedprecision and cooling capability of hydraulic system, increasing reliability and reducingmaintenance cost
Maintenance costs are reduced by 60% when compared competitors with torque converter and transmission and rear axle
Counter rotation, power turn and infinitely variable speed save lots of time, increasing working efficiency
Comfortable Operation
Counter rotation — Tracks counter rotate to provide best in class maneuverability
Powered turn — Machine maintains full power through turns to increase productivity
Cruise control — Operators can retain previous speed settings which makes operation easily
Multi-function joystick allows for counter-rotation, powered turn and cruise control
Pilot joystick control provides comfortable precise blade operation
Semi-Universal Blade
SU blade combines the excellent penetration of the S blade and the high production capacity of the U blade
Designed for superior load retention and penetration in tightly packed materials
L-shaped push arms bring the blade closer to the machine, providing excellent maneuverability, balance and blade penetration
Blades feature a strong box section design, made from high tensile strength steel to stand up to the most severe applications
| Model | ||
|---|---|---|
| Operating Weigh t | 23,680 kg | |
| Ground Pressure | 70 kPa | |
| Ground Clearance | 394 mm | |
| Max.Slope | 30° | |
| Engine | ||
| Model | WD10G178E26 | |
| Rated Power | 183 kW / 250 hp | |
| Working Tool | ||
| Blade Type | SU | |
| Blade Capacity | 6.4 m³ (U 7.5 m³ ) | |
| Blade Width | 3,720 mm U 4,015 mm | |
| Blade height | 1,511 mm U 1,420 mm | |
| Max. Blade Digging Depth | 563 mm | |
| Max. Blade Lift Ground Clearance | 1,140 mm | |
| Max.Output Rimpull | 350 kN | |
| Maximum Digging Depth Of Ripper | 650 mm | |
| Maximum Clearance Under Tip | 640 mm | |
| Powertrain | ||
| Type | Electronic control, Dual-path, Hydrostatic Drive | |
| Travel Speed- F/R | 0 - 11.5 km/hr (Infi nitely Variable Speed Control) | |
| Steering & Brake | Hydrostatic Steering, Wet, Multiple-Disc Brakes | |
| Minimum Streeing Radius | 4,225 mm (Counter-rotated avaliable) | |
| Undercarrige | ||
| Track Shoe Width | 560 mm | |
| Track Shoe Quantity | 40 piece | |
| Length Of Track On Ground | 2,948 mm | |
| Track Gauge | 2,000 mm | |
| Track Roller Quantity | 7/Side | |
| Carrier Roller Quantity | 2/Side | |
| Hydraulic System | ||
| Type | Pilot Control | |
| Implement Hydraulic System Pressure | 19 Mpa | |
| Service Refi ll Capacities | ||
| Cooling system | 45 L | |
| Hydrostatic Oil | 62 L | |
| Implement Oil | 110 L | |
| Fuel | 460 L | |
| Pivot Shaft Case (each side) | 0.8 L | |

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