Caterpillar SEM822D Track Type Tractor
Advantages
Efficient: The electronically controlled hydrostatic drive system and multi functional joystick provide high levels of performance and maneuverability
Comfortable Operation: The cabin is ergonomically designed for increased operator comfort and visibility. The advanced monitoring system tracks machine operating conditions and keeps the operator informed of all vital machines functions
Reliable: The proven hydrostat design along with world class pump and motors provide a highly reliable tractor. The undercarriage components are designed for longer life versus the leading competitor
Serviceability: The SEM tractors are designed for easy access to reduce overall.
Cat ® Product Link™
- Cat ® Product Link™ will support your business, and accurately convey information of the equipment to relevant personnel in a timely and effective manner for your better equipment management
Hydrostatic Drive System
- Upgraded hydrostatic system not only leverages Caterpillar automatic, dual path, hydro-static drive with electronic control technology of the third generation TTT, but also increas-es efficiency and reliability
- Adopt Rexroth German new generation drive pump to combine control valve, trackmotor, simplified hose line design, continue to increase the reliability
- Caterpillar high pressure hose provides reliability and durability. Caterpillar 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
Undercarriage
- Undercarriage is provided by China industry expert ensures high reliability and resistance to wear
- Carrier rollers track rollers and idle rollers are all maintenance free
- Planetary final drive design delivers increased torque ratio for higher transmission efficiency and lower maintenance cost
- Durable final drive bearings and multiple wet discbrakes provide reliability, reduce system heat and extend overall life
Structures
- Machine structures are analyzed using Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to identify and protect high stress areas
- Advanced structure welding technique, relieving welding stress
Modular Radiator
- New advanced cooling system designed to meet -40°C to +50°C ambient temperatures capability
- Modular designed radiator, easy to maintain remove and repair
- Radiator grill provides better heatdissipation, easy access or maintenance
Maintenance
- Electronic Control Module (ECM) fault diagnosis system,automatic diagnosis of eight key parameters
- Monitoring system provides three levels of alarm,to indicate fault diagnosis
- Hydrostatic system has longer service interval (2000 hrs),reduces maintenance time by 50%
- Implement valve mounted outside of hydraulic tank provides easy access to check and service
Model | SEM 822 | SEM 822LGP |
Operating Weight | 23680kg | 25400kg |
Ground Pressure | 70 kPa | 39 kPa |
Ground Clearance | 394 mm | 394 mm |
Max. Slope | 30° | 30° |
Engine |
Flywheel Power | 162Kw/220Hp | 162Kw/220Hp |
Work Tool |
Blade Type | SU | S |
Blade Capacity | 6.4 m³(U 7.5 m³) | 5.5 m³ |
Blade Width | 3720 mm(U 4015 mm) | 4617 mm |
Blade Height | 1511 mm | 1345 mm |
Max.Blade Lift Ground Clearance | 1140mm | 1165mm |
Max. Blade Digging Depth | 563mm | 600mm |
Max.Output Rimpull | 350KN | 350KN |
Maximum Clearance Under Tip | 640mm | N/A |
Maximum Digging Depth Of Ripper | 650mm | N/A |
Powertrain |
Type | |
Travel Speed-F/R | 0-11.5km/hr(Infinitely Variable Speed Control) |
Streeing & Brake | |
Minimum Streeing Radius | 4225mm | 4300mm |
Undercarrige |
Track Shoe Width | 560mm | 915mm |
Track Shoe Quantity | 40 piece | 45 piece |
Length Of Track On Ground | 2948mm | 3488mm |
Track Gauge | 2000mm | 2340mm |
Track Roller Quantity | 7/Side | 8/Side |
Carrier Roller Quantity | 2/Side | 2/Side |
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