Sem822D 220HP 24ton Bulldozer with 6.4m3 Blade 7.5m3 Su Blade

I. Product Overview
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 maintenance time. The machines electronic control module allows for quick troubleshooting.

II. Specifications

III. Deatiled Images

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

IV. Our Company