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shantui bulldozer SD20 price cheep price
Shantui bulldozers are known as "Iron Oxen," and the SD20, inheriting this legacy, further enhances reliability design:
Integrated frame welding: Utilizing high-strength Q690 steel plates, overall stress distribution is optimized, increasing torsional stiffness by 15%; Reinforced final drive: Planetary gear structure, oil bath lubrication, with a lifespan exceeding 10,000 hours; Optimized track system: Track rollers adopt a double-seal floating ring structure, dustproof and waterproof, suitable for high-dust and muddy environments; Redundant hydraulic system design: Main pumps and control valves are sourced from leading domestic brands (such as Hengli and Bosch Rexroth components), ensuring stable pressure and a low failure rate; Upgraded anti-corrosion process: Key structural components undergo triple treatment including shot blasting, electrophoretic primer, and polyurethane topcoat, with a salt spray resistance test exceeding 500 hours.
Extensive user feedback: Under continuous high-intensity operation, the SD20's average annual downtime due to failure is less than 30 hours, far exceeding the industry average.
The cab is constructed entirely of high-strength alloy steel welded structure, and has passed national mandatory ROPS (Rollover Protection Structure) and FOPS (Falling Object Protection Structure) certifications. It can withstand static load impacts of over 5 tons, effectively ensuring operator safety in extreme conditions such as rollovers or falling objects.
Fully Enclosed Shock-Absorbing Cab
Employs a three-stage shock absorption system: chassis rubber buffer blocks + seat suspension + independent cab shock absorber brackets, effectively isolating track vibrations and impacts, reducing fatigue during long-term operation.
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