To maintain the performance of Shantui machinery—especially the heavy-duty Cummins-powered dozers and excavators—using high-quality genuine parts and specific lubricants is critical. Below is a detailed overview of the undercarriage components, hydraulic systems, and recommended lubrication products like Sinopec and Total.

Undercarriage & Rollers

Shantui is a global leader in undercarriage manufacturing, producing components that are used not only in their own machines but also as OEM parts for other major international brands.

  • Track & Carrier Rollers: These are built with high-strength forged steel and undergo advanced heat treatment to ensure wear resistance. Shantui rollers feature floating seals to prevent oil leakage and keep contaminants out, significantly extending service life in muddy or sandy conditions.

  • Track Shoes: For the XL (Extra Long) and B3 series dozers, Shantui provides various track shoe widths to optimize ground pressure.

  • Idlers & Sprockets: These components are designed to distribute the machine's weight evenly and maintain proper track tension, reducing vibration and wear on the Cummins engine and transmission.

Hydraulic Pumps

The "heart" of the hydraulic system in Shantui excavators (like the SE350 to SE470) and the DH24 B3 XL hydrostatic dozer depends on precision-engineered pumps.

  • Main Hydraulic Pumps: Shantui frequently utilizes variable displacement duplex plunger pumps (often from world-class brands like Kawasaki or Linde). These pumps provide the high pressure needed for massive breakout forces while communicating with the Cummins engine's ECU to optimize fuel efficiency.

  • Specialized Pumps: In the SD series dozers, specialized steering pumps and working pumps ensure that the blade response is fast and powerful even under full load.

Engine Oils & Lubricants

Proper lubrication is essential for the high-torque, turbocharged Cummins engines used in your fleet.

Sinopec & Total Engine Oils

  • Sinopec Tulux Series (e.g., 15W-40 CJ-4/CK-4): Sinopec is often the factory-recommended partner for Shantui. Their heavy-duty diesel engine oils are designed to handle high soot levels and provide superior oxidation stability, which is vital for the Cummins NTA855 and QSM11 engines.

  • Total Rubia Series: Total lubricants are a premium alternative frequently used in international fleets. Total Rubia Optima or TIR oils meet the strict Cummins CES 20086/20081 specifications, ensuring that the engine's after-treatment systems (like DPF or SCR) remain clean and functional.

Sinopec Grease

  • Sinopec Lithium/Golden Grease: Used for pins, bushings, and the "articulation points" of Payloaders and Graders.

  • Extreme Pressure (EP-2) Grease: This is the standard for the undercarriage's moving parts and the swing bearings of excavators. It offers excellent water washout resistance, ensuring that the grease stays in the joint even during heavy rain or underwater work.

Summary of Maintenance Consumables:

ComponentRecommended ProductBenefitCummins EngineSinopec Tulux / Total Rubia (15W-40)Prevents piston deposits and wear.Hydraulic SystemShantui Genuine Hydraulic Oil (ISO VG 46)Ensures smooth pump and valve operation.Pins & BushingsSinopec EP-2 Lithium GreaseHigh load-bearing and rust protection.

Final DrivesHeavy-duty Gear Oil (SAE 80W-90)Protects planetary gears under high torque.

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