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The Caterpillar 146-5216 Strainer Screen is a high-efficiency filtration component designed for air, electrical, and air-starting systems. It captures fine particulates, dust, and debris from the air intake drawn into starting motors and compressed air lines, preventing mechanical overheating, internal abrasion, and early component failure.
1. Core Dimensions & Filtration Specs
- Mesh Rating: 300 Mesh (High-density preliminary filtration matrix).
- Screen Geometry: Cylindrical inner strainer element reinforced by a perforated outer shell.
- System Placement: Installs internally within inline Y-strainer body configurations (specifically pairs with the 146-5215 Y-Strainer assembly).
2. Material & Operational Specs
- Filtration Media Material: Premium 300-grade stainless steel wire woven mesh.
- Reinforcement Core: Perforated high-strength stainless steel backup screen to resist high differential pressures.
- Structural Capability: Engineered to operate securely within high-pressure air systems up to a maximum operating pressure of 640 psi (4,410 kPa).
- Maintenance Capability: Fully cleanable and reusable under standard service validation cycles.
3. Equipment & Engine Compatibility
This strainer element protects heavy-duty starting motor networks, pneumatic delivery systems, and air-assist groups across heavy machinery lines:
- Excavator Platforms: Standard filtration component found in pneumatic or electrical support systems of Caterpillar 320D and 330D heavy crawler excavators.
- Heavy Machinery Systems: Integrated across heavy construction equipment, industrial power generators, and large air-starting configurations utilizing inline air filters.
4. Part Cross-References
- Alternative Part Numbers: 1465216, 146-5216.
- Main Housing Component: Directly services the Caterpillar 146-5215 In-Line Y-Strainer assembly.