It is a genuine OEM Power Train Breather assembly designed to regulate pressure and prevent contamination in heavy-duty machinery. This spin-on style filter is a critical component for maintaining the health of transmission and powertrain systems by allowing them to “breathe” while blocking dust, dirt, and water.
Key Specifications
- Part Number: 9C-4937 (also listed as 9C4937).
- Type: Spin-on Air Breather.
- Thread Size: 3/8-18 NPT.
- Dimensions: Typically 70.60 mm in height and 76.20 mm in outer diameter.
- Air Flow Capacity: Approximately 25 lpm.
- Efficiency: Standard Efficiency.
- Cross-References: Replaces FleetguardAS2512and BaldwinBT40015.Common ApplicationsThis breather fits a wide range of Caterpillar heavy equipment:
- Excavators: 225B, 225D, 229, 231D.
- Wheel Loaders: 950G, 950G II, 962G II, IT62G II.
- Track-Type Loaders: 973, 973D.
- Off-Highway Trucks: 769C, 769D, 770, 772, 773D/E/F, 775B/D/E, 777D, and 793F.
