SAE J2606_200307

Drain and fill plugs used on engines, transmissions, transfer cases and front and rear drive axles for class 5 – 8 vehicles.

The purpose of this SAE Recommended Practice is to establish and maintain a common plug, for various bus and truck powertrain components, among the various manufacturers. This will allow OEM manufacturing facilities and service outlets to utilize common plugs and common tools for oil fill and drain operations.