[国外标准] SAE J2469-1999 Clutch Application Powertrain Startability Rating Requirements for Truck and Bus A
[国外标准] SAE J2408-2002 Clutch Requirements for High-Torque Truck and Bus Engines
[国外标准] SAE J2407-1997 Clutch Installation and Release Linkage Requirements for Truck and Bus Application
[国外标准] SAE J1806-1999 Clutch Dimensions for Truck and Bus Applications
[国外标准] SAE J1079-1995 OVERCENTER CLUTCH SPIN TEST PROCEDURE