SAE J1857-2003
Flywheel Dimensions for Truck and Bus Applications

Standard No.

SAE J1857-2003

Release Date

2003

Published By

Society of Automotive Engineers (SAE)

Status

Be replaced 2017-09

Replace By

SAE J1857-2017

Latest

SAE J1857-2017

Scope

Although not limited to, these flywheels are normally used on trucks considered as Medium-Duty (Class 6 and 7), as well as Heavy-Duty (Class 8) trucks. This SAE Recommended Practice defines flywheel configuration to promote standardization clutch installation and mounting dimensions for flywheels used with pull type single- and twin-plate truck clutches.

SAE J1857-2003 Referenced Document

• SAE J1033-1993 PROCEDURE FOR MEASURING BORE AND FACE RUNOUT OF FLYWHEELS, FLYWHEEL HOUSINGS, AND FLYWHEEL HOUSING ADAPTERS
• SAE J1731-2001 Pilot Bearings for Truck and Bus Applications
• SAE J1806-1999 (R) Clutch Dimensions for Truck and Bus Applications

SAE J1857-2003 history

• 2017 SAE J1857-2017 Flywheel Dimensions for Truck and Bus Applications
• 2003 SAE J1857-2003 Flywheel Dimensions for Truck and Bus Applications
• 1997 SAE J1857-1997 Flywheel Dimensions for Truck and Bus Applications
• 1987 SAE J1857-1987 Flywheel Dimensions for Truck and Bus Applications@ Recommended Practice