Includes Kenworth, Peterbilt and PACCAR Engines
PACCAR technical information websites for use by independent technicians are under construction. During this temporary period, for service information resources not available from PACCAR websites indexed on this page, technicians are instructed to file their request using the NASTF Service information Request (SIR).
PACCAR Engines: www.paccarengines.com/serviceinfo/landing.aspx
To obtain other information relating to Kenworth or Perterbilt, complete a NASTF SIR at www.nastf.org/FileSIR.