Usage:
793C (4AR) Off-Highway Trucks
- SUPPLEMENT: MAY 3, 1999
Service Magazine SEPD0389, Article 7, Page 8-9, November 3, 1997; "Serviceable Parts Available For Low Pressure Turbocharger In Low Altitude Engine Arrangement".
Disregard this article and refer to Service Magazine SEPD0470, Article 11, Page 12 with the same title.
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- SUPPLEMENT: APRIL 5, 1999
Service Magazine SEPD0389, Article 7, Page 8-9, November 3, 1997; "Serviceable Parts Available For Low Pressure Turbocharger In Low Altitude Engine Arrangement".
Disregad the information about the 0R-7246 Remanufactured Turbocharger Group and the 0R-7247 Remanufactured Cartridge Group. These remanufactured groups are not availble for service. The 148-0833 Turbocharger Group is replaced by the 123-4874 Turbo Group.
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Reference: Service Magazine; August 18, 1997; Page 8; "New Engine Arrangements For High And Low Altitude Applications"
The Reference Article describes the new 147-0840 Low Altitude Basic Engine Arrangement. This arrangement includes the 148-0833 Turbocharger Group. This turbocharger includes an improved turbine wheel that will provide increased service life. The serviceable parts of the new 148-0833 Turbocharger Group are identified in the illustration and chart. The 148-0833 Turbocharger Group is to be used only on trucks operating between 0 and 2740 m (0 and 9000 ft). Do NOT use a 148-0833 Turbocharger Group on trucks operating above 2740 m (9000 ft).
Identification of components in the 148-0833 Turbocharger Group.
Identification of components in the 148-0833 Turbocharger Group.
NOTE: The 114-0833 Turbocharger Group can be replaced with the 0R-7246 Remanufactured Turbocharger Group. The 148-0834 Cartridge Group can be replaced with the 0R-7247 Remanufactured Cartridge Group.