- Generator Set:
- All 3304
- All 3306
- Industrial Engine:
- 3304 Diesel
- 3306 Diesel
- Marine Engine:
- 3304
- 3306
Engine News SEBD9345, March 2005, “A New Type of Main Bearing is Available”. Disregard this article. See the article that follows.
The 4W-5738 Main Bearing is cancelled for all 3300 engines. The replacement bearing for 4W-5738 Main Bearing is 232-3233 Main Bearing. Do not use the 4W-5738 Main Bearing. Use the 232-3233 Main Bearing. This is available for all 3300 engines.
The material for the main bearing has changed. The old main bearing was a copper bonded aluminum alloy with a lead tin overlay and a steel back. The new 232-3233 Main Bearing has an aluminum alloy and a steel back.