Ordering main bearings for your Doosan D24 and D34 Diesel Engine
This article will eliminate the confusion of ordering the main bearings for the Doosan D24 and D34 Diesel Engine. ecommerce blog.
What you need to know?
There are 3 types of upper and lower main bearings. Symbolized as "Red", "Blue", "Yellow". There are a series of 5 letters stamped on the crankshaft and 5 numbers stamped on the crankcase half.
Crankshaft Stamp Location.
This crankshaft is stamped "CCCCC". The Alpha letters represent main bearing journals 1 thru 5.
Cylinder Block Stamp Location?
There are 5 letters stamped into the crankcase representing main bearing journals 1 thru 5.
Main Bearing Table.
X Axis = Cylinder Block Main Journal Diameter
Y Axis = Crankshaft Main Journal Diameter
Conclusion:
Based on the example images above the following sequence is observed.
Crankshaft
CCCCC
Cylinder Block Crankcase
BACAA
The conclusion of the correct bearings is listed in the table below.
| #1 Position | #2 Position | #3 Position | #4 Position | #5 Position |
| Crank "C" | Crank "C" | Crank "C" | Crank "C" | Crank "C" |
| Block "B" | Block "A" | Block "C" | Block "A" | Block "A" |
| Order Red Bearing | Order Blue Bearing | Order Yellow Bearing | Order Blue Bearing | Order Blue Bearing |
We hope you found this article helpful. If you have any questions or comments, please call us at 832-948-0975 or email sales@sheelysupply.com
