| DT-466 | DT-466C |
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INTERNATIONAL
HARVESTER DIESEL ENGINES
6.9L and 7.3L Core
Identification
6.9L Old Style Block
| Block Casting Number: |
On left side of block (beneath oil cooler)
1805440C1 Note: Some 440 blocks are truly new style and must be visually inspected by raised donut around the block heater, frost plug (right rear). Old style below serial number 173828. |
| Visual Identification: | *No counter bored area for block heater *No defined area on side of block for dip stick *Thickness of cast iron around block heater 3/8" (.375") |
| Head Bolts: | *7/16, 12 point socket is used to torque head
bolts *Block tapped with 7/16-14 for head bolts |
6.9L New Style Block
| Block Casting Number: | 1807996C1 Note: Some new style blocks have
casting number 440. Above serial number 173828. |
| Visual Identification: | *Has counterbored area for block heater *Very defined relief area cast in side of block for dip stick tube. *Thickness of cast iron around block heater 15/32" (.470") *Latest style (not all new style 6.9) has ribs around head bolts, rear two on left side go from head gasket surface to pan rail - same as 7.3 |
| Head Bolts: | *Same as old style 6.9 |
7.3L Block
| Block Casting Number: | 1809000 C1 |
| Visual Identification: | *Same as 6.9L new style block *Head bolt ribs on side of block extend from pan rail to head gasket surface or rear two head bolts left side |
| Head Bolts: | *1/2" - 12 point socket is used to torque
head bolts *Block tapped with 1/2 - 13 for head bolts |
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INTERNATIONAL INJECTION PUMPS
AMERICAN BOSCH INJECTION PUMPS
| DT-466 | DT-466C |
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