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| (1) | Engine ID Location |
| (2) | Engine ID Location |
| (3) | The first digit identifies the engine build location - All first digits will be a T, this engine is only being built at Tonawanda |
| (4) | The second and third digits identifies the build year |
| (5) | The fourth, fifth and sixth digits identify the build month - Julian Date |
| (6) | The seventh through tenth digits identify the engine build sequence |