Cummins Do you know where the Engine Serial Number (ESN) is located?
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The Engine Serial Number (ESN) can be viewed on the engine data plate, the location of the engine data plate is detailed in the Owner's Manual, Operation and Maintenance Manual, or Service Manual document: 100-001 Engine Identification.
Generally, Cummins Engine Serial Numbers consist of (8) digits. Depending on the production year, some legacy engines may have (7)-digit serial numbers.
The following content provides information on where to locate the stamped ESN in case an engine data plate is missing or unreadable.
| Legacy Engine Family | ESN Location |
| NH | The number is stamped horizontally on a machined pad at the upper rear corner of the fuel pump side of the cylinder block. |
| KT / KTA-1150 | The number is stamped vertically on the side of the lubricating oil pump housing. This is the lower front corner of the exhaust side of the cylinder block. |
| V / VT-378, 504, 555 | The number is stamped horizontally on a machined pad at the lower front corner of the left bank side of the cylinder block. This is just above the oil pan rail. |
| V / VT-903 | The number is stamped horizontally on the rear of the cylinder block, just below the left bank cylinder head. The number should be viewable from the top of the engine. |
| V / VT-1710 | The number is stamped horizontally on the rear of the left bank side of the cylinder block, approximately halfway between the pan rail and the top deck. |
| KT / KTA-2300, 3067 | The number is stamped horizontally on the oil pan rail on the left side of the cylinder block. It will be stamped in the center of the cylinder block. |
| Mid-Range Engine Family | ESN Location |
| B, ISB, QSB, B6.7 | The number is stamped on the top of the lubricating oil cooler housing of the cylinder block. |
| C, ISC, QSC, ISL, QSL, L9 | The number is stamped on the top of the lubricating oil cooler housing of the cylinder block. |
| Heavy-Duty Engine Family | ESN Location |
| ISX, QSX, ISX15, QSX15, X15 | The number is stamped on the cylinder block between the rear of the lubricating oil cooler housing and the flywheel housing on the exhaust (hot) side of the engine. |
| Heavy-Duty Engine Family | ESN Location |
| M11, ISM, QSM | The number is stamped on the top rear of the cylinder block on the cold side of the engine. |
| Heavy-Duty Engine Family | ESN Location |
| 12L Natural Gas, ISX12 Diesel | The number is stamped on the top rear of the cylinder block on the cold side of the engine. |
| Heavy-Duty Engine Family | ESN Location |
| X12 | The number is stamped on the rear of the cylinder block on the intake (cold) side of the engine, just forward of the flywheel housing. |
6 comments
Tengo un motor isx con número de serie79090514 que cuñas tengo que usar para sincronizar no trae la lamina