Komatsu CX20 Series - Engine Serial Number Location

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ENGINE SERIAL NUMBER LOCATION
The TB45E series engine serial number is
stamped on a flat machined, painted pad on the
right side of the engine block just behind the dis-
tributor. The right side is determined by the opera-
tor’s right side when seated on the lift truck.
The serial number faces upwards for ease of iden-
tification.
The S6D102E series engine serial number is
stamped on the left side of the engine to the left of
the oil filter.
NOTICE
For EPA TB45E(D)(G)(L) engine-related troubleshooting,
refer to the following manual:
• TM100 - “EPA Engine Training Manual”
NOTICE
For EPA S6D102E engine-related troubleshooting, refer
to the following manual:
• SM140 - “S6D102E Service Manual”