Caterpillar engine Manual & Parts Catalog

Components such as engines, transmissions, axles, etc. and work tools will continue to use an 8 character Serial Number (S/N). See sample for C32 diesel engine: RNW00152 (RNW – prefix). Sometimes producer did not print on the engine’s (or old machinery) plate zero between prefix and first number. Serial number is like this: RNW152 or RNW0152.

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