Each Cummins Generator has a model/spec number description, which is shown on the serial number tag attached to the generator. Here is a representation of the tag on Onan QG 4000. Note the highlighted letter code, in this case P, which denotes the specification type of the particular generator, which can then be referred to as spec P.. The Onan warranty form (generator and control only) comes with the set manual. A service manual may be ordered through an Onan dealer or distribu-tor. MODEL IDENTIFICATION When contacting an Onan dealer for parts or ser-vice, provide the model and serial numbers from the genset nameplate (Figure 1). Write the model and serial numbers in the.
be. Cummins Onan generators are engineered for years of trouble-free service and our nation-wide service network is the largest in the industry. That's why Cummins Onan is the number one, best-selling line of installed generators in RV industry history. Cummins Onan generators come in a wide variety of sizes and fuel types.. Application Manual T-030, "Liquid Cooled Genera-tor Sets", available from Onan. INSTALLATION OVERVIEW These installation recommendations apply to typi-cal installations with standard model generator sets. Whenever possible, these recommendations also cover factory designed options or modifica-tions. However, because of the many variables in