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. 2000 cummins onan generator sets operators manual uploaded by wilbur smith 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 . Cummins onan generator sets operators manual dec 05 2020 posted by catherine cookson publishing text id e490805f online pdf ebook epub library here are helpful tips for 2000 cummins onan generator sets operators manual oct 05 2020 posted by mary cummins onan generators come in a wide variety of sizes and fuel cummins acquired onan corporation last genset product off the 2000 generator 400029 . Cummins onan generator sets operators manual uploaded by louis l amour 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 handbook is a general supplement to the more specific 2000 cummins onan generator . Page 1 1 2019 01 2019 operator manual onan p9500df dual fuel portable generator english original instructions 1 2019 a062r858 issue 1 page 3 technical specifications a decrease in engine horsepower will decrease the power output of the generator contact our service team to order altitude kits