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BACK TO TECHNICAL DATA PAGE 1. MODEL INFORMATION & NOMENCLATURE
Every Briggs & Stratton engine has a basic model letter or number such as A, WM, ZZ, 5, 23, etc. This will be found on the metal nameplate if it is present on the engine. The early F Series has the Model & Serial number stamped into the crankcase. Early engines (up to somewhere in the 1940's) have a brass plate on the shroud and later engines have a zinc or aluminum plate on the cylinder shield. Engines having special features are identified by additional letters or numerals assigned to the basic Model Letter or Number such as AL, 8R6, NS, etc. For Example the 8R6 is a model 8 engine with a 6:1 reduction gear and the NS is a model N with a suction carburetor. An explanation of these suffix letters is given below.
LETTERS FOLLOWING BASIC MODEL LETTERS G Generator H High Speed L Aluminum Parts P Direct Crankcase Mounting R Reduction Gear M Marine Conversion S Suction Carburetor T Marine Transmission LETTERS FOLLOWING BASIC MODEL NUMBERS B Ball Bearing C Automatic Choke D Power Takeoff Revolves CW F Flange Mounting H Horizontal Engine P Fuel pump R Reduction Gear S Suction CarburetorBriggs & Stratton engines can be dated by several methods. These are listed below in order of their accuracy.
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