The serial number is typically located on the back of the lawn mower's deck, near the engine. On others, it may be found on the side of the engine cowling or near the rear wheel. Yes, Home Depot does replace Ryobi batteries. 40V HP BRUSHLESS 20" SELF-PROPELLED LAWN MOWER - RYOBI Tools Type numbers usually go by "Type 1," "Type 2," etc. If you cant find the serial number there, try looking underneath the charger. DeWALT DW938 TYPE 2 18V Cordless Reciprocating Saw: The Hitachi NR83A2 (s) Full Head Framing Nailer, The Metabo GE700 (06303420) 710W Die Grinder, The Milwaukee 6236 (SER 769F) Two Speed Deep Cut Bandsaw, The Porter Cable BN138 18 Ga. 1-3/8" Brad Nailer, The Porter Cable 6912 TYPE 5 D Handle Router, The Ridgid R8411503 18V Cordless Hammer Drill, TheSkil 5275 (F012527501) 7-1/4 in. . Compressed air can also help to free up any loose dirt or grass stuck in the head.Here is a link to a video of me using the weed wacker: https://youtu.be/AnVIIKqABz0Here is a link to add string to your trimmer: https://youtu.be/cnpwKronDaoPlease help my channel and like and help me reach 1,000 subscribers FAQs - RYOBI Tools For accurate parts ordering, some Echo tools use long type numbers that fall within a range of compatible type numbers for that tool model. The left hand corner of black label on back of tool reads: Model: P742 (That is obvious enough). When searching for Hitachi parts, the model number is the only number needed. Milwaukee calls their type numbers "serial numbers" (SER). The letter from the type number is usually added to the end of the model number. Identifying a Ryobi tool is a cinch as long as it doesn't have a bar code number. Example Name Plate: The Porter Cable BN138 18 Ga. 1-3/8" Brad Naile. Ryobi Parts Lookup by Model - Jacks Small Engines I own a Ryobi 105R Electric Trimmer and I want to find out if the trimmer has a bar code number. Using the buid in " wmic " command: " wmic bios get serialnumber ". And the second is on a sticker that is affixed to the underside of the mower deck. Some earlier . In addition to a model number, they also have what is called a engineering number. The From there, youll just need to fill out some basic information about yourself and your tool. If you are a proud owner of a Ryobi lawn mower and want to know where is the serial number on Ryobi lawn mower- this element solely for you. The date code is divided into two parts: the first two digits are the year and the second two are the week. Number one is on the back of the mower deck, near where the blade attaches. Sometimes this number is inside the tool housing and other areas that are difficult to access. The type is usually located one line below the model number. How to Locate the Model or Serial Number on a Riding Lawn Mower search separately on PartsTree for your engine model.