The ECHO commercial mower has been designed to handle the rigours of commercial use. The 19" (480mm) alloy chassis is rust-resistant, and features commercial wheels with sealed, double ball bearings. Power is provided by the Briggs and Stratton 750 DOV I/C engine, featuring a cast iron cylinder sleeve and high flow air cleaner for a long service life. The ECHO commercial mower is backed by a 2 year commercial use warranty, or 5 year domestic use warranty. Replacement blade pair - CA09470B Recommended oil - Valvoline Power Armour 4 Stroke SAE30 (Bunnings Item No. 3370344) Replacement spark plug - Champion QC12YC Replacement air filter - Briggs & Stratton 792038 Replacement air pre-filter - Briggs & Stratton 793676