Comments: This Tier I engine is available along with an upgrade option. If you would like to upgrade your existing engine to a Tier II please order these components: 2000216 - QTY. 1 4922978 - QTY. 1 2221176 - QTY. 1 2915014 - QTY. 1 2720058 - QTY. 15 If you would like to directly replace your Tier I engine Deutz also offers a compatiable remanufactured replacement options for this engine. Please order the following: 2000178RXE: XE engines DO NOT include the following: Starter, Alternator, Wiring Harness, SAE-Housing, Flywheel, Mounting Brackets, Exhaust Manifold or Air/Oil Bath Air Cleaner.