437-0005-00 Spindle Assembly for Spartan Mowers — Fits 54" 61" 72" Decks (RT / RT Pro / RT HD / SRT / SRT XD / SRT XDe / RZ / RZ Pro) 2016-2022

Replacement Part Numbers: 437-0005-00, 437000500. Designed for Spartan mower spindle applications on 54, 61, and 72 inch decks. Compatible with: Spartan Mowers RT 2016-2019, RT Pro 2020-2022, RT HD 2020-2022, SRT 2016-2019, SRT XD 2019-2022, SRT XDe 2022, RZ 2019-2020, RZ Pro 2019-2020, RZ Pro 2020. Performance: A worn or failing spindle assembly can cause uneven cutting, excess vibration, and reduced mowing performance. This replacement spindle is engineered to hold steady rotational speed so you get an even, clean cut—even through thick or tough grass. Installation: Built for straightforward installation, this spindle assembly installs quickly and is compatible with the listed Spartan mower models. Pre-shipment inspection: Each unit is checked before dispatch to meet our quality standards. Please verify compatibility with your mower model before ordering. If you have any questions or need assistance, contact us and we will help resolve your concern.