This comprehensive service and repair manual provides in-depth instructions and guidance for maintaining and repairing your Troy-Bilt Bolens ST100, ST110, ST120, ST125, ST140, and ST180 lawn tractors, covering all models produced between 1984 and 1993. The manual is a valuable resource for both professional mechanics and DIY enthusiasts, offering detailed step-by-step instructions, clear illustrations, and exploded diagrams to assist you with every repair task. It encompasses all aspects of servicing and troubleshooting, ensuring you have the necessary information to handle any issue that may arise with your lawn tractor. Whether you're tackling routine maintenance like oil changes and filter replacements or more complex repairs involving engine or transmission issues, this manual serves as your go-to guide, providing the technical information you need to restore your lawn tractor to peak performance. The manual's extensive coverage ensures you have the confidence and knowledge to tackle any repair challenge, keeping your lawn tractor running smoothly for years to come.

The Troy-Bilt Bolens ST series lawn tractors, encompassing models ST100, ST110, ST120, ST125, ST140, and ST180, were manufactured from 1984 to 1993 and are renowned for their reliable performance and durable construction. These tractors were designed to tackle a variety of lawn care tasks, from simple mowing to heavier-duty jobs like towing and snow removal. A key feature of the ST series was its robust build quality, featuring sturdy steel frames and components capable of withstanding the rigors of repeated use. This emphasis on durability ensured long-lasting performance and minimized the need for frequent repairs. The ST series models were powered by reliable Briggs & Stratton engines, known for their fuel efficiency and ease of maintenance. These tractors offered a range of cutting deck sizes, accommodating various lawn sizes and mowing needs. The ST100 and ST110 models featured a 30-inch cutting deck, suitable for smaller lawns, while the ST120, ST125, and ST140 employed a larger 38-inch deck, ideal for larger properties. The top-of-the-line ST180 boasted a robust 42-inch deck, providing efficient mowing capabilities for expansive lawns. In addition to their mowing capabilities, the ST series tractors were equipped with optional attachments, including snow blowers, tillers, and cultivators, expanding their versatility and utility. With a comprehensive range of features and robust construction, the Troy-Bilt Bolens ST series lawn tractors proved to be a popular choice among homeowners seeking durable and reliable lawn care equipment.