We have a new replacement engine with a complete installation kit for your Thomas 25G! Our kit includes everything you need to install a new Kohler Command in your Thomas. The kit comes with: New Engine with 3 Year Commercial Warranty Hydraulic Lifters Dual Element Air Cleaner 25 Amp Stator Kit guarantee Unlimited technical support Engine Information Kohler CH730: Advanced Performance-Starts effortlessly in all weather conditions, from 0 to 110 degrees-Standard 10% governor delivers power faster Lasting Durability-Automotive-grade head gasket improves durability, reliability and Hydraulic lifters mean zero maintenance on the valve train Service and Support-Kohler’s Global network of more than 13,000 dealers stock parts to minimize downtime Our company prides itself on its customer support. We provide unlimited technical support throughout the process. Additionally, our kits come with a "kit guarantee." This means we are sending you everything necessary to convert your machine from the old engine to the new (unless otherwise stated). If you need something, call us and we will get it sent out free of charge.