Within 250 Miles of Houston, TX
Within 250 miles of San Antonio, TX
Within 250 Miles of Houston, TX
Within 250 miles of San Antonio, TX
Contractors, fleet managers, and industrial operators across Texas rely on OnSite Diesel for dependable field and shop support when equipment performance matters most. Our experienced technicians handle everything from on-site troubleshooting to complex in-shop work, helping minimize downtime and keep projects moving.Â
Based in Willis, TX, we support jobsites within a 250-mile radius of Houston with a full fleet of service trucks and a modern repair facility.
We offer a full range of services to support your equipment, from routine maintenance to complex repairs, helping minimize downtime and keep your operations running.
Welding and precision line boring are core capabilities at OnSite Diesel. We perform structural welding and bore repair to restore worn or damaged components, helping customers avoid costly replacements and extend equipment life.
Hydraulic failures can bring equipment to a halt. We troubleshoot and repair hydraulic systems, including pumps, valves, hoses, cylinders, and related components, both on-site and in-shop.
When equipment breaks down on the jobsite, our technicians bring the repair to you. Our fully equipped service trucks support on-site diagnostics, diesel engine repairs, hydraulic service, component replacement, welding, and precision line boring to reduce downtime and avoid unnecessary transport.
For major repairs, rebuilds, and complex machining, our Willis, TX shop provides the controlled environment and tooling required for high-level work. From engine and component rebuilds to fabrication, welding, and line boring, our shop is built to restore equipment performance and extend machine life.
Routine maintenance is key to preventing unexpected failures and costly downtime. We provide heavy equipment maintenance programs, including inspections, fluid and filter service, wear-part replacement, and multi-unit fleet maintenance—performed either in the field or in our shop.
Our technicians diagnose and repair diesel engines across a wide range of heavy equipment. From performance issues to major engine work, we provide dependable solutions that help extend engine life and maintain reliable operation.
When equipment fails unexpectedly, every minute counts. Our team is available day or night to respond with fully equipped service trucks, ready to troubleshoot issues, perform repairs, restore hydraulics, weld, or complete precision line boring on-site.
Our technicians service a wide range of heavy equipment across construction, industrial, material handling, and mining environments.
