OnSite Diesel Willis, TX
Heavy Equipment Repair & Field Service in Southeast Texas
OnSite Diesel provides heavy equipment repair, mobile field service, and full-service shop repairs from our Willis, TX location. Serving contractors, fleet managers, and industrial operators within 250 miles of Houston, we deliver dependable repairs, preventative maintenance, and 24/7 emergency support to help minimize downtime and keep equipment running.
Keeping Southeast Texas Equipment Running
Heavy equipment operates in demanding environments where unexpected breakdowns can delay projects, disrupt production, and increase operating costs.
Our Willis facility combines fully equipped mobile service trucks with a full-service repair shop for major repairs, rebuilds, and precision machining. We support equipment used in construction, pipeline, quarry, landfill, mining, and industrial operations, helping customers address everything from urgent jobsite failures to complex mechanical repairs.
From Routine Service to Major Repairs
We provide comprehensive field and shop services, from on-site troubleshooting and preventative maintenance to major repairs and rebuilds. Our experienced technicians help minimize downtime and keep your equipment performing reliably.
Welding & Line Boring
We perform structural welding and precision line boring to restore worn or damaged components, improve alignment, and extend equipment life without unnecessary replacement.
Hydraulic System Repair
We diagnose and repair hydraulic problems involving pumps, valves, hoses, cylinders, and related components that affect machine performance, power, and control.
Mobile Field Service
Our fully equipped service trucks bring diagnostics, diesel engine repairs, hydraulic service, component replacement, welding, and line boring directly to jobsites throughout Southeast Texas.
Full-Service Shop Repairs
Our Willis repair facility handles major engine and component rebuilds, complex machining, fabrication, hydraulic repairs, and structural work requiring specialized equipment and shop support.
Preventative Maintenance
We help equipment owners reduce unexpected failures with routine inspections, fluid and filter service, wear-part replacement, and planned fleet maintenance in the field or at our shop.
Diesel Engine Repair
Our technicians troubleshoot and repair diesel engine problems, from starting issues and power loss to overheating, performance concerns, and major engine work.
Contact Our Willis, Texas Location
Contact our Willis team to schedule heavy equipment repair, request field service, or discuss major shop repairs and preventative maintenance.
OnSite Diesel – Willis
12110 FM Rd 2432
Willis, TX 77378
Phone:
Shop Hours:
Monday–Friday, 8:00 AM–4:30 PM
Emergency Service:
Available 24/7
Request Equipment Support
Need repairs or maintenance for your equipment? Complete the form below and we’ll follow up to discuss your service needs.
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Keep Your Equipment Moving Across Southeast Texas
From unexpected jobsite breakdowns to major shop repairs, we’re here to help keep your equipment working and your operation on schedule.
Contact our Willis team for heavy equipment repair, field service, and ongoing maintenance support within 250 miles of Houston.