📞 713-248-7374  |  ✉️ matt@redcastlediesel.org
🚛 Mobile Service — We Come To You
Red Castle diesel repair and fabrication at the boat dock
Mobile Diesel Repair & Fabrication

Break Down.
We Show Up.

Expert on-site repair for semi trucks, heavy equipment, marine engines and generators — plus welding and fabrication. Dedicated to excellence in field services, wherever your work takes you.

📞 713-248-7374 View Services
5Specialties Covered
100%Mobile — We Come To You
24/7Call For Dispatch
TXGulf Coast Service Area
What We Do

Diesel. Heavy Iron. Sparks.

From roadside semi-truck repairs to custom fabrication — skilled mobile mechanics and welders, fully equipped to fix it right the first time.

Mechanic repairing a diesel semi-truck engine

Semi Truck Repair

Roadside and yard repair for Class 8 trucks — keep your fleet moving with minimal downtime.

  • Engine diagnostics & repair
  • Fuel & cooling systems
  • Air brake & electrical work
Heavy equipment excavators on a job site at dusk

Heavy Equipment

Dozers, excavators, loaders and more — field service that keeps your equipment earning.

  • Hydraulic system repair
  • Powertrain & undercarriage
  • Preventive maintenance
Marine diesel engine being serviced at a dock

Marine Diesel

On-dock service for marine engines so you're not stuck waiting at the slip.

  • Engine overhaul & service
  • Cooling & fuel systems
  • Winterization & prep
Industrial diesel generator set on a jobsite

Generators

Power generation equipment repair and maintenance — when the grid fails, yours can't.

  • Diesel genset repair
  • Load testing & service
  • Controls troubleshooting
Heavy steel and bucket welding fabrication with sparks

Welding & Fabrication

Custom fabrication and structural repair, done on site or in the shop.

  • Custom metal fabrication
  • Structural & frame repair
  • Exhaust systems
Diesel, marine and generator parts inventory

Parts — Buy & Sell

Quality marine & generator parts, bought and sold by the crew that repairs them.

  • Tested & inspected used parts
  • We buy surplus engines & gensets
  • Installation available on request
Parts — Buy & Sell

We Buy & Sell Marine & Generator Parts

Taking up space with a marine engine or genset you're not using? We buy. Need quality parts to get your equipment back online? We sell — inspected, fairly priced, and backed by the same crew that repairs them.

Selling?

  • Complete marine diesel engines
  • Generator sets & powerheads
  • Alternators, heat exchangers, controls
  • Surplus & take-out inventory

Buying?

  • Tested & inspected used parts
  • Marine & generator specialists
  • Fast local pickup or shipping
  • Installation available on request

Need it Made?

  • Custom buckets, frames & brackets
  • One-off parts built to your specs
  • Structural & wear repairs
  • On-site or in-shop fabrication
Call For a Quote Email a Parts List
Shelves of marine diesel and generator parts in a workshop Marine • Generators
Our Story

The Story Behind Red Castle Diesel & Power

Red Castle Diesel & Power was founded by Army veteran Matt Huggins, whose 15 years of service in both the U.S. Army Armor and Engineer Corps helped shape the values that define our company today. Following his military career, Matt built extensive experience in diesel engines, fleet maintenance, heavy equipment, emergency vehicles, and mission-critical operations.

The name Red Castle is a tribute to the U.S. Army Engineer Corps and its iconic castle insignia, a symbol of strength, resilience, innovation, and mission readiness. Those same principles serve as the foundation of our business and guide every service we provide.

Based on the Texas Gulf Coast, Red Castle Diesel & Power delivers dependable mobile repair and maintenance solutions for commercial fleets, heavy equipment, generators, marine vessels, and industrial equipment. We understand that downtime impacts productivity and profitability, which is why we are committed to providing responsive service, expert workmanship, and honest communication every step of the way.

At Red Castle Diesel & Power, we don't just repair equipment. We help keep businesses moving, operations running, and missions on track.

Built on Military Values. Powered by Integrity. Driven by Service Excellence.
Matt Huggins, Army veteran and founder of Red Castle Diesel & Power Army Veteran Owned
Who We Are

Dedicated to Excellence in Field Services

We are a leading provider of equipment repair and fabrication solutions, focused on delivering high-quality services for Fleet, Heavy Equipment, Power Generation and Marine equipment.

Our mobile mechanics are skilled in repairs, welding, and fabrication, ensuring that every client's needs are met with professionalism.

  • ✓
    Mobile FirstOur fully equipped service trucks come to your job site, yard, dock or roadside.
  • ✓
    Skilled TradesmenExperienced diesel mechanics and certified welding & fabrication work.
  • ✓
    Built on ReputationHonest estimates, quality workmanship, and equipment you can count on.
Red Castle custom fabrication — welded bucket attachment Red Castle Repair & Fab
Where We Work

Serving the Gulf Coast

Based in League City, Texas — dispatching mobile diesel service across the Houston metro and surrounding areas. If you're not sure we cover your location, give us a call.

Check My Area
League City Houston Texas City Galveston Pearland Pasadena Deer Park La Porte Baytown Friendswood Sugar Land Missouri City Katy Conroe The Woodlands Rosenberg Freeport Angleton

Ready to Get Started?

Whether it's a mobile mechanic for your machinery or a welding service — we're here for you.

Call 713-248-7374
Get In Touch

Call Us. We'll Roll.

Fast response for breakdowns, scheduled service, and fabrication quotes.

Phone

(713) 248-7374

Call anytime for breakdowns & dispatch.

Email

matt@redcastlediesel.org

Quotes, scheduling & general inquiries.

Based In

League City, Texas

Serving the greater Houston & Gulf Coast region.