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Business Details
45 Years
experience
Your Trusted Diesel Truck Repair & Parts Experts in Shelocta, PA
Mumau Diesel Service & Truck Repair has been a family-owned and operated business since 1981, dedicated to providing comprehensive diesel truck parts and repair solutions. Over four decades, we have expanded from a small parts outlet to an eight-bay service facility, maintaining a vast inventory of repair parts for heavy-duty trucks. Our expertise spans troubleshooting, maintenance, and performance upgrades for diesel engines, including Cummins, Caterpillar, Detroit, and more. We prioritize customer satisfaction through honest business practices and technical proficiency, offering both standard repairs and cutting-edge performance enhancements. Our team stays at the forefront of diesel technology, adapting to advancements like electronic fuel injection and cleaner energy solutions.

We serve semi-trucks, tri-axle dumps, and a variety of diesel vehicles, combining traditional craftsmanship with modern innovations. With decades of experience, we aim to earn the trust of both loyal and new customers by delivering reliable service and expert guidance. Our commitment to quality extends to sourcing trusted brands like Shell, Valvoline, and Bosch, ensuring durability and performance. We understand the challenges of diesel maintenance and strive to simplify solutions, whether through in-shop repairs or remote troubleshooting assistance. By focusing on transparency and technical excellence, we position ourselves as a trusted partner for diesel truck owners in Shelocta and beyond.
Services
Diesel Engine Repair Truck Parts Supply Performance Upgrades Maintenance Services Troubleshooting
Details
  • Year established: 1981
Highlights and features
  • We offer over 40 years of diesel repair expertise.
  • Our family-owned business prioritizes honest, customer-focused service.
  • We stock a vast inventory of parts for immediate repairs.
  • We specialize in performance upgrades for modern diesel engines.
  • Our technicians adapt to evolving diesel technology for optimal solutions.
Services
Diesel Engine Repair
We specialize in comprehensive diesel engine diagnostics and repairs for heavy-duty trucks, including Cummins, Caterpillar, and Detroit models. Our technicians address mechanical failures, overheating, and performance issues using advanced tools and OEM-quality parts. With decades of experience, we ensure reliable solutions for both standard maintenance and complex engine overhauls.
Truck Parts Supply
We provide a wide inventory of diesel truck parts, including filters, oils, fuel systems, and performance components from trusted brands like Shell, Bosch, and Valvoline. Parts are available for immediate pickup or delivery, ensuring minimal downtime for commercial and personal diesel vehicles.
Performance Upgrades
Our performance upgrades deliver increased horsepower and efficiency for diesel engines, including tuning modules, turbochargers, and fuel system enhancements. These modifications are designed for modern diesel trucks, offering improved power without compromising reliability or longevity.
Maintenance Services
We offer scheduled maintenance for diesel trucks, including oil changes, filter replacements, and cooling system services. Our preventive care programs help extend vehicle lifespan and avoid costly breakdowns, using premium products tailored to heavy-duty applications.
Troubleshooting
Our team provides expert troubleshooting for diesel engine issues, utilizing specialized tools to identify electrical, mechanical, or performance-related problems. We deliver clear diagnostics and actionable solutions to restore vehicle functionality efficiently.
Questions
What services does Mumau Diesel Service & Truck Repair offer?
We provide diesel engine repair, parts supply, performance upgrades, maintenance, and troubleshooting services for heavy-duty trucks and diesel vehicles.
How long has Mumau Diesel Service been in business?
We have been serving customers since 1981, offering over 40 years of expertise in diesel truck repair and parts.
Do you carry parts for all diesel truck brands?
We stock parts for major brands including Cummins, Caterpillar, Detroit, Mack, and International, with options available for immediate pickup or order.
Can you help with diesel engine performance improvements?
Yes, we specialize in performance upgrades like tuning modules, turbochargers, and fuel system enhancements to increase horsepower and efficiency.
What are your service hours?
Our shop is open Monday through Friday from 8:00 AM to 5:00 PM for repairs and parts sales.