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Diesel Engine Solutions

Serving PA, NJ, DE, & MD

Same-Day Estimates Usually Available 

Onsite & Mobile Diesel Engine Repair Service

Heavy Duty Towing Available

Hours:

All CAT and Cummins Parts and Services Come with a 1-Year Manufacturer’s Warranty

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Expert Diesel Repair Services for 55+ Years

Since 1969, Diesel Service Inc has been the cornerstone of truck repair and maintenance across PA, NJ, DE, and MD. Our family-owned business has grown into a 48,000 sqft facility, equipped to handle all your diesel engine needs. We're proud to be a CAT authorized parts & service dealer and a Cummins authorized parts & service center, ensuring that your fleet receives the highest standard of care. At Diesel Service, we understand that time is money in the trucking industry.

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That's why we offer same-day estimates, mobile repair services, and on-site solutions to keep your vehicles on the road. Our team of skilled technicians responds to calls and emails promptly, often on the same day, to address your concerns. We stand behind our work with comprehensive warranties, giving you peace of mind with every repair. Ready to experience the difference of a dedicated diesel service partner? Contact us today and let's keep your fleet running smoothly.

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Why Choose Us

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Same-Day Estimates Usually Available

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Mobile Diesel Engine Repair Service

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Onsite Diesel Engine Repair Service

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All Work is Warranted

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48,000 sqft Facility

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Responding to Calls and Emails the Same Day

Diesel Service

Recent Projects

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Expert Diesel Repair Services for 55+ Years

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Truck Part Suppliers

As authorized dealers for both CAT and Cummins, we offer an extensive inventory of genuine parts for your heavy-duty trucks. Our supply chain ensures quick access to the components you need, minimizing downtime and keeping your fleet operational.
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Diesel Engine Repairs, Service, & Maintenance

Our expert technicians specialize in comprehensive diesel engine care. From routine maintenance to complex repairs, we handle it all with precision. We use state-of-the-art diagnostic tools to identify issues quickly and provide efficient, long-lasting solutions.
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Fleet Maintenance & Repairs

Keep your entire fleet in peak condition with our tailored maintenance programs. We work with you to create schedules that fit your operational needs, reducing unexpected breakdowns and extending the life of your vehicles. Our proactive approach helps you avoid costly repairs down the road.
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Heavy-Duty Vehicle AC Services

Don't let a malfunctioning AC system impact driver comfort and productivity. Our technicians are well-versed in heavy-duty vehicle air conditioning systems. We provide thorough inspections, repairs, and recharges to ensure your cab stays cool, even during the hottest hauls.

Heavy Duty Repairs, Backed by Heavy Duty Towing

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When a breakdown happens, you need more than an expert repair shop — you need a team that can handle the entire job from start to finish.


That’s why Diesel Service Inc. is proud to partner with V&M Towing & Recovery, a heavy-duty towing provider. Their fleet of specialized tow trucks is equipped to safely transport commercial trucks, fleet vehicles, buses, and heavy equipment directly to our facility for expert service. Once your vehicle arrives, our certified diesel technicians deliver the advanced diagnostics and repairs needed to get you running again — quickly, accurately, and safely.


Need Heavy Duty Towing Now?

Call 610-926-3724 for immediate transport to Diesel Service Inc.

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Diesel Service

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CP #1 CTA Lead-in

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Diesel Service

CP #1 Headline

CP #1 Body

CP #1 CTA Lead-in

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Diesel Service

CP #2 Headline

CP #2 Body

CP #2 CTA Lead-in

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

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Here's what our satisfied customers are saying...

At Diesel Service Inc, we take pride in providing exceptional diesel vehicle services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Diesel Service Inc and let others know what you think.