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Auxiliary Power Unit Specialists

Lonoke, AR & Springfield, MO

Financing Options

1-Year Parts and Labor Warranty

Same-Day Repairs 

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Reliable APU Solutions for Truckers Nationwide

Dale's APU Sales provides quality auxiliary power unit solutions for truckers across the United States. From our locations in Arkansas and Missouri, we serve the entire nation with reliable APU repair services and refurbished units that help truckers stay comfortable while saving fuel. Our ASE-certified technicians bring 20+ years of experience to every repair and installation, ensuring your auxiliary power unit works perfectly when you need it.


We know that when trucks aren't running, drivers lose money, so we offer same-day repairs and installations, including weekend appointments that fit your driving schedule. Contact us today for your APU needs.

Why Choose Us

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On-Site Emergency APU Repairs

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Same or Next-Day Free Quotes

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20+ Years of Experience

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Locally and Family-Owned

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1-Year Parts and Labor Warranty on Refurbished Units

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Competitive Rates and Pricing

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Refurbished Auxiliary Power Unit Repair Shop

Our repair shop focuses solely on auxiliary power units, making us specialists in this specific field. When your APU breaks down, our ASE-certified technicians accurately diagnose the problem and make lasting repairs that extend your unit's lifespan. Rather than quick fixes, we tackle the root cause of issues to prevent them from happening again and protect your investment. Every repair includes a full evaluation and same or next-day free quotes, helping you make smart choices about your equipment.

Thermo King APU Refurbished Units

Dale's APU Sales offers premium refurbished Thermo King auxiliary power units that perform like new units at much lower prices. Each refurbished unit goes through a detailed restoration process where we inspect, repair or replace parts, and test everything to meet strict quality standards. Our refurbished Thermo King units include our exclusive 1-year parts and labor warranty, showing our faith in our workmanship. These units give drivers the comfort and fuel savings they need while providing great value.
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Dale's APU Sales
Military Heroes Save Here
Dale's APU Sales proudly offers special discounts to active and veteran military personnel on truck repair services nationwide.

Contact us today to learn about your military discount.

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

Must mention this coupon at the time of scheduling.

Dale's Serpentine Tensioner Kit

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

At Dale's APU Sales, we take pride in providing exceptional APU repair 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 Dale's APU Sales and let others know what you think.