Choose Your Engine Color for Parts

We supply parts, and provide support for all prior versions of the Green APU. However today, the only unit we sell is our latest 5th Generation Kubota Star Edition APU.

Please fill out a RUT-7 form when purchasing any products for tax exemption.

TRUCK APUS FOR BETTER SLEEP AND MAXIMUM SAVINGS

The Most Versatile, Convenient, and Durable Auxiliary
Power Unit for Semi Trucks on the Market.

Auxiliary Power Unit Features

Explore the multipurpose and long-lasting auxiliary power unit designed for semi-trucks. It sets the standard for semi-truck APUs with a range of unique features. Trust in the dependability of Green APU’s truck APUs and experience the difference for yourself. Discover its many incredible features, including:

Compact design

Its small, compact design will easily fit onto your truck frame.

Proudly assembled in Chicago, IL

We take great pride in assembling our truck APUs in the United States, guaranteeing top-notch products that can be serviced nationwide at our Authorized Distribution Centers.

Self-tensioning belt

The Green APU’s self-tensioning belt is available at all major auto parts stores nationwide.

Aluminum casing

Our APUs are built using an all-aluminum casing, making them extremely strong, lightweight for better fuel economy, and durable.

The Main Benefits of the Green APU Unit

The Green APU auxiliary power unit provides a wide range of game-changing benefits. It features a climate control setting that keeps you comfortable in the cabin, a battery monitoring/charge mode for reliable truck starts, and an engine preheat function for cold weather conditions.

In addition, it’s easy to maintain and has readily available parts. See why the truck APUs will enhance your driving experience in every way!
Learn more about our semi-truck APU specifications here.

CLIMATE
CONTROL

Climate control mode maintains in-cab comfort. The semi-truck APU unit will alternate between AC and heat accordingly based on your desired temperature.

BATTERY
MONITORING

The Battery Monitoring / Charge Mode is designed to ensure your truck starts every time, regardless of how long it sits in the yard.

ENGINE
PREHEAT

Our auxiliary power units also ensure your truck starts in the coldest of climates, preheating your engine’s coolant when temps drop below 33.

EASE OF MAINTENANCE

Climate control mode maintains in-cab comfort. The semi-truck APU unit will alternate between AC and heat accordingly based on your desired temperature.

Choose Green APU For the Best Customer Service and Affordable Products

Green APU’s friendly and knowledgeable customer support team is here to provide you with expert advice and assistance with purchasing or service queries. With 24/7 support, feel free to call us at any at (877) 751-0686.

Find the APUs and parts you require at our one-stop online store. Here, you can buy everything from inverters to APUs and more. Save time by shopping with us—we offer all the parts you need at the most competitive prices, conveniently in one location!

Green Warranty Badge EVERY GREEN APU INCLUDES OUR 2 YEAR/UNLIMITED HOUR WARRANTY!
Green Warranty Badge FINANCING AND SAME DAY INSTALLATION AVAILABLE
Green Warranty Badge LIFETIME 24/7 TECHNICAL SUPPORT

Distributors We Support

Have your Green APU serviced at any of our Authorized Distribution Centers. Don’t worry about traveling far—our numerous locations have all your truck APU servicing and part needs covered. Discover a nearby location and experience the best service today!
Are you a returning customer in need of tech support? We are here to help. Find any support you need by requesting service right here.

A Proud Family-Owned Company

Green APU is a family-owned company that proudly assembles its products in the USA. Our 5th generation Star Edition is powered by a highly reliable 3-cylinder Kubota diesel engine, making it the most powerful APU in the industry.

Finance Your Green APU Unit Today

Green APU offers the latest technology for the trucking industry, providing affordable auxiliary power units for semi-trucks. We offer competitive financing options tailored to your business needs, including low down payments and flexible payment terms. Use our savings calculator to determine how much Green APU can save in fuel costs!

READ OUR CUSTOMER TESTIMONIALS

Hear directly from our customers about their experience as APU truck owners!

Slide

We got three auxiliary power units for our trucks and we have never looked back. They are remarkable little devices that allow our trucks to go further while keeping our drivers comfortable. After several months of using the APU units, we have seen our expenses drop and our profits rise, all with the flip of a switch

Dominque M

Slide

We got three auxiliary power units for our trucks and we have never looked back. They are remarkable little devices that allow our trucks to go further while keeping our drivers comfortable. After several months of using the APU units, we have seen our expenses drop and our profits rise, all with the flip of a switch

Dominque M

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