RESOURCES RESOURCES Want the latest scoop? Check out our Blog Posts for monthly updates on the ins and outs of our products and the industry! To see how the HP2000 APU stacks up to its competitors, please view our APU Comparison Chart. Want to know how much the HP2000 APU can save you? Try our Savings Calculator and our Tax Calculator! Interested in purchasing Extended Warranty for your Perkins Engine? Check out the Perkins’ Extended Warranty Plans. To follow and support us on Social Media for the latest updates to our company and our products, “Like” our Facebook Page, Parks Industries LLC! To locate our latest installs and the various types of trucks that our unit has been installed on, head over to our Photo Gallery! For more information about your unit including maintenance guides, warranty qualifications, and troubleshooting tips please view our APU Manuals. To find reference numbers for your HP2000 APU’s air, oil, and fuel filters, as well as your alternator and compressor belts, please view our Quick References page.