MCJ Engines LLC specializes in New Surplus & Re-manufactured Industrial Engines, Power Units & Generators. They say "Its not what you know, it's who you know" This is what made our business so successful. We are at the right place at the right time. We know who can get the job done. Our job is to find the right engine at the right price and we have been doing this for two decades. This site is dedicated to Perkins 404D-22T engine because this Perkins engine model has been our best seller for last five years. We wanted to pay respect to Perkins 404D-22 engine so we created a site so our customers can find us easily. This website serves as an encyclopedia of Perkins 404D-22T engine.