These are Perkins diesel engine models 1104D-44TA and 1104D-E44TA industrial open power units and come complete as pictured. I have both models in stock, take your pick.
The 1104D-44TA is rated at 100hp@2200rpm. I have 9 of the 1104D-44TA available.
The 1104D-E44TA is rated at 122hp@2400rpm. Only one of the 1104D-E44TA available. It is common rail electronic fuel injected and can be re-rated (re-programed) to your needs.
These engines are new and are warranted by Perkins Engines.