I own Mudd-Ox Inc. in the United states and we are a manufacture of 8 wheel drive amphibious ATV's. We ship machines all over the world. I am currently using the Kubota V-1505 T diesel engine. It is a 44 hp. 1,500 cc 4 cyl. engine with a turbo. Do you have a engine close to this? I found a 3 cyl on your site that looks close to the same specs. The current requirments are 100 units per year. What do you have and what is the cost? Thank You. Matt Oxender President Mudd-Ox Inc.