Posted by vaughn on August 28, 2011, 10:01 pm
Sure, they exist. Look up "oil field engines".
Like this one: http://www.arrowengine.com/products/Single_Cylinder/C_Series.php
The 10 HP unit weighs in at some 1400 pounds. You don't want to know the cost.
Posted by vaughn on August 28, 2011, 10:45 pm
The OP might want to post his question on this forum: