What is the difference between a Bobcat 743 and a Bobcat 743B?
The Bobcat 743B uses propane as the engine's fuel source.The
Bobcat 743 utilizes diesel as the primary fuel source.
The difference between a 743 and 743B bobcat are undercarriage
improvements and an improved bobtach mounting plate on the front of
the loader for hooking up attachments. If you were looking for
propane powered units try the 742 or 742B. The 742 has a Ford
industrial 4 cylinder in it and the 742B has a Mitsubishi indutrial
engine in it, both of which can be converted to run on propane. On
the older machines the model number for example 743, the 3 means
liquid cooled diesel engine