I have a Toro Dingo 420 (on tracks) that won't start. The battery is fine, as its cranking strong. Have already changed the air & fuel filters & spark plugs. I'm suspecting a clogged fuel line, as there was no gas in the old fuel filter & lines when I disconnected it. I suppose my next step is to syphon out the gas tank. It's in a tight spot, so if the syphoning doesn't help I'm considering pulling it out with a chain and maybe onto a trailer to take in to the repair center. Is that even possible or will it be damaged by pulling? Any other ideas? Thanks!