Investing almost $500,000 in a vacuum truck to serve a handful of customers in a niche market can be a nerve-wracking prospect for contractors. But at Trackvac Services in Ottawa, Illinois, taking such a leap of faith was a little easier because the truck was a versatile, multitasking Guzzler Classic.The Guzzler, built by Guzzler Manufacturing (a subsidiary of Federal Signal Corp.), is an interesting crossbreed: a conventional vac truck that, in a matter of minutes, converts into a rail-ready vehicle that can efficiently suck up spills on and around railroad tracks. The truck is central to operations at Trackvac, a
