Enviro Waste Oil RecoveryMahopac, N.Y. Owner Colin Deems is a stickler for details when he orders a new vacuum truck. And this 2004 Kenworth W900 — loaded up with options and comfort features — is no exception. Deems involved driver Michael Deperna in developing specs for the old-school design Kenworth covered, ironically, in a Mack Green and white color scheme. The rig, built out by Presvac Systems, is powered by a Caterpillar C15 550-hp engine with a 13-speed Eaton-Fuller transmission. The powerplant growls through twin vortex breathers and 6-inch exhaust. The workhorse features a two-compartment 4,200-gallon (1,400 gallons front, 2,800
