Factory 4x4, dual rear wheel, fully self-contained SANTEK RV has all the extras. Non-smoking. Go where the EarthRoamer goes, at 1/3 the cost. This "go anywhere" RV has engine-power upgrades, transmission upgrades, suspension upgrades, exhaust brake, custom lighting, custom fuel tanks, and more. Painstaking detail in a 21.5 ft long 11 ft high RV. Email ncrow@uia.net for MSWord.doc with all the details. Duramax 6.6 L diesel engine includes Duramaximizer [infinitely adjustable] Tech IV power upgrades [3 stages] from Pacific Performance [Fullerton, CA]. Horsepower from 340 hp to 540 hp. Torque from 520 ft-lbs to 860 ft-lbs. Custom exhaust system w/ less restrictive muffler. PackBrake exhaust brake. Custom 77-gallon fuel tank. Filtration Solutions micro oil filter [change oil @ 10000 mi]. Pillar gauges for exhaust temp & turbo boost. ATS torque converter, Stage II transmission upgrade [Pacific Performance]. Racing style torque limiters on rear axle. Independent rear air bags, adjustable in cab, with gauges. Air compressor w/ 5 gallon tank & quick release air hose connector. Bilstine shock upgrades. Dual 135 amp alternators - double "O" gauge wire to rear plug for 12 v trailer charging. ProSine 2.0 inverter/charger rated 2000 watt pure sine & 100 amp 12 v charger. 4.0 KW ONAN Microquiet generator w/ 14 gallon gas tank w/ gauge. Voyager color "back-up" camera. HID headlights [adapted for simultaneous high & low beam] External lighting includes high powered back-up lights, 12 v lighting both sides & 110 v halogen curb-side, and lighting in storage cabinets. Fluorescent lighting throughout coach. Custom Santek-built steel frame construction, insulated, aluminum exterior, diamond plate rear panel. LED taillights & turn signals. Double-pane, bronze-reflective windows. Custom fiberglass wind-deflector over cab. Roof-rack w/ rear ladder. Trailer brake module for electric trailer brakes.