The generator compartment is what makes this 28-foot Millennium Extreme a working trailer rather than a long box. A dedicated 40 x 32 inch generator door opens into its own compartment, so the unit lives outside the bay: exhaust stays out, noise drops, and you are not shuffling a generator around the car every time you need power. Anyone running air tools, a welder or a rooftop A/C at a track or a job site should be looking specifically for this feature.
Weight and stance
Two 6,000 lb spread torsion axles give roughly 12,000 lbs of axle capacity. Spreading them apart plants a long trailer and calms the porpoising you get on expansion joints, at the cost of tire scrub in tight turns. A 54-inch triple tube tongue carries the tongue weight of a 28-footer without flexing.
Loading
A 72-inch beavertail is long, and long is what you want on this trailer. Six feet of tapered deck brings the approach angle down far enough that a lowered car with a splitter clears the transition. The heavy-duty ramp door has a flap to bridge the last inch. A rear wing carries an LED loading light so you can see the ramp edges after dark, and a 48-inch side door with FlushLock hardware handles everything else.
Inside
White vinyl walls with an insulated white ceiling over black coin flooring. The insulation is not luxury on a trailer this size; it keeps the roof from radiating heat down onto a car you are working under all afternoon. An L-shaped base cabinet with a straight overhead handles tools. Four 5,000 lb recessed floor D-rings, a winch plate, an LED electrical package, and a 12V battery with box. Interior height is about 7 feet. Wired and framed for future A/C.
| Model | 2026 Millennium Extreme, 28 ft |
|---|---|
| Axles | Two 6,000 lb spread torsion (approx. 12,000 lb capacity), aluminum wheels |
| Exterior | .030 white bonded |
| Interior height | Approx. 7 ft |
| Tongue | 54 in triple tube |
| Rear | Heavy-duty ramp door with flap, 72 in beavertail, rear wing with LED loading light |
| Side door | 48 in with FlushLock |
| Generator | 40 x 32 in door and compartment |
| Interior finish | White vinyl walls, insulated white ceiling, black coin flooring |
| Cabinets | L-shaped base with straight overhead |
| Tie-downs | Four 5,000 lb recessed floor D-rings |
| Electrical | LED package, 12V battery and box, wired and framed for A/C |
| Extras | Winch plate, interior spare mount with spare |
Before you buy a 28-footer, be honest about where it will sit when you are not using it and whether your truck is rated for the loaded weight. Freight is a flat $550 to any continental US address, prices in USD, returns open 30 days.









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