Overload

An NHTSA Engineering Analysis into Tiffin vehicles. Closed 1 October 1987.

Investigation
EA86009
Type
Engineering Analysis
Opened
10 March 1986
Closed
1 October 1987

What NHTSA investigated

Summary of information from manufacturer:tiffin uses the chevroletastro mini van for 21 foot micro-mini allegro motorhome.tiffinreplaces the rear axle of the stock astro with a chevrolet C-10LIGHT truck rear axle assembly to increase its weight rating TO7,000 pounds. (astro has a 5,600 pound gvwr).analysis:the allegro is fabricated without durability or completebrake testing.tiffin loads a stack of 4'X8' plywood sheets on theallegro chassis rear frame rails for a few hours to check for sag.if no permanent set is found the vehicle is deemed satisfactory AT7,000 pounds gvwr.status:closing memo to (h) 9/9/87.===

Vehicles covered

MakeModelModel years
TiffinALLEGRO1986

Source

From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.