Wholesale deliveries of towable RVs and motor homes dropped 18.9 percent in March from last year to 30,100, according to the Recreation Vehicle Industry Association.
Towable RV sales fell 17.3 percent to 25,900, while motor home sales slid 27.6 percent to 4,200.
Among towable RVs, sales of travel trailers, which make up about half of all RVs sold in the United States, fell 15.0 percent from March of last year. Sales of folding camping trailers saw the steepest drop, falling 41.2 percent.
RV sales for the three months through March slipped 11.8 percent from the year-earlier period to 82,600.
Totals do not include conversion vehicles. The RV association stopped including those in its monthly shipment totals in October. Manufacturers of conversion vehicles have cut ties with the association.