Shop new Unverferth PRO-FORCE 1850 Applicators | Sprayers | Spreaders on MyLittleSalesman.com . Compare active listings with prices from $140,490 to $143,397. Sellers include Fertilizer Equipment Specialists and Keast Enterprises. Filter by hours, price, or year to find the Unverferth PRO-FORCE 1850 Applicator / Sprayer / Spreader that fits your job.