Shop used Eaton-Spicer RST40 Axles & Differentials on MyLittleSalesman.com . Compare active listings with prices from $600 to $1,700. Sellers include Camions Lussier-Lussicam and LKQ Heavy Truck. Filter by condition, price, or year to find the Eaton-Spicer RST40 that fits your job.