Shop new, used, and remanufactured Caterpillar 3508B Engines on MyLittleSalesman.com . Compare active listings with prices from $35,995 to $35,995. Sellers include 4-Trucks Enterprises, Old Forge Power Equipment, Industrial Diesel, and more. Filter by condition, price, or year to find the Caterpillar 3508B Engine that fits your job.