-- Specifications & Features -- Year: na. Make: Caterpillar. Model: 621. Serial #: na. Engine Model: Caterpillar 3406. Engine Manufacturer: Caterpillar. Drive: 4WD. Transmission: 8 speed. ROPS: Open. Tires: Pneumatic. -- Seller Statement -- 10’x 10’ x 4’ pan size, runs and operates. No Reserve! -- Sales Tax -- 6% -- Location -- London, KY. -- Contact -- Specialist: Myron Nissley, 574-536-2481.