-- Specifications & Features -- Year: na. Make: Caterpillar. Model: 621. Serial #: na. Engine Model: 3406. Engine Manufacturer: Caterpillar. Drive: 4WD. Transmission: 8 speed. ROPS: Open. Steering: articulating. Tires: Pneumatic. -- Seller Statement -- 10’ x 10’ x 4’ pan, 29.5-29 tires , runs and operates. No Reserve! -- Sales Tax -- 6% -- Location -- London, KY. -- Contact -- Specialist: Myron Nissley, 574-536-2481.