Free - Twin Disc MG-514C Troubleshooting Guide Twin Disc MG 514C Marine Transmission Parts for Canada - Oil Cooler Section Loading... 1 Twin Disc Oil cooler for marine gears MG509, MG514 & MG514C . Price: $ 1,303.01 Qty: ^ Pictures In Stock Add to Cart 2 Mechanical Gauges Standard Mechanical Gauges with Alarm Electrical Gauges 12 Volts Electrical Gauges 24 Volts 3 Controls Cables & More... See All Control, Cables & More 4 Marine Water Pumps Detroit Diesel Cummins Caterpillar John Deere See All... 5 Fresh Water Pumps Detroit Diesel Cummins Caterpillar John Deere Free - Twin Disc MG-514C Troubleshooting Guide