Superior Diesel, Inc. John Deere Parts and Supplies, John Deere Marine Diesel Engines, John Deere Diesel Engines for Railway Maintenance, John Deere Diesel Engines for Forestry, Funk Pumps, Murphy engine instruments, displays and controls: for diesel powered off-road construction/agricultural wehicles and equipment, marine propulsion, power generators, pumps, compressors, irrigation, oil and gas extraction, filter, filters, filtration, air filters, oil filters, fuel filters, Donaldson filters, dust collection, dust collectors, dust filters, welding filters, gas turbine filters, gas turbine filtration, automotive, marine, manufacturing, manufacturing operations, air quality, hepa filters, disk drive filters, fuel cell, fuel cell filtration, chemical filtration, tractor filters, truck filter, truck filters, industrial, and heavy equipment filters Superior Diesel distributes John Deere Engines Funk Pumps, Donaldson Filtration and Murphy Engine Instruments and Controls. Value Added Diesel Engine applications including generators, water pumps, OEM, marine, railway maintenance, and forestry.