Superior Diesel is an exclusive provider of Funk Drivetrain Components including pump drives, axles, planetary gear drives, and transmissions. Designed and manufactured by John Deere, Funk Drivetrain components offer the same legendary durability and performance that John Deere is know for. Funk pump drives are offered with a variety of configurable flywheel housing adaptors, gear rations and pump adaptors. They are sold as ship loose components and available pre-assembled with our engine power units.