Series Load capacity Model Engine model Engine type Drive system 2 ton series 2.0 ton 6FD20 22 Diesel Clutch 02-6FD20 t Torque converter 2.25 ton 6FG23 5K Gasoline Clutch 02-6FG23 t Torque converter 40-6FG 23 4Y Gasoline Clutch 42-6FG 23 t Torque converter 60-6FD23 1 DZ Diesel Clutch 62-6FD23 t Torque converter 6FD23 22 t Clutch 02-6FD23 t Torque converter 2.5 ton 6FG25 5K Gasoline Clutch 02-6FG25 t Torque converter 40-6FG25 4Y t Clutch 42-6FG 25 t Torque converter 60-6FD25 1D Z Diesel Clutch 62-6FD25 t Torque converter 6FD25 22 't Clutch 02-6FD25 t Torque converter 3 ton series 2.75 ton 6FG 28 4Y Gasoline Clutch 02-6FG28 t Torque converter 60-6FD28 1 DZ Diesel Clutch 62-6FD28 t Torque converter 6FD28 22 t Clutch 02-6FD28 t Torque converter 3.0 ton 6FG 30 4Y Gasoline Clutch 02-6FG30 t Torque converter 60-6FD30 1D Z Diesel Clutch 62-6FD30 t Torque converter 6FD 30 22 t Clutch 02-6FD30 t Torque converter