This module will work on tractors and combines with the 8.3L & 9.0L engine using the Bosch Common Rail fuel system. This module has a three position switch with settings of stock, 15% & 30%. It will work on the following applications: 2577 8.3L, 2588 8.3L, 5088 8.3L, 6088 8.3L, 7088 9.0L, 2377 8.3L Combine Serial #295001-up, Axial Flow 2577 8.3L, Axial Flow 2588 8.3L, CPX420 8.3L, CPX620 8.3L, Magnum 180 6.75L, Magnum 190 6.75L, Magnum 210 6.75L, Magnum 215 8.3L, Magnum 245 8.3L, Magnum 275 8.3L, Magnum 305 8.3L, Magnum 335 9.0L, Maxxum 110 Pro 4.5L, Maxxum 120 Pro 4.5L, Maxxum 125 Pro 6.75L, Maxxum 130 Pro 4.5L, Maxxum140 Pro 6.75L, MX215 8.3L, MX 245 8.3L, MX 275 8.3L, MX 305 9.0L, Puma 115 6.75L, Puma 125 6.75L, Puma 140 6.75L, Puma 155 6.75L, Puma 165 6.75L, Puma 180 6.75L, Puma 195 6.75L, Puma 210 6.75L, SPX 4420 8.3L, Steiger 335 Wheeled 9.0L, STX 330 9.0L, STX 280 8.3L, WD1903 6.75L, WD2303 6.75L