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Shop now for Parts and Manuals to fit 1957-1968 Dodge W100, W200, and W300 Series 4x4 trucks with New Process NP201 Transfer Cases.
In the mid 1950's, New Process redesigned the NP200 to make the closely related NP201. The primary external difference between the NP200 and NP201 is the location of the rear output shaft. With the NP201, the rear output shaft is inline with the input shaft, so power transfer in 4x2 high range is directly from the input shaft to the rear output shaft. The inline design means the idler and front output shafts are not used to transfer power in 4x2 high range resulting in cooler and more efficient operation. Also, with the NP201, the rear differential pinion can be centered instead of offset to the left side as was required with the NP200. The NP201 was used by Dodge in 1957-1968 civilian-based W100, W200, and W300-Series 4x4 trucks. The NP201 was replaced by the New Process NP205 in Dodge W-Series civilian 4x4s in 1969.
