Np420 transmission specs. May 26, 2007 · the np420 is a granny 4speed with gears 3 and 4 syncronized, right? the np435 is a what? 3 speed? 4 speed? 5 speed? are all the gears syncronized or just the 2 high gears? Jul 24, 2025 · Partial TRANSMISSION, Assembly parts listings for New Process NP420 manual transmissions. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Comprehensive guide to the New Process 435 transmission — specifications, identification, applications, and Jeep adaptability for this durable truck gearbox. Transmission Identification There were three different types of transmissions used in the Power-Wagon over its production run from 1946-1968. 246. Get the best deals for Np420 Transmission at eBay. Search by VIN, License Plate, or Year Make Model and Engine. These pictures will guide you through the main steps of rebuilding an NP420 transmission. You are wanting to put the NP420 into your Power Wagon is that correct? And your Power Wagon is an early with the first series transmission? MANUAL, TECH INFO 1957-1968 NP420 Shop now for Manual and Tech Info for 1957-1962 Dodge W100, W200 and 1958-1968 W300 trucks. Please refer to a service manual for complete rebuild instructions and specifications. 162. I want to keep it as original as I can, so I would like to keep the NP420, which is the transmission that I think is in it now. We have your Complete Transmissions needs covered to complete your repair job. Comprehensive guide to the GM Muncie SM420 transmission — history, specifications, identification, adaptability, and compatibility for Jeep and GM vehicles. MANUAL, TECH INFO 1957-1971 NP420 Shop now for Manuals and Technical Information specific to 1957-1971 Dodge WM300 1 Ton Civilian Power Wagons. Mar 1, 2021 · Most of the parts are hard to find but I am getting there but the transmission looks like it will stop me in my tracks. It has the one inch diameter, 10 spline input shaft and an 11 inch diameter disk. Any help on where I can get parts for it; bearings, seals, gaskets? NOS NP420 Transmission 3rd & Direct Gear - CC1664323 Vintage Power Wagons Aug 20, 2020 · Parts for the later NP420 transmission (1956-) seem to be easier to find than the early version. I need the numbers for the clutch disk, throw out bearing, pressure plate and pilot bearing of any items that are currently available through parts stores. Feb 12, 2012 · The NP420 does not have the bronze bushing at all. Shop Remanufactured NP420 Manual Transmission for sale online from Weller Truck. If you pay attention to oil specs; most producers that are putting out a decent quality product will actually list whether their product is harmful to brass or not. I can find synchro rings (inner and outer) for the later version (1669891 and 1669893), but not for the early. In Reply to: Re: NP420 transmission identification posted by Todd F [108. com. 00 NP420 Transmission The NP420 four-speed tranmission with power takeoff (PTO Feb 24, 2010 · I have a 1963 New Process 4 speed transmission from a 1963 Power Wagon. 1957-1968 DODGE NPG NP420 4 SPEED TRANSMISSION Shop now for Parts, Tools, and Manuals for 1957-1962 Dodge W100, W200 and 1958-1968 W300 trucks. Dec 17, 2012 · Could you tell me what additional parts I am going to need besides the transmission hump/tunnel? Thanks for your help!! Nate, We can refresh this topic, let us start from the beginning. Visit our site today for new and remanufactured truck parts and equipment. 254] on Sunday, August 27, 2017 at 11:44:45 : The numbers cast on the side will identify it as a NP420, but there are several NP420's with different casting numbers depending on the vehicle application. Buy Manual Transmission (NP420) from Transtar. Do your homework, there is cheap junk out there that has a synthetic title also. . Home › Complete Rebuilt NP420 Transmission - CC1666547-R Complete Rebuilt NP420 Transmission - CC1666547-R Vintage Power Wagons $2,500.