Sm420 Transmission

Parts for the SM420 Transmission. The SM420 has proven to be one of the best transmissions ever built. Its watershed design made it a greatly respected predecessor to following designs. We offer nearly all parts at the component level, and our master rebuild kit, which includes the most thorough collection of parts offered anywhere.

Sm420 transmission. Sm420 - Classifieds: Rebuilt Muncie SM420 4 Speed in Boone, MUNCIE SM420 TRANSMISSION 4 SPEED in Indianapolis, 1964 1967 Chevrolet C10 SM420 in Omaha, Transmission SM 420 in Kennewick, SM420 Transmission in Rapid City. Craigslist Search, Craigslist is no longer supported The SM-420 4-speed transmission was produced by General Motors between the years of 1947 & 1967. It was the standard transmission for GMC 2500, 3000, 3500 & 4000 series Trucks, & an option for 1000 & 1500 series trucks. There was no option for any other transmission in GMC 2500 & 3000 Series Trucks. SM420 TRANSMISSION PARTS & REBUILD KITS. GM TRUCKS '48-'67: '47-'53: 6-digit casting number such as "59XXXX", all synchro rings are different. '54-'63: Bearing retainer snout has no weep hole at 6 o'clock, input seal is neoprene. GM Muncie SM420 Transmission. The SM420 is an impressive, heavy-duty truck transmission designed for and used in ½, 3/4, 1 and 2 ton trucks. The SM420 was made by General Motors from 1947 to 1967. Military specification versions were made through the early 1980s.

1967-72 Chevy Truck 13 Transmission Oil Fluid Cooler C10 Sm420 351 Cst C20 402 I will be rebuilding my SM420 4-speed transmission very soon and I would like to get some opinions about what oil I should use in it when it's rebuilt. The Novak site where I ordered my rebuild kit recommends a type GL-4 rated oil from Stalube or Redline, but they do not specify the visos... SM420 4 Speed Transmission Parts. Sort By: Page of 1 : SM420 4 Speed Bearing Kit 1954-1967 Pickups, BK108 SM420 Transmission Bearing Kit, BK108 Our Price: $122.85 (4) SM420 4 Speed Transmission Parts Follow. Newsletter Sign Up. Email Address. The SM420 is the older heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. It is an excellent 4 speed to swap into a Jeep with a Chevy or Buick engine.

Muncie M62/M64 — 3-speed longitudinal transmission made by GM; Muncie SM420 — 4-speed manual used up to 1967, very similar to sm 465 except small changes to gear ratios and location of reverse. New Process Gear NP435 - 4-speed longitudinal transmission used in a select handful of 67-72 GM pickups Muncie SM420 Manual Transmission Overhaul Kit. Muncie SM465 Parts illustration. Saginaw M19 Manual Transmission Overhaul Kit. GM T56 Installation Overview. Manual Trans Reference GM 3, 4, 5 and 6 speeds V24. Saginaw 4 Speeds Overhaul Kit. T5 Borg Warner Manual Transmission Overhaul Kit. I have a Chelsea PTO off a SM420 and compared it to one off a SM465 and the gears are different. The 420 PTO is front or rear output (front outputs were rarely used because the engine cradle crossmember usually prohibits a front driveline in 48-57 Chev trucks for a Front PTO) Mine is available if anyone is looking for one to buy. SM420: The Muncie SM465 is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from 1968 to 1991. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models. Some applications beyond one-ton pickup trucks came with larger input shafts.

Rebuilt muncie SM420 4 speed transmission for sale. Came out of a 1950 GMC 12 ton with a 235. Has a new 3rd gear and it also has new bearings and gaskets all the way around. Nice clean transmission for its age. Ready to go. 200 obo. Willing to deliver if close enough. Serious inquires please. Text is the best way to get ahold of me. Rebuilt Muncie SM420 4 Speed Transmission - $200. Rebuilt muncie SM420 4 speed transmission for sale. Came out of a 1950 GMC 1/2 ton with a 235. Has a new 3rd gear and it also has new bearings and gaskets all the way around. Nice clean transmission for its age. Ready to go. 200 obo. Willing to deliver if close enough. Serious inquires please. sm420 '48-'67 4-speed manual transmission with 10.5" iron case, iron top cover, and with 1 pto opening: Muncie Truck 4 speed Transmission gasket set. Fits the SM420 Muncie truck series. Part# 250-55. If there are any other parts you may need or if we can help you in any way with your manual 3,4, 5 & 6 speed needs.

Browse our new OEM, aftermarket, remanufactured or used Muncie SM420 Transmission/Gearbox inventory online. We have been in the truck salvage and reselling business for over 50 years. We have such a large network at our disposal that there is no way for others in a similar business offering you the kind of warranty and price that we can offer on a Muncie SM420 Transmission/Gearbox . 30 results for sm420 transmission. Save this search. Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1. 52 results for sm420 transmission. Save this search. 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. See search results that fit your vehicle. Select Vehicle. Tell us about your vehicle to find the right parts faster. Transmission Rebuild Overhaul Kit GM Chevy SM420 Rockcrawler (BK108) Brand New. 4.0 out of 5 stars. Changing the gears would affect the offroad character of your truck. For wheeling the lower gears are usually desireable. If you were to change the transmission out to a NV4500, you would lose some of that low gearing as the NV4500 has a higher 1st gear ratio than the sm420... 5.61:1 compared to 7.05:1.

The SM420 is the older heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. It is an excellent 4 speed to swap into a Jeep with a Chevy or Buick engine.