Gearbox on the Chevy 6100. SM420 TRANSMISSION REBUILD KIT FITS '48-'67 GM 4-SPEED WITH 10.5' CASE & 1 PTO (BK108) SM420 TRANSMISSION REBUILD KIT FITS '48-'67 GM 4-SPEED WITH 10.5' CASE & 1 PTO (BK108). The fact that the SM-420 has the lowest low gear of any light truck transmission, it makes this a very sought after Transmission with 4-Wheeler's. Some rare production units had reinforcement ribs along the pass side of case, making them virtually indestructible. The SM-420 only had a. 50-2402: GM SM420 4 speed manual transmission to the Jeep Dana 18 / 20 with 10 spline drive gear, (new SM420 spud shaft design adapter kit). Search Results for Gmc sm420 Transmission Assembly on HeavyTruckParts.Net. Easily find what you need from 2,318,942 parts available.

• Sm420 Transmission Gear Lube Capacity Chart

Sm420 Transmission Gear Lube Capacity Chart

• Muncie SM420 4 SPEED manual transmission - $300 (Eagar)

  I have a used in excellent condition Muncie SM420 transmission with a GM bell housing and fork. Perfect for off-roading and rock crawling. 1st gear is 7.05 to 1... the transmission sells for $385 used and the bell housing is usually $150+ ...

• 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. Text ...

• GM Muncie SM420 Transmission - $200 (Milton)

  GM Muncie SM420 Transmission, bellhousing, flywheel, clutch, starter and crossmember from a 1966 C20. Parts are left over from a 6-speed swap. Truck shows 78,000 miles. Everything was in good operating condition last fall when removed. ...

• Muncie SM420 Transmission - $100 (Homer)

  SM420 4 speed transmission from a 1952 Chevy 1/2 ton truck. Working fine when it was taken out. Upgraded driveline so don't need it anymore ...

• GM Stewart Muncie SM420 Transmission - $350 (Lindenhurst)

  Casting number is 3837330, making this unit 1964-1967. Specifications of the SM-420The common GM SM-420 has a 1-1/8' diameter, ten spline input shaft that has a stick-out of 6-1/2' from the front face of the transmission. The pilot tip is ~19/32' in diameter. The front bearing retainer f ...

• Muncie SM420 4 Speed Transmission - $300 (Wichita, Ks)

  Works. Pulled from a 1966 Chevy C10. ...

• Muncie SM420 4speed manual transmission Chevy 1947-1972 w/ bellhousing - $200 (Canon City)

  FOR SALE---SM 420 Manual transmission, 4speed w/ granny low with correct GM bellhousing. 2 Wheel Drive, can be converted to accept 4 wheel transfer case by removing rear drive cover. Production date code L305= December 30 1965. This is a heavy duty unit with reinforcing side ribs in the case to impr ...

• SM420 MUNCIE TRUCK 4 SPEED PARTS (WOODBURY)

  1948-1967 CHEVY TRUCK 'SM420' 4 SPEED TRANSMISSION PARTS......TOP SHIFT COVERS- INPUTS--CLUSTER GEARS--SHAFTS--GEARS--SYNCHROS--ETC...612-309-399nine.......612-309-399nine ...