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**69TowRig** · 12-27-2009, 08:39 PM

Stock would have been an open-knuckle disc-brake 44 in front with a 12-bolt rear. The brake setup is specific to 71-72 trucks and the shafts have 260X u-joints (smaller) instead of 297X joints (larger 73+).

Check this link for diagrams to help with identification. It is possible that a previous owner swapped out the 44 for a 10-bolt since they will bolt up without modification:

http://www.coloradok5.com/axleguide.shtml

12-27-2009, 08:39 PM	#2
69TowRig Senior Member Join Date: Jan 2005 Location: Raleigh, NC Posts: 897	Re: 1972 chevy cheyenne 4x4 axles?? Stock would have been an open-knuckle disc-brake 44 in front with a 12-bolt rear. The brake setup is specific to 71-72 trucks and the shafts have 260X u-joints (smaller) instead of 297X joints (larger 73+). Check this link for diagrams to help with identification. It is possible that a previous owner swapped out the 44 for a 10-bolt since they will bolt up without modification: http://www.coloradok5.com/axleguide.shtml __________________ -Chris Building a stripper, one part at a time: 1969 K5, 307, 3spd, 3 seats, hard top. Added Pwr Discs, Pwr Steering, Aux Battery, T-case Skid, Lighted Sidemarkers, HEI, Lock-Right Diff, ECE Class IV Hitch, 32" MT/Rs. Parts to Install: Hand Throttle, Console, Tow Hooks, Dual Horns, AM-FM, Dealer Swing-Away Tire Carrier, Gas Tank Skid. Also building a 1950 Willys CJ-3A and off-roading a 2001 Nissan Frontier on 1-Ton Portals... Last edited by 69TowRig; 12-27-2009 at 08:45 PM.