Rear end decode - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Robert8096 · 11-21-2010, 10:28 AM

I have a 12 bolt out of a 78 1/2 ton with the code on the axle being KAD 180 W81 and on the ring gear GM 5 783. I am unable to read the rest of the numbers on the ring gear. The pinion gear has 10 34 which if I do the math comes out to a 3.40. The glove box is missing so I don't have the RPO codes for the truck. The rear is out of the truck so if I get time today I am going to install a tire and count the revolutions of the yoke and see if that comes close to the pinion numbers.

Thanks
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11-21-2010, 10:28 AM	#1
Robert8096 Registered User Join Date: Nov 2007 Location: Goose Creek SC Posts: 161	Rear end decode I have a 12 bolt out of a 78 1/2 ton with the code on the axle being KAD 180 W81 and on the ring gear GM 5 783. I am unable to read the rest of the numbers on the ring gear. The pinion gear has 10 34 which if I do the math comes out to a 3.40. The glove box is missing so I don't have the RPO codes for the truck. The rear is out of the truck so if I get time today I am going to install a tire and count the revolutions of the yoke and see if that comes close to the pinion numbers. Thanks Posted via Mobile Device Posted via Mobile Device



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