Quote:
Originally Posted by jsc7002
What can you tell me about a D60 from a '73 J4000 truck?
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1973, eh? Does it have a 5x5.5" lug pattern? If so, that's a D60-2 (the bottom surface of the housing near the pinion will have the model cast into it in rather large lettering). The D60-2 is a semi-floating axle with 1.5", 35-spline shafts. Its basic design is the same as a D44 in that the axle shafts themselves help bear the weight of the vehicle, unlike the full-floating 8x6.5" D60's used in J-20's starting a few years later. Nice, strong axle. Getting a little hard to find outer bearing parts, but there are still sources out there. The big issue with them is that replacement shafts are very expensive. Nobody mass-produces them and the flanged blanks in that diameter not very common due to the length of the long-side shaft. Its not likely that you'll break a 1.5", 35-spline shaft, but **** happens.