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Axle, ring and pinion identification.
Posted: Thu Apr 27, 17 8:15 pm
by 68Roadrunner
Hi chaps,
Are the ring and pinions stamped according to which axle ceasing they belong to,because am I right in thinking they are not interchangeable.
Richard.
Posted: Thu Apr 27, 17 8:35 pm
by Pete
I do not think they are stamped.
The 489 is easy to spot as the pinion is tapered.
The 742 is parallel.
Not sure about a 741 - you are best googling them for measurements....
Posted: Thu Apr 27, 17 10:16 pm
by MilesnMiles
My 489 is actually stamped 3.23. Don't think my previous gears had a stamp, though.
Ring and pinion id
Posted: Sun Apr 30, 17 9:21 pm
by 68Roadrunner
Thanks for the info guys, Google😀ðŸ‘Richard.
Posted: Sun Apr 30, 17 10:04 pm
by shovelheadrob
741 is the smallest pinion 1 1/4 or 1 3/8 iirc, 742 is 1 3/4, both straight & as the wise man said 489 is the tapered one & also he strongest. Some gear sets have the ratio stamped on them, but for many you'll need to count the teeth.