No. The 1586 also had a 3-speed main transmission.
There is very little difference between the basic design and construction of the 66 and 86 series transmissions. The 86 series transmissions simply had minor improvements over the 66 series. We're talking about a different bearing here and there, maybe a slightly different gear ratio, different hardening process used on the gears, that type of thing. It's not like the 86 series transmission is some revolutionary piece of technology compared to the 66 series.
Re: Black stripe?? in reply to mkirsch, 11-13-2012 05:32:57
Agreed that the differences weren't much between the 66 and 86 trannys and rear ends, sorry that I implied otherwise.
As far as the 3 speed, that was because the 15's used a much bigger rear end only allowing the use of three gears instead of 4? That is my understanding anyways. I've heard it's tough to keep a rear end in a 1486 due too the higher horse power.
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