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AC 700 series vs. 900 series


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From what I can determine from the x-ref tables (thanks Kent, Del Allen) AC marketed the 700 series in 78 & 79; then switched to the 900 series in mid-79.
What was the difference in the models? It was not the Kohler engine - those were on some 700 series as well.
Any ideas?

Tuffy
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Tuffy, The main diff. is the 900 ser. tracs. are 2 1/2" longer in wheelbase than their counterparts.900 has improved muffl sys,adjustable pulley to tension mower/blower belts,tensioner guage to check at a glance proper belt tension,flip-up seat, and hydraulic lift that runs off of hydro unit.Also the 900 ser. has headlights that actually give off sufficient light! Just my 1 1/2 cents worth. dlc
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Do the standard 700 (and B series) also fit on the 900?
IE - tiller, mower, snowthrower, etc. given the longer wheelbase?
Or does that not matter except say in terms of a cab which does span the
wheelbase.

tuffy
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The 700 series started in 1974 and went to the 900 in (I thought in 1980 or 81). The only difference is the hood is taller and more square to accomodate the twin cylinder engines. The exhaust exits out the frame instead of the hood. The electric lift was no longer available but if you had hydrostatic drive you could get a hydraulic lift and power steering options on the 900 series. Most of all AC from 1971 had Kohler engines (there were a few 716 made with B&S). Thats my limited knowledge. Hope it helps.

MS
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