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Re: Re: Longest running production tractor
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Posted by buickanddeere on June 03, 2004 at 13:56:54 from (192.75.48.2):
In Reply to: Re: Longest running production tractor posted by JT on June 02, 2004 at 23:52:50:
The R was a five speed and the 80/820/830/840 were sixes. The R used a two main bearing crank and the 80/820/830/840 used three main bearings.
The pto and hydraulic drive was re-routed and strengthened for the 80/820/830/840. PS was made available too.
The R used a smaller bore and the 80/820/830/840 went to 6-1/8".
The R used 4 hole injector tips, the 80 and greendash 820 used 10mm pumps and 5 hole tips. The blackdash 820/830 and 840 used heads without brass injector tubes, 13mm pumps and 6 hole injector tips. Improved rings/pistons too.
Electric start could be had on 830 and 840's.
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