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Tractor Talk Discussion Forum

JD 3020 vs. 3010

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dirtdiggerg

07-10-2006 07:53:07




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What were the differences between the 20 series & the 10 series? I know the bores were smaller. How about the hydraulics, trannnys, rear end etc?. I've never been sure. Thanks for any answers




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JDknut

07-10-2006 09:12:32




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 Re: JD 3020 vs. 3010 in reply to dirtdiggerg, 07-10-2006 07:53:07  
Right off the bat, the 20 series Waterloo tractors (these were 3010-3020 and 4010-4020) had larger engines and more HP than the 10's, but other than that, they were similar in terms of hydraulics, gears, etc, except that some of the components were upgraded to take the greater power. But they both had the same type of closed centre hydraulics, 8-speed sychro-range, etc. and the general architecture of the tractors was the same. The big change was that the 20 series offered a power shift. The 20 series had running improvements along its production span, but the big change was around 1968-69 when they had another jump in HP, alternator, side console mounting for hydraulic controls , etc. HTH.

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Dr.EVIL

07-10-2006 14:29:44




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 Re: JD 3020 vs. 3010 in reply to JDknut, 07-10-2006 09:12:32  
Also differential locks were avail. on the 3020/4020 but not the 3010/4010. The rear PTO stub shaft was attached MUCH better on the 20-series (with a snap ring) than on the 10-series....(four bolts), rear bar axles were incrementally larger on the 20-series which prevented axle mount duals from interchanging. The 3020 engine had counter rotating internal balancing shafts the 3010 did not have. 6 cyl. engines did not need that shaft. There were also running changes to fuel filters, electrical systems. Also 3010/4010's had three reverse gears while 3020/4020 only had two.... but the gears are still IN the tractor if You modify the selector on the dash accordingly. And Yes, Sometimes I DO need to go 10 mph in reverse!

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