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Discussion Starter · #1 ·
I know the 4120 and other 4100 series were only made for a few years then they were dropped. What are the pluses and minuses to owning them?
 

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Ingersoll Dealer
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The real plus is that they were all premium machines, equipped with power steering and PTOs. All were Onan twin engines. Seems like many were sold with extensive packages (blowers, vacs, tillers, etc) and today will periodically show up as complete packages, priced rather economically.

The down side is parts, repairs, and attachments. The unique parts, including the hydraulic pump, are more limited in availability and more costly. The hydraulic motors on the implements do go bad and are ... costly.

The most common hydraulic attachments were unique to these machines ... that being vacs, snow blowers, and chipper/shredder. Same for the field mower. The standard tiller and log splitter can be used on a 4100 series. The uniqueness arises from the large hydraulic pump capacity installed to run more implements ... more flow rate and hence HP in the hydraulics.

They make superb machines if they are working correct hydraulically and you have the implements you will want ...

Brian
 

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Tractor nut, general nut
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461 Posts
..... The uniqueness arises from the large hydraulic pump capacity installed to run more implements ... more flow rate and hence HP in the hydraulics.

They make superb machines if they are working correct hydraulically and you have the implements you will want ...

Brian
Do you know what the GPM was on their pumps?
 

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Ingersoll Dealer
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2,552 Posts
The 3100/4100 are 11.25 GPM (@3600) in the main section, 2.5 GPM in the secondardy section (power steering).

This compares to 9.5 in the standard tractors.

The relief valves on the 3100/4100 are also set substantially higher (2800 vs. 2100 psi), resulting in much greater hydraulic hp available to run the implements ...

Brian
 
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