John Deere 2040 Electrical Wiring Schematic Help

   / John Deere 2040 Electrical Wiring Schematic Help
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#11  
"With an open center system, flow is continuous and pressure is intermittent – which is contrary to a closed center system where the flow is intermittent and the pressure continuous."

Googled What is open and closed center hydraulics?. There are visuals too.
Thank you!
 
   / John Deere 2040 Electrical Wiring Schematic Help #12  
Zebrafive
The tech manual # you posted will be dependent on if Moto101's 2040 was built for sales in N America with 3 cyl engine or European countries with 4 cyl engine. Plus early 2040 built for N American sales up to serial # 266,750 had open center hyd's while later models had closed center hyd's.
Thanks! JD had to complicate things making North American and European versions. I hope I did not steer him wrong.
 
 
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