Electric hydraulics or linear actuator for A/C G ?

llibsch

New User
My son and I have converted an A/C G from gas to 48V DC. He wants to use the tractor for cultivating. The tractor had original hydraulics which we removed because the pump was leaking at the PTO and at the connection to the transmission and because hydraulic operation after electric conversion was slow and balky. Literature we found relating to the conversion stated that slow, balky hydraulic operation after electric conversion was common and that many had dealt with this by installing an electric hydraulic system. Equipment was not specified. A search of the archives here suggested a linear actuator might be a solution.
We hope to raise and lower the tractor's cultivating implement. We seek a practical solution as well as advice on what information we need to purchase an appropriate system. Advice from someone who has done such a conversion or has added 12 volt hydraulics to their tractor would be especially helpful.
Larry
 


Electric linear actuator are too slow, too low of expansion or contraction and they are fragile.
There are electric over oil power packs for use on pickups with snowploughs etc.
What are the electric motor specs and battery specs ? Don't discharge lead acid batteries below 50% even if they are marine batteries.
 
Thanks for your reply. The electric motor is 4.5 to 6 hp. Batteries are 4 Trojan T-1275 in series. Each battery rated 120 amp hours at 5 hr discharge.
Larry




(quoted from post at 19:09:38 08/01/17)

Electric linear actuator are too slow, too low of expansion or contraction and they are fragile.
There are electric over oil power packs for use on pickups with snowploughs etc.
What are the electric motor specs and battery specs ? Don't discharge lead acid batteries below 50% even if they are marine batteries.
 
I put electric lift on a G years ago. It was made by Sanginaw steering gear. Worked great great and picked up six planter feet made by Tye. The rig was heavy and it did the job fine. Was a plot planter for Clemson U.
At the time, the lift cost about $100.
Richard in NW SC
 

http://www.tractordata.com/farm-tractors/000/0/0/6-allis-chalmers-g.html

http://www.trojanbattery.com/pdf/datasheets/T1275_Trojan_Data_Sheets.pdf

6HP is going to be weak in a working tractor unless it is being used as a gokart.
The DC motor will make 12 even 18HP briefly and feel more powerful than the 10HP ICE however the E motor will rapidly overheat at power levels above 6HP. Hopefully there is a protective thermal overload in the power circuit in addition to short circuit protection. Different but equally important category of electrical protection.
At full 6HP load drawing approx 140amps the batteries will be down to 50% after 30-35 minutes of use and require a charge .
Super Duper Trojan batteries or not. Do not deep cycle the batteries or their life and capacity will be shortened dramatically.
Don't let the batteries sit for extended periods of time with a partial charge .
 

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