Jean Gravel's 1972 John Deere Electric 90

Owner	Jean Gravel
Location	Sherbrooke, Quebec Canada ^map
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Vehicle	1972 John Deere Electric 90 OEM electric
Motor	Permanent Magnet DC Traction peak HP= 2.70 Mower (2) peak HP= 1.40
Controller	Two solenoids
Batteries	3, 12.00 Volt, Lead-Acid, Flooded Old car batteries for the moment enough to do the job, waiting to rebuilt the charger
System Voltage	36 Volts
Charger	36 volts Integrated ferro resonant type with 12 hours mechanical timer
Heater	could be useful during winter time....
DC/DC Converter	None
Instrumentation	feeling the batteries need replacement....
Top Speed	4 MPH ( 6 KPH) on 3rd gear according to service manual but to fast to mow using second gear at 2.8 mph, 1st gear 1.4 mph and reverse gear 2.1 mph
Acceleration	burn rubber...
Range	30 minutes with old batteries
Watt Hours/Mile	hum..
Seating Capacity	1 adult
Curb Weight	475 Pounds (215 Kilograms) according to service manual
Tires	Turf saver Front 11X4.00-5,2PLY Rear 16.00 X 6.50-8 2PLY
Conversion Time	8 month on and off during winter weekend
Conversion Cost	Around 1200$ including new batteries Paid 50$ for the tractor
Additional Features	Complete rebuild, every single part was blast to bare metal, prime and painted with 2 coat. Spend most of my time on body/mechanical repairs rather than electric. Two solenoids activate the motors. One for traction and two for the mowers. Quiet and fun to ride.
Thanks to Luc at Équipement Veilleux my local John Deere dealer for providing help with replacement parts. Still need some help with the charger seem like it's overcharging, any clue....

code by jerry