Serial number plate on the left side of the tractor frame, above the front axle
ELECTRICAL
Ground
negative
Charging system
alternator
Charging volts
14
Battery volts
12
Battery AH
90
About John Deere Tractor
The John Deere 3050B tractor is part of the 9R tractor series. The 3050B is a Compact Utility Tractors type, which is used often in Agriculture Tractors. A engine powers the 3050B tractor. This setup offers a greater usability in the actual world.