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 3050B type tractor is part of the John Deere 3B Series. The 3050B is a Compact Utility Tractors type, which is used most often in Agriculture Tractors. The 3050B tractor has a engine. This configuration gives better real-world usability.