Serial number plate on the front right of the tractor frame, above the front axle
1982
345029
1983
346464
1984
347542
1985
348359
1986
349009
ELECTRICAL
Ground
negative
Charging system
alternator
Charging amps
90
Batteries
2
Battery volts
12
Battery AH
88
About John Deere Tractor
The John Deere 4240S type tractor is part of the 4040 Series of tractors. The 4240S is a and that is often used for Agriculture Tractors purposes. A engine runs the 4240S tractor. This setting is more practical in the real world.