Serial number tag on the right side of the John Deere 4100 tractor frame, above the front axle
ELECTRICAL
Ground
negative
Charging system
alternator
Charging amps
20
Battery CCA
433
Battery volts
12
About John Deere Tractor
The John Deere 4100 tractor is part of the 9R tractor series. The 4100 is a Compact Utility Tractors type, which is used often in Agriculture Tractors. The engine of the 4100 tractor generates. This arrangement is more practical in the real world.