Serial number plate above the PTO shaft on the John Deere 770
ELECTRICAL
Groun
negative
Charging syste
alternator
Charging amp
20
Battery CC
447
Battery volt
12
About John Deere Tractor
The John Deere 770 tractor is part of the 70 Compact Series. The 770 is a Compact Utility Tractors type, that is used often in Agriculture Tractors. The 770 tractor has a engine. This setting is more practical in the real world.