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 770 model tractor belongs to the John Deere 70 Compact Series. The 770 is a Compact Utility Tractors type, which is used mostly in Agriculture Tractors. The 770 tractor features a engine. This setup is more practical in the real world.