Quick answer:
The Zetor 3320 tractor battery information found suggests 12 V with 950 CCA.
Voltage12 V
Cold cranking amps950 CCA
Zetor 3320 Battery Size Details
| Replacement battery recommendation | 950 CCA – 12 V |
|---|---|
| Battery voltage | 12 V |
| Battery CCA | 950 CCA |
Zetor 3320 Extra Battery Notes
| Battery location | The battery on the Zetor 3320 tractor is located in the battery box in front of the radiator. |
|---|---|
| Basic battery safety | Disconnect the negative cable first, then disconnect the positive cable. Install the new battery, connect the positive cable first, then reconnect the negative cable last. That reduces the chance of shorting a tool against the frame. |
Official information note
Mistakes do happen. Battery specs can change by year, engine, market, terminal layout and installed options. Check the old battery label, operator manual, parts book and official zetor.com website before ordering a replacement battery.





