Quick answer:
The Massey Ferguson 1205 tractor battery spec found is 12 V with Group 31 battery sizing.
Voltage12 V
Group size31
Massey Ferguson 1205 Battery Size Details
| Replacement battery recommendation | 12 V – Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 31 |
Massey Ferguson 1205 Extra Battery Notes
| Replacement note | For the Massey Ferguson 1205, match the replacement battery to the captured spec: 12 V, Group 31. Physical fit, terminal layout and hold-down fit still matter |
|---|---|
| Battery location | The Massey Ferguson 1205 tractor has its battery located in front of the radiator. This is a common placement for many tractors in this series |
| Safe removal note | 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 masseyferguson.com website before ordering a replacement battery.






