Quick answer:
The Massey Ferguson 7718S tractor battery spec found is 12 V with Group 31 battery sizing.
Voltage12 V
Group size31
Massey Ferguson 7718S Battery Size Details
| Replacement battery recommendation | 12 V – Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 31 |
Massey Ferguson 7718S Extra Battery Notes
| Replacement note | For the Massey Ferguson 7718S, 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 battery on the Massey Ferguson 7718S is located in front of the radiator |
| Battery replacement steps | To replace the battery on a Massey Ferguson 7715S tractor, first, disconnect the negative terminal followed by the positive terminal. Then, remove the old battery, place the new battery in the compartment, and connect the positive terminal first, then the negative terminal |
| Bad battery symptoms | A weak or dead battery in a Massey Ferguson 7718S tractor often causes slow cranking, clicking noises when turning the key, or no response at all when attempting to start the engine |
| 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.


