Quick answer:
The Massey Ferguson 8660 tractor battery spec found is 12 V, Group 31, with 775 CCA.
Voltage12 V
Group size31
Cold cranking amps775 CCA
Massey Ferguson 8660 Battery Size Details
| Replacement battery recommendation | 12 V – Group 31, 775 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 31 |
| Battery CCA | 775 CCA |
Battery CCA Comparison Chart
Battery CCA comparison
Benchmarks use practical low, average and high cold-cranking-amp ranges for the utility tractor category. Use the exact battery label and manual before buying.
Massey Ferguson 8660 Extra Battery Notes
| Replacement note | For the Massey Ferguson 8660, match the replacement battery to the captured spec: 12 V, Group 31, 775 CCA. Physical fit, terminal layout and hold-down fit still matter |
|---|---|
| Battery location | The battery on the Massey Ferguson 8660 tractor is located at the front, behind the grill. This placement is typical for many models in the MF 8600 series |
| Battery replacement steps | To replace the battery on a Massey Ferguson 8660 tractor, first disconnect the negative terminal, then the positive terminal. Next, remove the old battery, place the new battery in the compartment, and reconnect the positive terminal followed by the negative terminal |
| Bad battery symptoms | Common symptoms of a bad battery in a Massey Ferguson 8660 tractor include difficulty starting the engine, dim or flickering lights, and a battery warning light on the dashboard. Regularly checking the battery voltage and terminals can help identify issues early |
| 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.







