Quick answer:
The John Deere 9RX 770 battery size is listed as Group 31, 12 V, 200 CCA, 13 × 6.81 × 9.44 in.
Battery sizeGroup 31
Voltage12 V
CCA200 CCA
Case size13 × 6.81 × 9.44 in
John Deere 9RX 770 Battery Specs
| Battery size / group | Group 31 |
|---|---|
| Battery voltage | 12 V |
| Battery CCA | 200 CCA |
| Battery dimensions | 13 × 6.81 × 9.44 in |
Battery Spec Comparisons Chart
CCA comparison
Voltage comparison
Case length comparison
John Deere 9RX 770 Battery FAQ
| Replacement battery recommendation | The John Deere 9RX 770 tractor uses high-capacity batteries designed for heavy-duty agricultural equipment, and compatible options are available through John Deere’s parts and service channels |
|---|---|
| Battery voltage | The John Deere 9RX 770 tractor has a battery voltage of 12 volts |
| Battery group size | The official battery group size for the John Deere 9RX 770 tractor is Group 31 |
| Battery CCA | The recommended official John Deere 9RX 770 tractor battery has a Cold Cranking Amps (CCA) rating of 1, 200 CCA |
| Battery location | The battery on the John Deere 9RX 770 tractor is located in the engine compartment. It typically consists of five batteries with a 12-volt configuration |
| Bad battery symptoms | The most common John Deere 9RX 770 tractor bad battery symptoms include voltage dropping when the key is turned and no response from the fuel cut-off solenoid |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







