Quick answer:
The New Holland Workmaster 120 tractor battery spec found is 12 V, Group 49, with 850 CCA.
Voltage12 V
Group size49
Cold cranking amps850 CCA
New Holland Workmaster 120 Battery Size Details
| Replacement battery recommendation | 12 V, 800 CCA – Group 49, 850 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 49 |
| Battery CCA | 850 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.
New Holland Workmaster 120 Extra Battery Notes
| Replacement note | For the New Holland Workmaster 120, match the replacement battery to the captured spec: 12 V, Group 49, 850 CCA. Physical fit, terminal layout and hold-down fit still matter |
|---|---|
| Battery location | The battery on the New Holland Workmaster 120 tractor is located under the hood, which can be accessed by unlatching and opening the hood forward. Always ensure to use an extra prop to keep the hood securely open while working |
| Battery replacement steps | To replace the battery on a New Holland Workmaster 120 tractor, first, unlatch and open the hood to access the battery compartment. Then, disconnect the negative terminal followed by the positive terminal, remove the old battery, and install the new one by reversing the process |
| Bad battery symptoms | Common symptoms of a bad battery in a New Holland Workmaster 120 tractor include the engine not cranking at all, clicking sounds when turning the key, and weak or slow cranking. Additionally, corroded battery terminals and a faulty starter motor can also indicate battery issues |
| 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 newholland.com website before ordering a replacement battery.

