Quick answer:
The New Holland Workmaster 33 tractor battery spec found is 12 V, Group 51, with 850 CCA.
Voltage12 V
Group size51
Cold cranking amps850 CCA
New Holland Workmaster 33 Battery Size Details
| Replacement battery recommendation | 12 V, Group 51, 850 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 51 |
| 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 33 Extra Battery Notes
| Replacement note | For the New Holland Workmaster 33, match the replacement battery to the captured spec: 12 V, Group 51, 850 CCA. Physical fit, terminal layout and hold-down fit still matter |
|---|---|
| Battery location | The battery on the New Holland Workmaster 33 tractor is typically located near the engine or underneath the seat. You may need to open the battery compartment to access it |
| Bad battery symptoms | Common symptoms of a bad battery in a New Holland Workmaster 33 tractor include no power to the dashboard, clicking sounds when trying to start, and dim dashboard lights. Additionally, if the tractor starts intermittently or has a weak response, these may 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.

