Quick answer:
The New Holland Boomer 40 tractor battery spec found is 12 V, Group 34, with 660 CCA.
Voltage12 V
Group size34
Cold cranking amps660 CCA
New Holland Boomer 40 Battery Size Details
| Replacement battery recommendation | 12 V, Group 34, 660 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery group size | 34 |
| Battery CCA | 660 CCA |
Battery CCA Comparison Chart
Battery CCA comparison
Benchmarks use practical low, average and high cold-cranking-amp ranges for the compact tractor category. Use the exact battery label and manual before buying.
New Holland Boomer 40 Extra Battery Notes
| Replacement note | For the New Holland Boomer 40, match the replacement battery to the captured spec: 12 V, Group 34, 660 CCA. Physical fit, terminal layout and hold-down fit still matter |
|---|---|
| Battery location | The battery on the New Holland Boomer 40 tractor is typically located under the hood, near the front of the tractor. For specific details, it’s best to consult the tractor’s service manual or user guide |
| Battery replacement steps | To replace the battery on a New Holland Boomer 40 tractor, first disconnect the negative terminal, then the positive terminal. Next, remove the old battery and install the new one, connecting the positive terminal first, followed by the negative terminal |
| Bad battery symptoms | A weak or dead battery in a New Holland Boomer 40 tractor often causes clicking sounds when turning the key, dim or flickering dashboard lights, and no engine cranking at all |
| 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.


