The Kubota L3301 tractor uses a 12-volt starting battery with a published rating of 580 CCA and 110 minutes of reserve capacity. The published battery designation is 75D23R. Its electrical setup uses negative ground and Alternator (40 A).
How this battery compares
Benchmarked only against other compact/subcompact tractor models in this researched Kubota dataset.
Battery specification
Published model-specific battery data
Charging system
Alternator / dynamo and charging data
Replacement battery
What to match when buying
Model details
Identity and research coverage
Choosing a replacement battery
Electrical rating and physical fit both matter
Use a 12V replacement that meets or exceeds the published 580 CCA rating, then match the original case dimensions, terminal orientation and hold-down.
What battery size fits the Kubota L3301?
Quick answer
The published fitment is 75D23R. Match that designation plus the original terminal orientation, case dimensions and hold-down before buying a replacement.
Why does the Kubota L3301 use a 580 CCA battery?
Quick answer
The published rating is 580 CCA, which is on the high side for the compact/subcompact tractor models in this dataset. That stronger starting reserve makes sense for a larger diesel or higher starting load. Do not replace it with a materially weaker battery just because it fits the tray.
Can I use a higher-CCA battery in the Kubota L3301?
Quick answer
Yes, but there is usually little benefit in going far above the already-high 580 CCA rating. Prioritize correct dimensions, terminal position and battery quality over chasing the biggest CCA number.
What does the 110-minute reserve capacity mean on the Kubota L3301?
Quick answer
The published reserve capacity is 110 minutes, which is strong for this class. That gives useful extra electrical reserve if the alternator output drops temporarily or accessories are drawing power.
What is the advantage of the Kubota L3301 40 A alternator?
Quick answer
The charging system is rated at 40 A, high for this equipment class. That gives more headroom for cab electronics, lighting and accessory loads while still replenishing the starting battery.






