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I have a RT8S tiller that I bought without a battery and now would like to install one. Does anyone know what battery it takes?

Thanks!

https://c.searspartsdirect.com/mmh/lis_pdf/OWNM/L0808273.pdf

see page 7

tractor supply or your local auto parts store, make sure your battery has 300 or more CCA'S cold cranking amps. & is fully charged