Kubota M115D Battery Size (Group 31) + Replacement Guide

Quick answer:

The Kubota M115D tractor battery specs found are Group 31, 12 V (verify with operator manual), 900 CCA, 13 × 6.81 × 9.44 in.

Battery sizeGroup 31
Voltage12 V (verify with operator manual)
CCA900 CCA
Case size13 × 6.81 × 9.44 in

Kubota M115D Battery Specs

Battery size / group Group 31
Battery voltage 12 V (verify with operator manual)
Battery CCA 900 CCA
Battery dimensions 13 × 6.81 × 9.44 in

Battery Spec Benchmarks

CCA benchmark

This model

900 CCA

Average

750 CCA

Low

500 CCA

High

1100 CCA

Voltage benchmark

This model

12 V

Average

12 V

Low

12 V

High

12 V

Case length benchmark

This model

13 in

Average

11.3 in

Low

9.38 in

High

13 in

Benchmarks are general reference ranges for utility tractor batteries.

Kubota M115D Battery FAQ

Replacement battery recommendation For the Kubota M115D tractor, use a battery that matches Group 31, 900 CCA or higher, case size around 13 × 6.81 × 9.44 in. Also match the terminal layout, hold-down style and battery tray clearance before buying. A 12 V battery is shown as a fallback, so verify the voltage in the operator manual before ordering.
Battery voltage shown The battery voltage shown for the Kubota M115D tractor is 12 V (verify with operator manual). This was filled because the page had other battery specs but no clear voltage answer.
Battery group size found The battery group size found for the Kubota M115D tractor is Group 31.
Battery CCA found The battery CCA figure found for the Kubota M115D tractor is 900 CCA.
Battery replacement steps On the Kubota M115D, treat the battery swap as a fitment job, not just a voltage match. Use a battery matching 12 V (verify with operator manual), Group 31, 900 CCA, then disconnect negative first, positive second. Install the replacement, secure the hold-down, reconnect positive first and finish with the negative cable.
Bad battery symptoms For the Kubota M115D, a battery below the needed 900 CCA can show up as slow starter speed, random no-start issues, weak lights or repeated jump-starts.
Official information note

Mistakes do happen. Check the operator manual, service manual and official kubotausa.com website for official battery specifications before buying parts.