Kubota M135G Battery Size (Group 31) + Replacement Guide

Quick answer:

The Kubota M135G tractor battery specs found are Group 31, 12 V, 13 × 6.81 × 9.44 in.

Battery sizeGroup 31
Voltage12 V
Case size13 × 6.81 × 9.44 in

Kubota M135G Battery Specs

Battery size / group Group 31
Battery voltage 12 V
Battery dimensions 13 × 6.81 × 9.44 in

Battery Spec Benchmarks

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 M135G Battery FAQ

Replacement battery recommendation For the Kubota M135G tractor, use a battery that matches 12 V, Group 31, case size around 13 × 6.81 × 9.44 in. Also match the terminal layout, hold-down style and battery tray clearance before buying.
Battery voltage found The battery voltage found for the Kubota M135G tractor is 12 V.
Battery group size found The battery group size found for the Kubota M135G tractor is Group 31.
Battery replacement steps When swapping the Kubota M135G battery, match the replacement to 13 × 6.81 × 9.44 in and keep the same terminal layout. Shut the tractor down fully, remove negative first and positive second. After the new battery is seated and clamped, connect the positive cable first, followed by the negative cable.
Bad battery symptoms For the Kubota M135G, a battery below the needed the normal CCA rating 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.