Kubota GM82 Battery Size (Group 51R) + Replacement Guide

Quick answer:

The Kubota GM82 tractor battery specs found are Group 51R, 12 V (verify with operator manual), 500 CCA, 9.38 × 5.06 × 8.75 in.

Battery sizeGroup 51R
Voltage12 V (verify with operator manual)
CCA500 CCA
Case size9.38 × 5.06 × 8.75 in

Kubota GM82 Battery Specs

Battery size / group Group 51R
Battery voltage 12 V (verify with operator manual)
Battery CCA 500 CCA
Battery dimensions 9.38 × 5.06 × 8.75 in

Battery Spec Benchmarks

CCA benchmark

This model

500 CCA

Average

550 CCA

Low

300 CCA

High

800 CCA

Voltage benchmark

This model

12 V

Average

12 V

Low

12 V

High

12 V

Case length benchmark

This model

9.38 in

Average

9.8 in

Low

7.75 in

High

13 in

Benchmarks are general reference ranges for compact tractor batteries.

Kubota GM82 Battery FAQ

Replacement battery recommendation For the Kubota GM82 tractor, use a battery that matches Group 51R, 500 CCA or higher, case size around 9.38 × 5.06 × 8.75 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 GM82 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 GM82 tractor is Group 51R.
Battery CCA found The battery CCA figure found for the Kubota GM82 tractor is 500 CCA.
Battery replacement steps On the Kubota GM82, treat the battery swap as a fitment job, not just a voltage match. Use a battery matching 12 V (verify with operator manual), Group 51R, 500 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 With a 12 V (verify with operator manual), Group 51R, 500 CCA setup, the Kubota GM82 should crank cleanly. If it clicks, cranks slowly, loses charge overnight or needs boosting often, the battery is suspect.
Official information note

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