Kubota M105D Battery Size (Group 51R) + Replacement Guide

Quick answer:

The Kubota M105D tractor battery specs found are Group 51R, 12 V (verify with operator manual), 800 CCA, 9.38 × 5.06 × 8.75 in.

Battery sizeGroup 51R
Voltage12 V (verify with operator manual)
CCA800 CCA
Case size9.38 × 5.06 × 8.75 in

Kubota M105D Battery Specs

Battery size / group Group 51R
Battery voltage 12 V (verify with operator manual)
Battery CCA 800 CCA
Battery dimensions 9.38 × 5.06 × 8.75 in

Battery Spec Benchmarks

CCA benchmark

This model

800 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

9.38 in

Average

11.3 in

Low

9.38 in

High

13 in

Benchmarks are general reference ranges for utility tractor batteries.

Kubota M105D Battery FAQ

Replacement battery recommendation For the Kubota M105D tractor, use a battery that matches Group 51R, 800 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 M105D 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 M105D tractor is Group 51R.
Battery CCA found The battery CCA figure found for the Kubota M105D tractor is 800 CCA.
Battery replacement steps Before replacing the battery on the Kubota M105D, confirm the new battery matches 12 V (verify with operator manual), Group 51R, 800 CCA. Turn the tractor off, remove the key, disconnect the negative cable first, then disconnect the positive cable. Fit the new battery securely, connect positive first, then reconnect negative.
Bad battery symptoms With a 12 V (verify with operator manual), Group 51R, 800 CCA setup, the Kubota M105D 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.