Kubota BX1850 Battery Size (Group 26R) + Replacement Guide

Quick answer:

The Kubota BX1850 tractor battery specs found are Group 26R, 12 V (verify with operator manual), 450 CCA, 8.19 × 6.81 × 7.75 in.

Battery sizeGroup 26R
Voltage12 V (verify with operator manual)
CCA450 CCA
Case size8.19 × 6.81 × 7.75 in

Kubota BX1850 Battery Specs

Battery size / group Group 26R
Battery voltage 12 V (verify with operator manual)
Battery CCA 450 CCA
Battery dimensions 8.19 × 6.81 × 7.75 in

Battery Spec Benchmarks

CCA benchmark

This model

450 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

8.19 in

Average

9.8 in

Low

7.75 in

High

13 in

Benchmarks are general reference ranges for compact tractor batteries.

Kubota BX1850 Battery FAQ

Replacement battery recommendation For the Kubota BX1850 tractor, use a battery that matches Group 26R, 450 CCA or higher, case size around 8.19 × 6.81 × 7.75 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 BX1850 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 BX1850 tractor is Group 26R.
Battery CCA found The battery CCA figure found for the Kubota BX1850 tractor is 450 CCA.
Battery replacement steps On the Kubota BX1850, treat the battery swap as a fitment job, not just a voltage match. Use a battery matching 12 V (verify with operator manual), Group 26R, 450 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 BX1850, a battery below the needed 450 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.