Kubota BX1870 Battery Size (Group 51R) + Replacement Guide

Quick answer:

The Kubota BX1870 tractor battery specs found are Group 51R, 12 V, 850 CCA, 9.38 × 5.06 × 8.75 in.

Battery sizeGroup 51R
Voltage12 V
CCA850 CCA
Case size9.38 × 5.06 × 8.75 in

Kubota BX1870 Battery Specs

Battery size / group Group 51R
Battery voltage 12 V
Battery CCA 850 CCA
Battery dimensions 9.38 × 5.06 × 8.75 in

Battery Spec Benchmarks

CCA benchmark

This model

850 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 BX1870 Battery FAQ

Replacement battery recommendation For the Kubota BX1870 tractor, use a battery that matches 12 V, Group 51R, 850 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.
Battery voltage found The battery voltage found for the Kubota BX1870 tractor is 12 V.
Battery group size found The battery group size found for the Kubota BX1870 tractor is Group 51R.
Battery CCA found The battery CCA figure found for the Kubota BX1870 tractor is 850 CCA.
Battery replacement steps On the Kubota BX1870, treat the battery swap as a fitment job, not just a voltage match. Use a battery matching 12 V, Group 51R, 850 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 Common weak battery signs on the Kubota BX1870 include slow cranking, rapid clicking when turning the key, dim lights, intermittent no-start problems and needing frequent 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.