John Deere 4066M Battery Size (Group 51) + Replacement Guide
Quick answer: The John Deere 4066M battery size is listed as Group 51, 12 V, 9.38 × 5.06 × 8.75 in. Battery sizeGroup 51 Voltage12 V Case size9.38 × 5.06 × 8.75 in John Deere 4066M Battery Specs Battery size / group Group 51 Battery voltage 12 V Battery dimensions 9.38 × 5.06 × 8.75 … Read more