John Deere 5125R Tire Size + Front & Rear Tractor Tire Guide

Quick answer:

The John Deere 5125R tractor tire size is front 12.4R24 and the rear is 18.4R30.

Front tire12.4R24
Rear tire18.4R30
Front/rear setupDifferent front and rear tire sizes
Tire pressure30 PSI, 12 PSI
Rim diameter24 in front, 30 in rear

John Deere 5125R Tire Size Details

Front tire size 12.4R24
Rear tire size 18.4R30
Front/rear setup Different front and rear tire sizes
R1 ag tire size 12.4R24, 18.4R30, 11.2R28, 13.6R38
Front tire construction Imperial radial
Rear tire construction Imperial radial
Front section width 12.4 in
Rear section width 18.4 in
Front rim diameter 24 in
Rear rim diameter 30 in
Tire pressure 30 PSI, 12 PSI
Tire size alternatives / conversions 12.4R24, 18.4R30, 11.2R28, 13.6R38

Tire Size Comparison Chart

Front rim diameter comparison

This model

24 in

Average

17.1 in

Low

4 in

High

50 in

Rear rim diameter comparison

This model

30 in

Average

25.5 in

Low

0 in

High

50 in

John Deere 5125R Extra Tire Notes

Tire size note The John Deere 5125R uses different front and rear tire sizes in this data: front 12.4R24 (24 in rim, 12.4 in width) and rear 18.4R30 (30 in rim, 18.4 in width)
Pressure note For the John Deere 5125R with front 12.4R24 and rear 18.4R30 tires, the pressure values captured in the answer are 30 PSI, 12 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Front/rear matching note The John Deere 5125R data shows front 12.4R24 and rear 18.4R30. When changing either size, front/rear rolling circumference and lead/lag need to stay within the correct range
Official information note

Mistakes do happen. Tire sizes can change by year, axle, wheel/rim option, tyre brand, tread type and local market. Please check the tire sidewall, operator manual and official deere.com website for official information.