John Deere 70R Tire Size + Front & Rear Tractor Tire Guide

Quick answer:

The John Deere 70R tractor tire size is front 6.00-16 and the rear is 12-38.

Front tire6.00-16
Rear tire12-38
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter16 in front, 38 in rear
Ballast1,270 kg, 2,794 lb

John Deere 70R Tire Size Details

Front tire size 6.00-16
Rear tire size 12-38
Front/rear setup Different front and rear tire sizes
R1 ag tire size 15-30, 14-30
Front tire construction Bias/imperial tire
Rear tire construction Bias/imperial tire
Front section width 6 in
Rear section width 12 in
Front rim diameter 16 in
Rear rim diameter 38 in
Tire pressure 35 PSI, 18 PSI
Loaded rear tire ballast / fluid capacity 1,270 kg, 2,794 lb

Tire Size Comparison Chart

Front rim diameter comparison

This model

16 in

Average

17.1 in

Low

4 in

High

50 in

Rear rim diameter comparison

This model

38 in

Average

25.5 in

Low

0 in

High

50 in

John Deere 70R Extra Tire Notes

Tire size note The John Deere 70R uses different front and rear tire sizes in this data: front 6.00-16 (16 in rim, 6 in width) and rear 12-38 (38 in rim, 12 in width)
Pressure note For the John Deere 70R with front 6.00-16 and rear 12-38 tires, the pressure values captured in the answer are 35 PSI, 18 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Ballast note For the John Deere 70R rear 12-38 tires, the ballast figure captured in the answer is 1,270 kg, 2,794 lb. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type
Front/rear matching note The John Deere 70R data shows front 6.00-16 and rear 12-38. 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.