The John Deere E140 tractor tire size is front 15×6-6 and the rear is 20×10-8.
Front tire15×6-6
Rear tire20×10-8
Front/rear setupDifferent front and rear tire sizes
Tire pressure14 PSI, 10 PSI
Rim diameter6 in front, 8 in rear
Ballast150 lb
John Deere E140 Tire Size Details
Front tire size
15×6-6
Rear tire size
20×10-8
Front/rear setup
Different front and rear tire sizes
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
6 in
Rear section width
10 in
Front rim diameter
6 in
Rear rim diameter
8 in
Approx front overall diameter
about 15 in
Approx rear overall diameter
about 20 in
Tire pressure
14 PSI, 10 PSI
Loaded rear tire ballast / fluid capacity
150 lb
Tire size alternatives / conversions
15×6.00-6, 20×10.00-8
Tire Size Comparison Chart
Front rim diameter comparison
This model
6 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
8 in
Average
25.5 in
Low
0 in
High
50 in
John Deere E140 Extra Tire Notes
Tire size note
The John Deere E140 uses different front and rear tire sizes in this data: front 15×6-6 (6 in rim, 6 in width) and rear 20×10-8 (8 in rim, 10 in width)
Pressure note
For the John Deere E140 with front 15×6-6 and rear 20×10-8 tires, the pressure values captured in the answer are 14 PSI, 10 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Ballast note
For the John Deere E140 rear 20×10-8 tires, the ballast figure captured in the answer is 150 lb. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type
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.
