The John Deere 855 tractor tire size is front 23×8.50-12 and the rear is 33×12.50-15.
Front tire23×8.50-12
Rear tire33×12.50-15
Front/rear setupDifferent front and rear tire sizes
Tire pressure20 PSI, 35 PSI
Rim diameter12 in front, 15 in rear
John Deere 855 Tire Size Details
Front tire size
23×8.50-12
Rear tire size
33×12.50-15
Front/rear setup
Different front and rear tire sizes
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
8.5 in
Rear section width
12.5 in
Front rim diameter
12 in
Rear rim diameter
15 in
Approx front overall diameter
about 23 in
Approx rear overall diameter
about 33 in
Tire pressure
20 PSI, 35 PSI
Tire Size Comparison Chart
Front rim diameter comparison
This model
12 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
15 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 855 Extra Tire Notes
Tire size note
The John Deere 855 uses different front and rear tire sizes in this data: front 23×8.50-12 (12 in rim, 8.5 in width) and rear 33×12.50-15 (15 in rim, 12.5 in width)
Pressure note
For the John Deere 855 with front 23×8.50-12 and rear 33×12.50-15 tires, the pressure values captured in the answer are 20 PSI, 35 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
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.
