The John Deere 1545 tractor tire size is front 23×12-12 and the rear is 20×10-10.
Front tire23×12-12
Rear tire20×10-10
Front/rear setupDifferent front and rear tire sizes
Tire pressure26 PSI, 20 PSI
Rim diameter12 in front, 10 in rear
John Deere 1545 Tire Size Details
Front tire size
23×12-12
Rear tire size
20×10-10
Front/rear setup
Different front and rear tire sizes
Original factory tire size
Front 26×12-12, Rear 20×10-10
Replacement tire size
Front 20×10-10, Rear 26×12-12
R1 ag tire size
26×12-12, 20×10-10
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
12 in
Rear section width
10 in
Front rim diameter
12 in
Rear rim diameter
10 in
Approx front overall diameter
about 23 in
Approx rear overall diameter
about 20 in
Tire pressure
26 PSI, 20 PSI
Tire size alternatives / conversions
26×12-12, 20×10-10
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
10 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 1545 Extra Tire Notes
Tire size note
The John Deere 1545 uses different front and rear tire sizes in this data: front 23×12-12 (12 in rim, 12 in width) and rear 20×10-10 (10 in rim, 10 in width)
Pressure note
For the John Deere 1545 with front 23×12-12 and rear 20×10-10 tires, the pressure values captured in the answer are 26 PSI, 20 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 1545 data shows front 23×12-12 and rear 20×10-10. 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.
