The John Deere 5100R tractor tire size is front 12.4R24 and the rear is 540/65R38.
Front tire12.4R24
Rear tire540/65R38
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter24 in front, 38 in rear
John Deere 5100R Tire Size Details
Front tire size
12.4R24
Rear tire size
540/65R38
Front/rear setup
Different front and rear tire sizes
Original factory tire size
Front 12.4R24, Rear 18.4R30
Replacement tire size
Front 13.6R24, Rear 16.9R34
R1 ag tire size
12.4R24, 18.4R30
Front tire construction
Imperial radial
Rear tire construction
Metric radial
Front section width
12.4 in
Rear section width
540 mm
Rear aspect ratio
65%
Front rim diameter
24 in
Rear rim diameter
38 in
Approx rear overall diameter
about 65.6 in
Tire pressure
35 PSI, 18 PSI
Tire size alternatives / conversions
6.50-16, 16×6.50-8, 420/85R34
Tire Size Comparison Chart
Front rim diameter comparison
This model
24 in
Average
14.8 in
Low
6 in
High
28 in
Rear rim diameter comparison
This model
38 in
Average
22.2 in
Low
6 in
High
38 in
John Deere 5100R Extra Tire Notes
Tire size note
The John Deere 5100R uses different front and rear tire sizes in this data: front 12.4R24 (24 in rim, 12.4 in width) and rear 540/65R38 (38 in rim, 540 mm width)
Pressure note
For the John Deere 5100R with front 12.4R24 and rear 540/65R38 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
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.
