The John Deere 7815 tractor tire size is front 16.9-30 and the rear is 20.8-42.
Front tire16.9-30
Rear tire20.8-42
Front/rear setupDifferent front and rear tire sizes
Rim diameter30 in front, 42 in rear
John Deere 7815 Tire Size Details
Front tire size
16.9-30
Rear tire size
20.8-42
Front/rear setup
Different front and rear tire sizes
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
16.9 in
Rear section width
20.8 in
Front rim diameter
30 in
Rear rim diameter
42 in
Tire size alternatives / conversions
16.9-30, 20.8-42, 600/65R28, 710/70R38
Tire Size Comparison Chart
Front rim diameter comparison
This model
30 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
42 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 7815 Extra Tire Notes
Tire size note
The John Deere 7815 uses different front and rear tire sizes in this data: front 16.9-30 (30 in rim, 16.9 in width) and rear 20.8-42 (42 in rim, 20.8 in width)
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.
