The John Deere 9630 tractor tire size is front 710/70R38 and the rear is 480/80R46.
Front tire710/70R38
Rear tire480/80R46
Front/rear setupDifferent front and rear tire sizes
Rim diameter38 in front, 46 in rear
John Deere 9630 Tire Size Details
Front tire size
710/70R38
Rear tire size
480/80R46
Front/rear setup
Different front and rear tire sizes
Original factory tire size
Front 710/70R38, Rear 18.4R46
Replacement tire size
Front 380/80R38, Rear 480/80R50
R1 ag tire size
18.4R46, 14.9R24
Front tire construction
Metric radial
Rear tire construction
Metric radial
Front section width
710 mm
Rear section width
480 mm
Front aspect ratio
70%
Rear aspect ratio
80%
Front rim diameter
38 in
Rear rim diameter
46 in
Approx front overall diameter
about 77.1 in
Approx rear overall diameter
about 76.2 in
Tire size alternatives / conversions
520/85R38, 600/70R38
Tire Size Comparison Chart
Front rim diameter comparison
This model
38 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
46 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 9630 Extra Tire Notes
Tire size note
The John Deere 9630 uses different front and rear tire sizes in this data: front 710/70R38 (38 in rim, 710 mm width) and rear 480/80R46 (46 in rim, 480 mm width)
Front/rear matching note
The John Deere 9630 data shows front 710/70R38 and rear 480/80R46. 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.
