The John Deere 630 tractor tire size is front 6.00-16 and the rear is 12.4-38.
Front tire6.00-16
Rear tire12.4-38
Front/rear setupDifferent front and rear tire sizes
Tire pressure30 PSI, 14 PSI
Rim diameter16 in front, 38 in rear
John Deere 630 Tire Size Details
Front tire size
6.00-16
Rear tire size
12.4-38
Front/rear setup
Different front and rear tire sizes
Original factory tire size
Front 6.00-16, Rear 13-30
R1 ag tire size
6.00-16, 6.50-18, 13-30, 14-30
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
6 in
Rear section width
12.4 in
Front rim diameter
16 in
Rear rim diameter
38 in
Tire pressure
30 PSI, 14 PSI
Tire size alternatives / conversions
6.00-16, 13-30, 460/85R30
Tire Size Comparison Chart
Front rim diameter comparison
This model
16 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
38 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 630 Extra Tire Notes
Tire size note
The John Deere 630 uses different front and rear tire sizes in this data: front 6.00-16 (16 in rim, 6 in width) and rear 12.4-38 (38 in rim, 12.4 in width)
Pressure note
For the John Deere 630 with front 6.00-16 and rear 12.4-38 tires, the pressure values captured in the answer are 30 PSI, 14 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 630 data shows front 6.00-16 and rear 12.4-38. 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.
