John Deere 40C Tire Size

Quick answer:

The John Deere 40C tractor tire size is front 200/70R16 and the rear is 320/70R24.

Front tire200/70R16
Rear tire320/70R24
Front/rear setupDifferent front and rear tire sizes
Tire pressure24 PSI, 44 PSI, 12 PSI, 14 PSI
Rim diameter16 in front, 24 in rear

John Deere 40C Tire Size Details

Front tire size 200/70R16
Rear tire size 320/70R24
Front/rear setup Different front and rear tire sizes
Original factory tire size Front 5.00-15, Rear 5.00-15
Replacement tire size Front 5.00-15, Rear 5.00-15
R1 ag tire size 11.2-24, 7.5-16
Front tire construction Metric radial
Rear tire construction Metric radial
Front section width 200 mm
Rear section width 320 mm
Front aspect ratio 70%
Rear aspect ratio 70%
Front rim diameter 16 in
Rear rim diameter 24 in
Approx front overall diameter about 27 in
Approx rear overall diameter about 41.6 in
Tire pressure 24 PSI, 44 PSI, 12 PSI, 14 PSI
Tire size alternatives / conversions 6.70-15, 11L-15

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

24 in

Average

25.5 in

Low

0 in

High

50 in

John Deere 40C Extra Tire Notes

Tire size note The John Deere 40C uses different front and rear tire sizes in this data: front 200/70R16 (16 in rim, 200 mm width) and rear 320/70R24 (24 in rim, 320 mm width)
Pressure note For the John Deere 40C with front 200/70R16 and rear 320/70R24 tires, the pressure values captured in the answer are 24 PSI, 44 PSI, 12 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 40C data shows front 200/70R16 and rear 320/70R24. 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.