Metric | English
620/75R26 (23.1R26) TL 166A8/166B MegaXbib
MSPN 89936 CAI 614320
Tire Technical Data
Unloaded Dimensions Loaded Dimensions Rims (rec. in bold)
Overall Width Overall Diameter Loaded Radius Rolling Circumference DW20A
DW18L
23.1 in 63.1 in 28.0 in 186.9 in
RCI # of Lugs Tube MSPN Tube CAI
43 18 x 2 24601 823746
Gross Flat Plate Tire Weight 100% Tire Volume Centerline Tread Depth Minimum Dual / Triple Spacing
395.2 in² 410.1 lb 181.8 gal 58 /32nd" 31.5 in
Load & Inflation Data
Load Per Tire (Single)
25 mph 20 mph 15 mph 05 mph 6 Cyc  Inflation Pressure
6,310 lbs 6,750 lbs 6,990 lbs 8,620 lbs 9,720 lbs 14 psi
6,880 lbs 7,360 lbs 7,640 lbs 9,350 lbs 10,330 lbs 17 psi
8,030 lbs 8,600 lbs 8,930 lbs 10,800 lbs 11,530 lbs 23 psi
8,940 lbs 9,570 lbs 9,940 lbs 12,030 lbs 13,040 lbs 29 psi
9,860 lbs 10,550 lbs 10,950 lbs 13,250 lbs 14,560 lbs 35 psi
10,770 lbs 11,530 lbs 11,950 lbs 14,480 lbs 16,070 lbs 41 psi
11,690 lbs 12,500 lbs 12,960 lbs 15,700 lbs 17,600 lbs 46 psi
- - - 16,310 lbs 18,360 lbs 49 psi
- - - 16,920 lbs 19,110 lbs 52 psi
- - - 17,530 lbs 19,870 lbs 55 psi
General Notes Pertaining To Load and Inflation Data Above
  • Load Values given at 6 psi for 25 mph and 30 mph are for calculating dual and triple load values only.
  • All load values are for maximum indicated speeds at low torque.
  • 20 mph load values also apply for low-speed high-torque field work.
  • High-Speed Cyclic (HS Cyclic) load-pressure data applies to low-torque spreading or spraying at field operating speeds up to 20 mph. Additional bonus loads permitted for this type application assume a rapid decrease from full to empty, where max load at max speed (20 kph) does not occur more than 15% of any work day.
  • Cyclic load-pressure data applies to low-torque harvesting type applications at field operating speeds up to 6 mph. Additional bonus loads permitted for cyclic applications assume a gradual load increase with unloading in the field.
  • Load & Carry load-pressure data applies to low-torque transport operations at max speeds of 6 mph for a max distance of 650 yards before discharging load and returning empty.
  • All load-speed-pressure data is valid for ground slopes up to and including 20%. When operating on slopes greater than 20%, please contact Michelin.
  • For moldboard plowing with single drive tires in the furrow, a minimum inflation pressure of 10 psi is required.
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