Metric | English
18.4R30 TL 142A8/139B 2 Star Agribib
MSPN 42060 CAI 123844
Tire Technical Data
Unloaded Dimensions Loaded Dimensions Rims (rec. in bold)
Overall Width Overall Diameter Loaded Radius Rolling Circumference DW16L
W15L
DW15L
W16L
19.8 in 61.0 in 27.4 in 181.2 in
RCI # of Lugs Tube MSPN Tube CAI
- 19 x 2 77025 170060
Gross Flat Plate Tire Weight 100% Tire Volume Centerline Tread Depth Minimum Dual / Triple Spacing
327.5 in² 275.6 lb 124.2 gal 68 /32nd" 24.1 in
Load & Inflation Data
Load Per Tire (Single)
30 mph 25 mph 20 mph 05 mph 25 Dual  6 Cyc  Inflation Pressure
- - - - 2,290 lbs - 6 psi
- - 3,510 lbs 4,480 lbs 2,820 lbs 4,480 lbs 7 psi
3,530 lbs 3,790 lbs 4,060 lbs 5,180 lbs 3,340 lbs 5,180 lbs 9 psi
3,890 lbs 4,200 lbs 4,500 lbs 5,730 lbs 3,700 lbs 5,730 lbs 11 psi
4,260 lbs 4,610 lbs 4,940 lbs 6,280 lbs 4,060 lbs 6,280 lbs 14 psi
4,630 lbs 5,030 lbs 5,380 lbs 6,840 lbs 4,420 lbs 6,840 lbs 17 psi
4,990 lbs 5,430 lbs 5,820 lbs 7,400 lbs 4,770 lbs 7,400 lbs 20 psi
5,360 lbs 5,840 lbs 6,260 lbs 7,950 lbs 5,140 lbs 7,950 lbs 23 psi
- - - 8,500 lbs - 8,500 lbs 26 psi
- - - 8,780 lbs - 8,780 lbs 27 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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