BIAS GRADER AND COMPACTOR LOAD / INFLATION TABLES GRADER 40 KM/H = 25 MPH MAX SPEED CONVENTIONAL BIAS TIRES DISTANCE = UNLIMITED FIGURES IN PARENTHESES DENOTE PLY RATING WHICH BOLD FACE LOADS AND INFLATIONS ARE MAXIMUM TIRE SIZE DESIGNATION TIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES kPa 140 160 180 200 220 240 260 280 300 325 350 375 400 425 450 475 500 psi 18 22 25 29 33 36 40 44 47 51 51 54 58 62 65 69 73 9.00-20 kg 955 1035 1110 1180 1245 1310 1375 1435 1495 1565 1635 1700 1770 1850 (12)       lbs. 2110 2280 2450 2600 2740 2890 3040 3160 3300 3460 3600 3740 3900 4060 (12)       10.00-20 kg 1080 1170 1255 1335 1410 1485 1555 1625 1690 1770 (10) 1850 1925 1961 2032 2150 (14)     lbs. 2380 2580 2770 2940 3100 3280 3420 3580 3720 3900 (10) 4080 4240 4323 4480 4760 (14)     11.00-20 kg 1175 1275 1365 1450 1535 1615 1690 1765 1840 1925 (10) 2010 2095 (12) 2180 2240 2300 2430 2500 (16) lbs. 2590 2810 3000 3200 3380 3560 3720 3900 4060 4240 (10) 4440 4620 (12) 4800 4940 5080 5360 5500 (16) TIRE SIZE DESIGNATION TIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES     kPa 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475     psi 18 22 25 29 33 36 40 44 47 51 51 54 58 65 69     12.00-24 kg 1450 1600 1750 1900 (8)                           lbs. 3200 3520 3860 4180 (8)                           13.00-24 kg 1700 1900 2060 (8) 2240  2360 (10) 2500 2650 2725 (12) 2900 3075 (16)               lbs. 3740 4180 4540 (8) 4940  5200 (10) 5520 5840 6000 (12) 6400 6800 (16)               14.00-24 kg 1060 2300 2500 2650 2800 (10) 3075 (12) 3250 3450 3550 3650 (16) 4000 4125 4250 4375 4500 (20)     lbs. 4540 5080 5520 5840 6150 (10) 6800 (12) 7150 7600 7850 8050 (16) 8800 9100 9350 9650 9900 (20)     16.00-24 kg 2650 3000 3250 3450 3650 (12) 4000 4250 4500 (16)                   lbs. 5840 6600 7150 7600 8050 (12) 8800 9350 9900 (16)                   GRADER 40 KM/H = 25 MPH MAX SPEED WIDE BASE BIAS TIRES DISTANCE = UNLIMITED FIGURES IN PARENTHESES DENOTE PLY RATING WHICH BOLD FACE LOADS AND INFLATIONS ARE MAXIMUM TIRE SIZE DESIGNATION TIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES kPa 125 150 175 200 225 250 275 psi 18 22 25 29 33 36 40 17.5-25 kg 2120 2360 2575 2900 (12) 3000 3150 3350 (16) lbs. 4680 5200 5680 6400 (12) 6600  6950 7400 (16) 20.5-25 kg 2800 3150 3550 (12) 3750 4000 4250 4500 (20) lbs. 6150 6950 7850 (12) 8250 8800  9350 9900 (20) 23.5-25 kg 3650 4000  4375 4750 (16)       lbs. 8050 8800  9650 10500 (16)       The variation in load caring capacity with operating speed OPERATING SPEED G    km/h   mph - STATIC STATIC CREEP CREEP 4 2.5 10 5 15 9 20 12 25 15 30 19 35 22 40 25 0 45 28 - 50 30 -9% 55 34 - 60 37 -18% 65 40 -27% 70 44   75 47 80 50 80< 50<   Reference speed for calculating load variance COMPACTOR 10 KM/H = 5 MPH MAX SPEED                                                             CONVENTIONAL BIAS TIRESDIST ANCE = UNLIMITED FIGURES IN PARENTHESES DENOTE PLY RATING WHICH BOLD FACE LOADS AND INFLATIONS ARE MAXIMUM TIRE SIZE DESIGNATION TIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES kPa 240 260 280 300 325 350 375 400 425 450 475 500 525 550 575 600 625 650 675 700 725 750 775 800 825 psi 35 38 41 44 47 51 54 58 62 65 69 73 76 80 83 87 91 94 98 102 105 109 112 116 120 95/65-15 kg 1100 1155 1205 1255 1315 (6)                                         lbs. 2430 2550 2560 2770 2900 (6)                                         7.50-16 kg 1405 1470 1535 1600 1675 1750 1820 1890 (6)                                   lbs. 3100 3240 3380 3530 3690 3860 4010 4170 (6)                                   10.5/80-16 kg 1645 1725 1800 1875 (6)                                           lbs. 3630 3800 3970 4130 (6)                                           12.00-16 kg 2830 2965 3095 3220 3375 3525 3670 3815 3950 4085 (10)                               lbs. 6250 6550 6800 7100 7450 7750 9100 9400 9700 9000 (10)                               8.25-20 kg 1935 2025 2115 2200 2310 2410 2510 2605 2700 2790 2880 2970 3055 3140 3225 (10)                     lbs. 4270 4460 4660 4850 5090 5310 5330 5740 5950 6150 6350 6550 6750 6900 7100 (10)                     9.00-20 kg           2900 3000 3150 3250 3350 3450 3550 3650 (10)                         lbs.           6400 6600 6950 7150 7400 7600 7850 8050 (10)                         11.00-20 kg           3550 3750 3875 4000 4125 4250 4375 4500 4750 (12) 4750 4875 5000 5150 5300 5300 5450 5600 5600 5800 5800 (18) lbs.           7850 8250 8550 8800 9100 9350 9650 9900 10500 (12) 10500 10700 11000 11400 11700 11700 12000 12300 12300 12800 12800 (18) 14/70-20 kg 2775 2905 3035 3160 3310 3460 3600 3740 3875 4005 (12)                               lbs. 6100 6400 6700 6950 7300 7650 7950 8250 8550 8850 (12)                               TIRE SIZE DESIGNATION TIRE LOAD LIMITS AT VARIOUS COLD INFLATION PRESSURES kPa 510 550 580 620 650 685 720 755 790 825 860 895 930 965 1000                     psi 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145                     12.00-20 kg 5125 5305 5490 (14)                                             lbs. 11300 11700 12100 (14)                                             13.00-24 kg 6665 6895 7165 7395 7665 7890 8120 8345 8525 8755 8980 9160 9390 9570 9795 (26)                     lbs. 14700 15200 15800 16300 16900 17400 17900 18400 18800 19300 19800 20200 20700 21100 21600 (26)
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