TIRE CHART

K-Tec scrapers are delivered to dealerships and end-users with an accurate tire pressure rating according to the tire manufacturer’s specifications. Please ensure that your scraper operation maintains the proper pressure ratings, max load ratings, and haul road speeds as indicated on the chart below:

SCRAPER TIRE PRESSURE CHART – IMPERIAL

MAX LOAD RATING BY SPEED

wdt_ID TIRE SIZE SCRAPER MODEL PSI 6 MPH 12 MPH 19 MPH 25 MPH 31 MPH
1 23.5R25 ** 1228, 1233, 1236, 1237 94 31,967 26,852 24,603 22,376 20,392
2 23.5R25 *** 1228, 1233, 1236, 1237 116 37,478 31,482 28,858 26,235 23,611
3 26.5R25 ** 1233, 1237, 1243 94 40,786 34,259 31,393 28,549 25,353
4 26.5R25 *** 1233/ 1237 Lead, 1243 116 46,738 39,242 35,979 32,716 29,101
5 29.5R25 ** 1243, 1263 94 49,383 41,468 38,007 34,568 30,864
6 29.5R29 ** 1243, 1263 94 52,029 43,695 40,057 36,420 33,069
7 29.5R29 *** 1243, 1263 116 60,075 50,463 46,054 42,053 37,842
8 24.00R35 ** 1243, 1263 116 52,910 44,753 43,210 41,887 40,785

SCRAPER TIRE PRESSURE CHART – METRIC

MAX LOAD RATING BY SPEED

wdt_ID TIRE SIZE SCRAPER MODEL MAX. BAR kPa 10 KMH 20 KMH 30 KMH 40 KMH 50 KMH
1 23.5R25 ** 1228, 1233, 1236, 1237 6.50 648 14,500 12,180 11,160 10,150 9,250
2 23.5R25 *** 1228, 1233, 1236, 1237 8.00 799 17,000 14,280 13,090 11,900 10,710
3 26.5R25 ** 1233, 1237, 1243 6.50 648 18,500 15,540 14,240 12,950 11,500
4 26.5R25 *** 1233/ 1237 Lead, 1243 8.00 799 21,200 17,800 16,320 14,840 13,200
5 29.5R25 ** 1243, 1263 6.50 648 22,400 18,810 17,240 15,680 14,000
6 29.5R29 ** 1243, 1263 6.50 648 23,600 19,820 18,170 16,520 15,000
7 29.5R29 *** 1243, 1263 8.00 799 27,250 22,890 20,890 19,075 17,165
8 24.00R35 ** 1243, 1263 8.00 799 24,000 20,300 19,600 19,000 18,500

Please note: The recommended tire pressure chart is based on the tire manufacturers suggested tire pressure and load ratings, and is subject to change with out notice. This chart displays the current information at this date, but may be subject to change at any time at the discretion of K-Tec Earthmovers Inc.

Please refer to the K-Tec Earthmover’s serial plate located on the left sidewall for actual Earthmover load capacity. See K-Tec’s Operators Manual for further information.