Crossfire - Dual Tyre Equalisation System
DATASHEET 17.5" & 22.5" SP111
TYRE SIZE TREAD PATTERN LOAD INDEX / SPEED SYMBOL MAXIMUM LOAD PER AXLE (kg)   MAXIMUM INFLATION PRESSURE   RECOMMENDED RIMS (ins) MIN DUAL SPACING (mm) NEW TYRE INFLATED DIMENSIONS (mm)       REVS PER  
( PATTERN INDEX LOAD   INFLATION   MENDED DUAL MM)       REVS  
      SINGLE DUAL BAR PSI     SECTION WIDTH OVERALL DIAMETER LOADED STATIC RADIUS ROLLING CIRCUMFERENCE km mile
8.5R17.5 SP111 121/120L 2900 5600 6.25 91 5.25 233 207            
              6.00 242 215 802 374 2445 409 658
9.5R17.5 SP111 129/127L 3700 7000 7.50 109 6.00 261 232            
              6.75 270 240 842 391 2565 390 628  
10R17.5 SP111 134/132K 4240 8000 8.00 116 6.75 277 246          
              7.50 286 254 858 398 2615 382 615
9R22.5 SP111 133/131L 4120 7800 6.75 98 6.00 250 222          
              6.75 259 230 970 455 2955 338 544
LOAD CAPACITY (KG) PER AXLE--SINGLE/DUAL:INFLATION PRESSURES
TYRE SIZE BAR 5.50 5.75 6.00 6.25 6.50 6.75 7.00 7.25 7.50 7.75 8.00
  PSI 80 84 87 91 94 98 102 106 109 113 116
8.5R17.5 SINGLE 2620 2710 2810 2900              
  DUAL 5060 5240 5420 5600              
9.5R17.5 SINGLE 2890 2990 3090 3200 3300 3400 3500 3600 3700    
  DUAL 5440 5620 5820 6020 6200 6400 6620 6820 7000    
10R17.5 SINGLE 3130 3250 3360 3470 3580 3690 3800 3910 4020 4130 4240
  SINGLE 5940 6160 6360 6580 6780 7000 7200 7400 7600 7800 8000
9R22.5 SINGLE 3500 3620 3750 3870 4000 4120          
  SINGLE 6620 6860 7100 7340 7560 7800