6 secnow 30 1973 7 9 TRUCK SERIES 100 500 FRONT AXLE MODEL APPLICATION CHART MODEL PARTS LIST ILL SECT SERIES YEAR RESTRICTIONS SECTION 30 PAGE and NUMBER F250 350 4 W D 79 4500 Ib ca acity with free running hubs 3 54 ratto 30 5S 17 4500 lb ca acity with free running hubs 4 09 ratio 30 5 A 17 4500 Ib ca acity without free running hubs with 3 54 ratio 30 5R 17 4 4500 Ib ca acity without free running hubs with 4 09 ratio 30 52 17 F350 2 vv D 73 74 3 8M 20 2G 4 5 75 ui 30 2J 4 5 g P500 73 77 5M 5 5M 30 3A 1 0O 73 76 5M 30 3C 1 P350 400 73 76 3800 Ib I 30 1A A 8 R L 73 77 4700 Ib W 4 30 1B