4 section 86 1973 79 TRUCK SERIES 100 500 ENGINE YEAR MODEL RESTRICTIONS CYL C I D PART NUMBER BLADES DIAMETER TR HOLE DESCRIPTION QTY C C D INCHES INCHES 8600 FAN BLADE ASSY C0nt d Not used in noise level restriction areas AUse in noise level restriction areas F Series 73 75 F100 250 S C or A C 8 460 D3TZ 8600 8 7 19 2 5 8 H 1 W 73 76 F350 X C or A C 8 460 1 Before Ser A25 001 76 F350 A C From Ser A25 001 8 460 73 75 F100 350 trailer towing 8 460 1 package Before Ser X00 001 74 75 F150 250 S X C A C or 8 39041 8 1 trailer towing package Before Ser W00 001 74 75 F350 X C A C or trailer 8 390 4 B 1 towing package 75 F150 250 S c or A c 8 390 4 8 1 From Ser W00 001 to X00 001 75 76 F150 250 S c or c 8 390 4 8 DOTZ 8600 C 5 19 1 2 5 8 DOTA F 1 From Ser W00 00l 75 76 F350 S C From Ser W00 001 8 390 4 B 1 75 F150 250 trailer towing 8 390 4 B 1 pkg From Ser Vi 00 001 to X00 001 76 F350 C and A T 8 39044 B 1 From Ser C50 001 75 76 F150 350 S C or 8 390 460 D8TZ 8600 A 5 19 1 2 2 5 8 D6TA AA 1 trailer towing pkg From Ser X00 00l to B50 001 76 77 F25o 350 S C or 8 460 1 trailer towing pkg Fr0m Ser B50 001 78 F100 350 Crew Cab 8 460 76 F350 X C Before Ser C50 001 8 390 4 B 1 78 F100 350 without Super Cool 8 460 1 with or without A C noise areas M Series 73 76 M450 500 360 390 DOVY 8600 A i 19 1 2 2 3 8 DOVE A 1 not re laced 74 76 M450 500 H 460 D4HZ 8600 C 5 20 2 5 8 D3HS AA 1 P Series 73 77 8350 500 0 n 300 C1TZ 8600 J n 18 5 8 C5TA AB 1 73 77 P350 500 X C n 300 B7Y 8600 A 5 18 5 8 TDBA A 1 ENGINE YEAR MODEL RESTRICTIONS CYL C I D PART NUMBER DESCRIPTION QTY C C D 8A6l1 GUARD FAN 79 F100 250 A T without A C H 300 EOUZ 8A6l1 A 1 79 F350 without A C 300 1 79 5100 350 without A C 300 1 79 F100 250 ivi 7 without A c ll 300 D9TZ 8A611 B 1 jA613 SPACER IDLER PULLEY 73 75 F100 350 without P S and A C 8 460 DOAZ 8A613 A 1 78 F100 350 With integral A C 8 460 or P S Without A C 79 E100 250 8 302 1 74 75 F100 without P S 8 302 1 75 E250 350 without P S 8 460 75 E100 350 without P S 8 351W 1 77 F100 350 without P S 8 351M 40o 1 77 F150 A C without P S 8 302 77 moo 35o hah oh A c li 46o D7UZ 874613 A 1