Item 3510231S has must read information.
: FOR MODEL 40H/40H+6/46H BUILT WITH ROTATOR ASSY./INST. #S 0239341, 0251769. AND BUILT PRIOR TO JULY 1990 BRACKET # 0901525 IS REQUIRED & MUST BE SOLD SEPARATELY. FOR MODEL 40H/40H+6/46H BUILT WITH ROTATOR ASSY./INST. #S 0239342, 0251770. BRACKET # 0901524. IS REQUIRED & MUST BE SOLD SEPARATELY. FOR MODEL 40HT BUILT W/O ROTATOR WITH PQ CONT.BRACKET # 3200194. IS REQUIRED & MUST BE SOLD SEPARATELY. FOR MODEL 40HTW BUILT WITH FIXED SUPPORT FROM JULY 1990 TO PRESENT. BRACKET # 0901721. IS REQUIRED & MUST BE SOLD SEPARATELY.
