A header for an agricultural harvesting machine includes a cutting bar forcutting agriculturalmaterial, a first frame portion, a second frame portion, and a bracketassembly for pivotablycoupling the second frame portion to the first frame portion. The first frameportion includesa conveyor for moving cut material and a pair of supports. The first frameportion alsoincludes a pin extending between the supports and secured to the supports. Thesecond frameportion includes a conveyor for moving cut material. The bracket assemblyincludes a firstportion and a second portion removably coupled to the first portion such thatthe pin ispositioned between the first portion and the second portion.