Outside your age range but a JD 6620 with a 20 ft head makes a nice uniform wide windrow that is perfect for a large square NH BB940.

Does a good job cleaning grain if set right too.

Various pictures from last few years.

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20180629_105012 (full).jpg (118KB - 258 downloads)

20180630_200605 (full).jpg (96KB - 240 downloads)

P1010001 (full).JPG (234KB - 226 downloads)

20200705_202044(0) - Copy (full).jpg (67KB - 199 downloads)

20200705_202451(0) - Copy (full).jpg (79KB - 204 downloads)

20200705_203101(1) - Copy (full).jpg (89KB - 226 downloads)

20200705_203845(0) - Copy (full).jpg (169KB - 214 downloads)

20200705_203858 - Copy (full).jpg (129KB - 225 downloads)