Parts list: № Number Qty Name Options 1 BN909595 1 Converter Kit ORDER BKK10121, BKK10110, BN272633, BN272631 AND (4) BN272531 2 BN272631 1 Shaft 3 BN272531 4 Shaft Female Only 4 BKK10110 1 Extension Kit 5 BN272633 1 Air Duct 6 BKK10618 1 Air Duct SUB FOR BKK10121 Next page: ST743132 Attachment, Row Spacing Conversion, 36 in. to 40 in. Rows, 8 in. Spacers ST776494 Attachment, Row Spacing Conversion, 38 in. Rows, 8 in. Wheel Spacers, to 38 in. or 40 in. Rows, 2 in. Wheel Spacers; or, 40 in. Rows, 8 in. to 2 in. Wheel Spacers ST813203 Attachment, Row Spacing Conversion, 30 in. to 38 in. Rows, 8 in. Wheel Spacers ST757445 Attachment, Row Spacing Conversion, 36 in. to 38 in. or 40 in. Rows, 2 in. Wheel Spacers ST711519 Air Manifolds ST792057 Cotton Fan ST776583 Attachment, Row Spacing Conversion, 38 in. or 40 in. Rows, 2 in. Wheel Spacers, to 32 in. Rows, VRS™ ST776549 Attachment, Row Spacing Conversion, 32 in. to 38 in. Rows, 8 in. Wheel Spacers ST776512 Attachment, Row Spacing Conversion, 38 in. or 40 in. Rows, 2 in. Wheel Spacers, to 36 in. Rows ST807433 Lower Unit Ducts, 36" Row Spacing