CONCORD NT30 Operator's Manual page 46

2. Introduction
(5) Check letter (0 or used if model identifier is
five digits)
(6) Model year code (G = 2016, H = 2017 , J =
2018, K = 2019)
(7) Plant code
(8) Family code
(9) Unit number of the year
(10) End symbol
46
Narrow-Transport Grain
Drill (322782B)