There will be 3 main variants of the D10: G/J, H/K, E/F with each having two sub model ( 2 variant(E/F, H/K will have sub model: centered headlight or top mount headlight, and the 3rd variant G/J will have sub model: centered headligh only t but with or flat numberboard or triangular numberboard). Actually two variant have been made but still need some small fixes/tweek.
EDIT: There is also version in the G/J version an oil fired version with a correspondant tender.
Rail4Pete
EDIT2: Tranboi1 said a 4th version A/B/C will get out the shop too.