Your work is good.
Your Type89IFV looks like right colors.
But, those soldier's suit camo pattern is incorrect.
Please refer to the following URL about JGSDF camouflage suit.
http://www.h-sdf.org/sogu/300.html#003
http://www8.plala.or.jp/hall3001/newgun/jgsdf.htm
Cheers.
Takashi