Mitsubishi MTE2000D, Dig It 258 Mini Ex, Deere Z930A ZTR
I would check tractor salvage yards (Google tractor salvage). If I couldn't find an Iseki grill, I'd check the Massey Ferguson line. They are styled a little differently and usually grey but that's what paint is for. The MF 1140/1145 are Iseki made tractors and very similar to the MF models. They appear to use a grill that is styled to fit the same hood design as the TA287 ( check the Ta287 against the MF 1140/1145 in Google images) .You can check the MF grill parts out at AGCO Parts Books ( enter as guest)