It is a Dougram Soltik/Soltek H102 Bushman.
One thing with the dougram Kits a lot of the painting insutrctions will call for a light grey for sections of the arms & legs they should be silver/aluminum.
Colour/camo schemes varied in the anime depending on the surroundings that they were used in. The Robotech models cover the most common schemes that the kits were originally sold with in Japan.
There are 2 good Books for mecha references out there.(in japanes ebut got plenty of pics and cels from the Anime:
Sunrise Robots Complete File 1: Real Robots Version
Sunrise Robots Complete File 2: Super Robots Version
The books are fairly upto date and also cover Gasaraki and Gaogaigar mecha, not much Gundam as those are mostly covered in books by Bandai.