It looks ok, not too bad, ZF would have made either the g-box or diff, ZF Friedrichshafen AG, also known as ZF Group, and commonly abbreviated to ZF, is a German public company (Aktiengesellschaft or AG) headquartered in Friedrichshafen, in the German south-west region of Baden-Württemberg.
Specialising in engineering, it is primarily known for its design, research and development, and manufacturing activities in the automotive industry. It is a worldwide supplier of driveline and chassis technology, for cars and commercial vehicles, along with specialist plant equipment such as construction equipment. It is also involved in rail, marine, defence and aviation industries, as well as general industrial applications. ZF has 123 production locations in 27 countries.
I have a Getrag box, i have heard from many people that the Getrag box is stronger, but how true that is i dont know.
Getrag (written by the company as GETRAG) is a leading manufacturer of automobile manual transmissions. The company was founded on 1 May 1935, in Ludwigsburg, Germany, by Hermann Hagenmeyer;[1] as the Getriebe und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG.[1] During the evolution of the company, it went from a Gesellschaft mit beschränkter Haftung (GmbH) to an Aktiengesellschaft (AG),[citation needed] and todays' company name is derived from Getriebe und Zahnradfabrik Hermann Hagenmeyer AG ("Transmission and gear manufacturer Hermann Hagenmeyer AG").