Here are a few suitable front weights for the MB Trac Pack.
Now even with many other brands!
AGCO
Allis-Chalmers
Belarus
Bührer
CaseIH
Challenger
Claas
Deutz
Deutz-Fahr
Dieselross
Fendt
Fiat
Fiatagri
Ford
Fortschritt
Hürlimann
IHC
JCB
John Deere
John Deere Old
Kubota
Lamborghini
Landini
Lindner
MB Trac
Merlo
Massey Ferguson
McCormick
New Holland
Renault
Rigitrac
Same
Schlüter
Steyr
Unimog
Ursus
Valtra
Valtra-Valmet
Versatile
Volvo
Zetor

Credits:
DeNize