M25:
Hurth HBW-50
Ratio: 1.86:1
Fluid capacity: .29 Qts
Fluid Type: ATF, Dexron II or Dexron III

M35
Hurth HBW-100
Ratio: 1.79:1
Fluid Capacity: .33 Qts
Fluid Type: ATF, Dexron II or Dexron III