- Dim A (1) : 13 Teeth LH Helical Gear
- Dim B (2) : 3 Bolt Mounting
- Dim C (3) : (Includes Drive Gear)
- Dim D (4) : w/ A4.203 Engines
- Replaces : 188772M92
- Sections and Models:
- Hydraulic System Parts > Power Steering Pumps and Motors
- Massey Ferguson INDUSTRIAL/CONSTRUCTION: 30 (with diesel engine)
- Massey Ferguson INDUSTRIAL/CONSTRUCTION: 3165 (DSL)
- Massey Ferguson INDUSTRIAL/CONSTRUCTION: 40B
- Massey Ferguson INDUSTRIAL/CONSTRUCTION: 50A
- Massey Ferguson TRACTOR: 165 (DSL)
- Massey Ferguson TRACTOR: 255 (W/ A-212 Gas Engine Or AD236 Diesel Engine)
- Massey Ferguson TRACTOR: 65 (DSL SN 685996>)
- mega-cross:
- Replaces: : 523090M1 : MASSEY FERGUSON
- Crossed From: : AM523090M91 : A & I MEGA-CROSS
- HM523090 : A & I MEGA-CROSS
- H523090M91 : A & I MEGA-CROSS
- WN-523090M91 : A & I MEGA-CROSS
- WN-523090M91 : A & I MEGA-CROSS
- 111837 : A & I MEGA-CROSS
- 1201-1609 : A & I MEGA-CROSS
- 1201-1620 : A & I MEGA-CROSS
- 1201-1621 : A & I MEGA-CROSS
- Machine Types : Industrial/construction, Tractor
- Makes : Massey Ferguson
- Models : 165, 255, 40b, 50a, 3165, 30, 65
- Models :