- PSG 6
- PSG 5
- PSG 4
- PSG 3
- PSG 2
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor.
- A Woodward SG type governor drive shaft end.
- A vintage Woodward SG type governor.
- A vintage Woodward PSG type governor.