E4 - With Separate U-Bolt Plate
Tandem Four Spring Suspensions
- **E4 Series Suspensions**
- E4-340, E4-360, E4-380, and E4-400
- 1984-1995
- Ford was the primary user of the E4 Series.
- This suspension was discontinued in 1995/96.
First Design: Springs with Separate U-bolt Plates
- Replaced by second design in approximately 1992.