Browse Publications Technical Papers 500181
1950-01-01

STUDEBAKER AUTOMATIC TRANSMISSION 500181

THE principles of design and the operating characteristics of the Studebaker automatic transmission are presented here.
The basic transmission design consists of the following major elements:
  1. 1.
    A single-stage, three-element torque converter completely fabricated from stampings.
  2. 2.
    Two epicyclic single-planet helical gear sets.
  3. 3.
    Two gear-type oil pumps.
  4. 4.
    One multiple-disc clutch.
  5. 5.
    One single-plate disc clutch submerged in oil for direct drive.
  6. 6.
    Three band-type clutches with suitable servo mechanisms.
  7. 7.
    Three sprag-type freewheel units.
  8. 8.
    One valve block assembly.
  9. 9.
    One centrifugal mechanical governor.
Tests results and performance characteristics for the transmission are discussed briefly.

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