Pages 24–45 (22 pages)

Cadillac Illustrations

From the 1940–1956 GM Hydra-Matic Transmission Parts Catalog (1956 Edition)

Exploded views keyed to Cadillac Group 20 numbers for 1946–1956 Hydra-Matic transmissions: 1956 flywheel housing, torus cover and members; rear drum, output, main and intermediate shafts; rear clutch and neutral clutch drums and case center support; rear pump and reverse unit; control valve; front oil pumps for 1946–1951; rear oil pump; hydraulic control and servo units; and parking brake and reverse shifter brackets.

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What this section covers

  • 1956 flywheel housing and torus cover
  • Shafts and rear drum
  • Clutch drums and center support
  • Front and rear oil pumps
  • Control valve and servo units
  • Parking brake bracket and crank
Models
Cadillac, Oldsmobile, Pontiac cars; Chevrolet 1/2–1 1/2 ton and GMC 100–500 series trucks
Publication
Bulletin 37A-100 (A-3700)
Pages
202

What’s inside

Contents

  1. Cover and Title PageCover and title page of the 1956 edition Hydra-Matic Transmission Parts Catalog for Cadillac, Chevrolet truck, Oldsmobile, Pontiac and GMC truck, with Bulletin 37A-100 dated 8-1-1956 and the tab index of catalog sections.pp. 1–3
  2. Part Number Conversion Listpp. 4–11
  3. Introduction and Model Identification GuideExplains how the catalog is arranged and how to find a part from an illustration group number, then a model identification guide listing every Hydra-Matic model code by year from 1940 to 1956, from 40-O Oldsmobile to the 1956 Cadillac, Jetaway, Stratoflight, Nash, Hudson, Rambler and GMC truck units.pp. 12–14
  4. Overhaul and Service Repair Kitspp. 15–23
  5. Cadillac Illustrationspp. 24–45
  6. 20Cadillac Parts Listingspp. 46–78
  7. Chevrolet, Oldsmobile and Pontiac Illustrationspp. 79–98
  8. 4Chevrolet Truck Parts Listingspp. 99–108
  9. 4Oldsmobile Parts Listingspp. 109–136
  10. GMC Truck Illustrationspp. 137–150
  11. 17GMC Truck Parts Listingspp. 151–184
  12. 4Pontiac Parts Listingspp. 185–202