Vintage 2 Ton Lincoln Floor Jack model Number 93642 Made in the USA
I thinking pre 1980's they used a plastic vent plug. Which i replaced with a Lincoln/Hein Werner metal vent plug. See pictures
Excellent Vintage Condition Works as Designed
Lincoln All American 2 Ton Floor Jack
The Lincoln 2-ton floor jack (Model 93642), often associated with Walker and Snap-On brands, is a, rugged, USA-made professional hydraulic service jack designed for automotive shops. It features a 3.75-inch low pick-up height, a 20-inch high lifting range, and a durable design.
Key Features and Specifications:
Model: 93642 (also known as Walker 93642, HW93642, or Snap-On YA642)
Capacity: 2 Ton (4,000 lbs)
Origin: Made in the USA
Lift Range: Low 3.75" pick-up; 20" maximum height
Features: U-joint release mechanism, removable 2-piece handle, and heavy-duty steel construction
Series: Covers Series B, C, and E
Maintenance and Rebuild Info:
Rebuild Kits: Kits are available (often listed for Series B, C, E) containing Viton and high-grade urethane seals.
Parts Interchange: Often compatible with or rebranded under Hein-Werner or Snap-On, making parts relatively accessible.
Weight: Approximately 100 lbs (shipping weight).
These jacks are known for long-term durability, with many being rebuilt rather than replaced.