OTC 4121A 30 Ton Hollow Center Hydraulic Ram with Adapter Plate, Steel Body, 2-1/2 Inch Stroke

OTC 4121A 30 Ton Hollow Center Hydraulic Ram with Adapter Plate, Steel Body, 2-1/2 Inch Stroke

• The OTC 4121A is a hollow center hydraulic ram designed to allow cables, puller screws, or rods to pass through its center. It includes an adapter plate for use in puller and press applications and delivers up to 30 tons of force.
• Features:
  • Hollow center design enables use with extending jacking screws, cables, or push-pull rods
  • Adapter plate included for use with pullers and hydraulic presses
  • Meets ASME B30.1 safety standards for hydraulic cylinders
  • Compact, durable steel construction suitable for confined workspaces
• Specifications:
  • Manufacturer: OTC (Bosch Automotive Service Solutions)
  • Part Number: 4121A
  • Capacity: 30 tons (hydraulic thrust)
  • Stroke: 2-1/2 inches
  • Collapsed Height: 7-3/4 inches
  • Extended Height: 10-1/4 inches
  • Oil Capacity: 15.45 cubic inches
  • Effective Ram Area: 6-1/8 square inches
  • Body Material: Steel
  • Application: Ideal for hydraulic presses, Grip-O-Matic pullers, push-pullers, and shop repair systems

OTC, part of Bosch Automotive Service Solutions, engineered the 4121A hollow center hydraulic ram for versatility and power. Its through-hole design and included adapter plate make it suitable for both pulling and pressing operations in professional workshop settings.

Q: What does "hollow center" mean?
A: The hollow center allows jacking screws, cables, or rods to pass through the ram body for puller or extension applications.

Q: Is an adapter plate included?
A: Yes. The ram includes an adapter plate for use with pullers and hydraulic presses.

Q: What is the stroke length?
A: The stroke is 2-1/2 inches from collapsed to extended height.