OTC 4139 30 Ton Spring-Return Hollow Center Hydraulic Ram

The OTC 4131 10 Ton Ram is ideal for push/pull applications found in off-highway, construction, mining and other industries where heavy equipment is maintained.

Features:

• Center hole permits extending screws, cables, etc., straight through the ram for versatility of application.
• Rams withstand full "dead-end" loads.
• Chrome-plated piston rods resist wear, and superior packing and seals provide high cycle life without leakage.
• Piston head inserts are interchangeable for versatility.
• Tapped base mounting holes provide easy installation in fixed applications.

Specifications:

• Cylinder Capacity (Tons) | 30
• Stroke (in.) | 2 1/2
• Retracted Height (in.) | 6 1/4
• Extended Height (in.) | 8 3/4
• Outside Diameter (in.) | 4 3/4
• Piston Rod Diameter (in.) | 3 1/4
• Center Hole Diameter (in.) | 1 19/64
• Inches Between Base Holes | 3 5/8
• Insert Thread Size (in.) | 2 3/4 - 12
• Collar Thread (in.) | 4 3/4 - 12
• Thread Length (in.) | 1 1/2
• Oil Capacity (cu. in.) | 15.85
• Internal Press at Capacity (PSI) | 9,457
• Tons at 10,000 PSI | 31.7
• Base to Inlet Port (in.) | 1 5/32
• Mounting Holes (in.) | 7/16 - 20
• Base Cylinder Eff. Area (sq. in.) | 6.34
• Product Weight (lbs.) | 25.6

Other Available Options, Sold Separately:

• OTC 4131 | 10 Ton Hydraulic Ram
• OTC 4132 | 20 Ton Hydraulic Ram
• OTC 4140 | 60 Ton Hydraulic Ram