Description
Comparison points and tradeoffs
When comparing OTC (4139) 30-Ton Spring-Return Hollow Center Hydraulic Ram with other Return Springs options, use this source-backed detail as the primary discriminator: Item Weight: 26 pounds.
Use this second fact to evaluate the tradeoff: Category: Replacement Parts / Brake System / Return Springs. A third point to compare across alternatives is: Manufacturer Part Number: 4139.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Manufacturer | OTC |
|---|---|
| Brand | OTC |
| Model | 4139 |
| Item Weight | 26 pounds |
| Product Dimensions | 7.5 x 7.2 x 8.5 inches |
| Item model number | 4139 |
| Manufacturer Part Number | 4139 |
The OTC 4139 is ideal for push/pull applications found in off-highway construction mining and other industries where heavy equipment is maintained. 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’s and seals provide high cycle life without leakage. Piston head inserts are interchangeable for versatility and tapped base mounting holes provide easy installation in fixed applications. 30-Ton capacity 2-1/2″ stroke and a 1-19/64″ center hole diameter. Retracted height is 6-1/4″ and the extended height is 8-3/4″.
Source product highlights
- Ideal for push/pull applications found in off-highway construction mining and other industries where heavy equipment is maintained
- Center hole permits extending screws cables etc straight through the ram for versatility of application
- Chrome-plated piston rods resist wear and superior packing and seals provide high cycle life without leakage
- 30-Ton capacity 2-1/2 inch stroke and a 1-19/64 inch center hole diameter
- Retracted height is 6-1/4 inches and the extended height is 8-3/4 inches
Ghislain –
Nice OTC quality and toughness