S63 Heavy-Duty Telescopic Dump Cylinder Four Stage 2000 PSI
The S63 series is a four-stage single-acting telescopic hydraulic cylinder engineered for heavy-duty dump truck applications. With a nominal working pressure of 2000 PSI and stroke lengths up to 265 inches, the S63 provides the lifting power and durability required for demanding construction, mining, and aggregate operations. Its high-strength carbon steel construction and advanced sealing system ensure reliable performance even under harsh conditions.
Key Selling Points
- Four-stage design: Offers an extended stroke range for larger dump bodies while maintaining a compact retracted length.
- Heavy-duty construction: High-strength carbon steel body, sleeves, and plunger withstand repeated heavy loads.
- 2000 PSI working pressure: Compatible with standard truck hydraulic systems, ensuring efficient lifting.
- Gravity return: Simplifies system design and provides smooth, controlled lowering.
- Stage sequence testing: Every cylinder is tested to ensure correct extension and retraction order.
- Corrosion-resistant coating: Protects against rust and extends service life in outdoor environments.
Technical Specifications
| Acting Type | Single Acting |
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| Retraction Method | Gravity Return |
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| Cylinder Type | Multi-Stage Telescopic |
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| Number of Moving Stages | 4 |
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| Nominal Working Pressure | 2000 PSI (140 Bar) |
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| Stroke Range | 72–265 in (stocking models) |
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| Operating Temperature | −40°F to +200°F (−40°C to +93°C) |
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| Mounting | Pin-Mounted |
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| Port Options | NPT or SAE O-Ring Boss |
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| Port Sizes | 1/2 in NPT, 3/4 in NPT, 1 in NPT, #8 SAE, #12 SAE, #16 SAE |
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| Extension Sequence | Largest Stage First |
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| Retraction Sequence | Smallest Stage First |
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| Surface Finish | Corrosion-Resistant Industrial Coating |
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Models and Options
The S63 is part of the S Series, covering multiple stage configurations. Other models include S42, S43, S52, S53, S62, S64, S73, S74, S84, S85, and S95. Custom strokes and mountings are available.
Materials and Structure
Constructed with high-strength carbon steel for body, sleeves, and plunger. Stop rings are threaded steel; V-packing uses Hytrel and rubber; wipers are polyurethane; bearings are glass-reinforced nylon. Mounting components are high-strength cast or fabricated steel, and pins are hardened steel.
Applications
Designed for dump trucks used in construction, mining, quarrying, road building, and waste transport. Also suitable for agricultural bulk hauling and heavy-duty mobile hydraulics.
Customization
Custom stroke, mounting, port orientation, and special coatings available. Manufacturing based on model number, part number, or approved drawing. OEM/ODM support.
Case Study
Heavy-duty Dump Truck OEM – Indonesia (180 units)
Supplied 180 multi-stage telescopic cylinders for construction and mining applications. Over 2 years, they delivered reliable lifting performance and excellent durability under continuous heavy-load conditions.
FAQ
How many stages does the S63 have?
The S63 has four moving stages.
What is the maximum stroke available?
Stocking models offer strokes up to 265 inches.
What is the working pressure?
Nominal working pressure is 2000 PSI (140 Bar).
Can I order a custom length?
Yes, custom strokes are available based on your specifications.
What testing is performed?
Each cylinder undergoes dimensional, stage sequence, pressure, and leakage testing.
Is this cylinder suitable for mining trucks?
Yes, its heavy-duty design is ideal for mining and earthmoving applications.
Inquiry Information
Provide original model number, 10-digit part number, stroke, closed length, pin sizes, mounting dimensions, and port requirements for accurate replacement.
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