Telescopic Hydraulic Cylinders
- Compact closed length: Delivers long stroke in tight spaces.
- Multi‑stage design: 2–6 stages for progressive extension.
- Versatile mounting: Trunnion, cross‑tube, pin‑to‑pin options.
- Single or double‑acting: Choose gravity or controlled retraction.
Telescopic Hydraulic Cylinder Types
Single‑acting Telescopic Cylinder
Single‑acting telescopic cylinders deliver long stroke from a compact closed length, extending hydraulically and retracting by gravity or load. Typical ratings are 2000–3000 psi with 2–6 stages, plunger Ø ≈2–14.25 in, and strokes up to ≈440 in. Common mounts include trunnion and cross‑tube. Ideal for dump trucks, roll‑off systems, and trailers.
Double‑acting Telescopic Cylinder
Double‑acting telescopic cylinders extend and retract hydraulically for smooth, controlled tipping and precise body positioning. Typical specs: 2000–3000 psi, 2–6 stages, strokes up to ≈440 in, robust sealing and balanced porting. Mount options include trunnion, cross‑tube, and pin‑to‑pin. Used in dump bodies, industrial lifts, and heavy mobile equipment. Front‑mount and underbody configurations suit different chassis envelopes.
Multi‑stage Hydraulic Cylinder
Multi‑stage hydraulic cylinders use nested sleeves to achieve long stroke with compact installation space. Configurations span 2–6 stages with typical pressures around 2000–3000 psi and strokes up to ≈440 in. Common plunger diameters are ≈2–14.25 in. Ideal for mobile equipment, construction machinery, waste handling, and lifting systems. Mount options include trunnion, cross‑tube, and pin‑to‑pin.
Dump Truck Telescopic Cylinder
Dump truck telescopic cylinders provide reliable, high‑force lifting with long stroke and compact closed length. Typical data: 2000–3000 psi, 2–6 stages, strokes up to ≈440 in, plunger Ø ≈2–14.25 in. Front‑mount improves lift geometry and stability; underbody suits low‑profile frames. Ideal for tipping bodies, transfer trailers, and roll‑off systems. Fast cycle times and robust seals support heavy‑duty service.
Telescopic Hydraulic Cylinder OEM Installation Review
Hydrath provides engineering‑verified telescopic cylinders with clear specifications and drawings. Factory‑direct pricing, reliable lead times, and compliant documentation streamline your procurement.
Fast RFQ for bulk orders with validated dimensions (pressure, stroke, diameter).
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| Specification | Typical Range / Value |
|---|---|
| Pressure (PSI / Bar) | 2000–3000 psi (≈140–210 bar) |
| Stages | 2–6 stages |
| Stroke Length | Up to ≈440 in (≈11.2 m) depending on model |
| Plunger Diameter | ≈2–14.25 in (≈50–360 mm) |
| Mounting Options | Trunnion / Cross‑tube / Pin‑to‑pin / Double trunnion |
| Acting Type | Single‑acting / Double‑acting |
| Medium | Hydraulic oil (OEM spec) |
| Temperature Range | Typical −20 to 80 °C (application dependent) |
| Seal Kits / Replacement | Model‑compatible kits; OEM/compatible replacement options |
| Compliance / Standards | ISO / DIN / SAE dimensional & performance guidance |
Hydraulic Power Packs Applications
Agriculture & livestock
- Lifting
- Feeding
- Rural automation systems
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What is a telescopic hydraulic cylinder?
choose single‑acting for gravity return and double‑acting for controlled retraction.
Typical 2000–3000 psi, 2–6 stages, stroke up to ≈440 in.
Telescopic hydraulic cylinder: single‑acting vs double‑acting？
Double‑acting telescopic cylinders extend and retract hydraulically—precise control, faster retraction, suited to industrial lifts and special chassis.
Telescopic hydraulic cylinder: front‑mount vs underbody — which to choose?
Underbody telescopic cylinder fits low‑profile frames and packaging constraints.
Consider stroke, closed length, and mounting points.
Telescopic hydraulic cylinder sizing: pressure (PSI/Bar) and flow (GPM/LPM)
Size pump flow for target cycle time, considering stage areas and sequential extension.
Verify hose/valve losses and reservoir capacity.
Telescopic hydraulic cylinder maintenance, seal kits & replacement
- Inspect stages and seals regularly;
- choose model‑compatible seal kits;
- verify dimensions and pressures for replacements.
Keep update logs to improve freshness signals.
Telescopic hydraulic cylinder standards & compliance
OEM drawings govern interchangeability and service.
Ensure proper mounting hardware and torque specs.
Telescopic hydraulic cylinder applications
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