SwapLoader SL-180 Compatible 3 Inch Bore Jib Hydraulic Cylinder
This jib hydraulic cylinder is a verified replacement for the SwapLoader SL-180 reference cylinder 21P91. With a 3-inch bore and 36-inch stroke, it is manufactured to the approved technical dimensions, featuring precision-honed tube, hard chrome-plated rod, and premium sealing. Ideal for jib functions on roll-off hoists.
Key Selling Points
- Verified reference: matches 21P91 dimensions (3-inch bore, 36-inch stroke) for direct replacement on SL-180 hoists.
- Double-acting design provides controlled operation for jib positioning.
- Counterbalance valve available to enhance load-holding safety.
- Hard chrome-plated rod ensures wear and corrosion resistance.
- Heavy-duty welded construction withstands shock loads in demanding waste environments.
- 100% inspection: dimensional, pressure, leakage, and full-stroke functional tests before shipping.
Technical Specifications
| Parameter | Value |
|---|
| Reference Part Number | 21P91 |
| Cylinder Function | Jib |
| Bore Diameter | 3 inch |
| Stroke Length | 36 inch |
| Operating Type | Double acting |
| Mounting Style | Pin-eye or pivot |
| Working Pressure | Matched to SL-180 system (reference pressure not listed) |
| Port Type | SAE O-ring or application-specific North American threads |
| Surface Finish | Heavy-duty industrial painted, black standard |
| Optional Color | Customer-specified equipment color |
Models and Options
This variant is based on the verified SL-180 cylinder 21P91. Options include counterbalance valve integration, custom color, private labeling, export packaging, and seal kits.
Materials and Structure
Precision-honed steel tube, welded steel barrel, hard chrome-plated alloy steel rod, forged steel eyes, machined steel piston and gland, polyurethane seals, O-rings, guide rings, and heavy-duty rod wiper. Welded mounting components ensure durability.
Applications
Used in cable-hoist roll-off trucks for jib control, supporting container handling during loading and unloading. Compatible with SwapLoader SL-180 hoists.
Customization
Build-to-print manufacturing available. Reverse engineering possible with sample. Custom identification plates, paint colors, and packaging available.
FAQ
Q: Is this an original SwapLoader part?A: No, it is aftermarket-compatible. SwapLoader is a trademark of its owner, used only for compatibility identification.
Q: What dimensions need verification?A: Provide hoist model, serial number, original part number, bore, rod, stroke, closed length, mounting pin diameter, mounting width, port type and position. Approved drawing required before production.
Q: Can a counterbalance valve be added?A: Yes, counterbalance valves are available for jib cylinders to improve load-holding safety.
Q: What testing is performed?A: Each cylinder undergoes raw material inspection, dimensional checks, weld inspection, pressure testing, leakage testing, and full-stroke functional testing.
Q: What is the MOQ?A: Standard products have an MOQ of 1 piece.
Inquiry Information
Please provide: hoist manufacturer, model, serial number, original part number, function, photographs (complete cylinder, rod-end, base-end, ports), bore, rod, stroke, closed/extended lengths, mounting pin diameter, mounting width, port type and position.
Image Filename and Alt Suggestions
Filename: apex-north-american-roll-off-hoist-hydraulic-cylinder.jpg
Alt: 3 inch bore jib cylinder for SwapLoader SL-180 roll-off hoist, replacement part
