Sany Fifth Outrigger Oil Cylinder

SANY CATALOG ➤ SANY QY50CS93 Truck Crane Parts Catalog

Sany Parts engineering delivers the specialized stabilization solution for heavy machinery. The Sany Fifth Outrigger Oil Cylinder is a factory-engineered hydraulic cylinder assembly for truck cranes, mobile cranes, and heavy construction equipment. This complete Sany Fifth Outrigger Oil Cylinder combines the cylinder assembly, piston rod, piston, guide sleeve, multiple sealing elements including O-rings and GS/SIL seal rings, protective spacer and plate, and high-strength fasteners including bolts and screws. Every component of the Sany Fifth Outrigger Oil Cylinder ensures precise extension control and stable machine leveling. Upgrade your crane with a genuine Sany Fifth Outrigger Oil Cylinder engineered for demanding lifting operations.

Sany Fifth Outrigger Oil Cylinder — complete hydraulic stabilization cylinder assembly for heavy machinery

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What is the Sany Fifth Outrigger Oil Cylinder?

The Sany Fifth Outrigger Oil Cylinder is a specialized hydraulic actuation component for the front stabilization system of Sany truck cranes, mobile cranes, and large excavators. At its core lies the cylinder assembly (10182110), housing a precision-machined piston (10182101) connected to a hardened piston rod (10182102). When hydraulic fluid enters the cylinder, the piston rod extends or retracts, deploying the fifth outrigger foot. This front stabilization point is critical for lifting heavy loads where main outriggers alone cannot provide complete stability. The cylinder works with horizontal and vertical outriggers to level and secure the machine on any terrain.

The sealing system of the Sany Fifth Outrigger Oil Cylinder uses a sophisticated multi-layered configuration. A piston seal (GS ring, B230101001161) and a backup seal (SIL ring, B230101001162) work as primary dynamic seals preventing fluid bypass across the piston. A dustproof ring (PWD, A880808070039) scrapes contaminants away from the piston rod. Multiple O-rings (A210609000067, A210609000079, A210609000087) seal fluid passages and static interfaces. A guide ring (B230101001158) prevents metal-to-metal contact between piston and cylinder bore, absorbing side loads during outrigger deployment.

Internal guidance and structural integrity are ensured through precision components. A guide sleeve (10182103) directs the piston rod throughout its stroke, maintaining concentricity within 0.1mm. Retaining rings (10182105, 10182104) lock the piston onto the rod and secure external components. Protective spacer (10182106) and protective plate (10182107) shield external parts from debris impact. The cylinder is designed for operating pressures up to 35MPa, delivering push-pull forces exceeding 5000KN. The piston rod undergoes high-frequency quenching and nickel-chromium composite plating for wear and corrosion resistance.

The fastening system uses bolts A210111000125 and screws A210208000024 and A210208000001 to secure mounting points. All components undergo rigorous quality control including online automatic flaw detection. Originally OEM on Sany STC series truck cranes, the Sany Fifth Outrigger Oil Cylinder is available through the genuine parts network spanning 120+ countries. All 20 Part Numbers are traceable through certified Sany distribution channels, backed by a 24‑month warranty.

Product Parameters of Sany Fifth Outrigger Oil Cylinder

Index	PartsCode	PartsName
1	10182110	Cylinder assy
2	10182106	Spacer, protecting
3	10182107	Plate, protecting
4	A210111000125	Bolt
5	A210208000024	Screw
6	A210208000001	Screw
7	A210609000067	O-ring
8	10182105	Ring, retaining
9	10182101	Piston
10	B230101001155	Ring, Seal
11	10876762	Spacer
12	A210609000079	O-ring
13	10182102	Piston rod
14	A210609000087	O-ring
15	10182104	Ring, retaining
16	10182103	Sleeve, guide
17	B230101001158	Ring, guide
18	B230101001161	Ring, seal, GS
19	B230101001162	Ring, seal, SIL
20	A880808070039	Ring, dustproof, PWD

Why Choose Our Sany Fifth Outrigger Oil Cylinder?

Complete OEM Cylinder Kit with 20 Precision Components: The Sany Fifth Outrigger Oil Cylinder is supplied fully assembled with cylinder housing, piston, piston rod, guide sleeve, retaining rings, protective spacer and plate, and a comprehensive sealing suite including GS ring, SIL ring, O-rings, guide ring, and PWD dustproof ring. This eliminates the complexity of sourcing seal kits separately. The cylinder withstands pressures up to 35MPa and temperatures from -40°C to +120°C. Bore roller pressing technology ensures smooth low-speed operation.

Advanced Multi-Layer Sealing System for Zero Leakage: The sealing architecture features a GS seal ring (B230101001161) as the primary dynamic piston seal, with a backup SIL seal ring (B230101001162) for redundancy. Multiple O-rings (A210609000067, A210609000079, A210609000087) seal static interfaces. A guide ring (B230101001158) prevents metal-to-metal contact, while the PWD dustproof ring (A880808070039) scrapes contaminants away from the rod surface, dramatically extending seal service life.

High-Strength Construction for Extreme Durability: The piston rod (10182102) undergoes high-frequency quenching and nickel-chromium composite plating for wear and corrosion resistance. Protective spacer and plate shield external components from debris. The guide sleeve (10182103) maintains perfect rod alignment. Every cylinder undergoes pulse testing, tension testing, offset load testing, and high-frequency reciprocation testing before shipment to guarantee reliability.

Global Warranty and Traceable Genuine Parts: The Sany Fifth Outrigger Oil Cylinder is backed by a 24‑month warranty across 120+ countries. All 20 Part Numbers are available individually through Sany distribution centers. The PartsCode table enables precise reordering. Volume purchasers may qualify for consignment stock. Choosing genuine ensures full warranty protection.

What are the Routine Maintenance Considerations for the Sany Fifth Outrigger Oil Cylinder?

Daily Visual Inspection: Before each shift, extend the cylinder fully and examine the piston rod (10182102) surface for scoring, pitting, or chrome flaking—any damage will tear the dustproof ring. Inspect bolts (A210111000125) and screws (A210208000024, A210208000001) for looseness. Look for hydraulic fluid leaks around seal areas. Check the protective plate (10182107) for impact damage. A clean, dry cylinder indicates a healthy seal system; visible leakage requires prompt investigation.

Fastener Torque Verification: Every 250 hours, verify torque of all fasteners using a calibrated torque wrench. Tighten bolt A210111000125 and screws A210208000024 and A210208000001 to Sany specs: 25‑35 Nm (M6), 45‑60 Nm (M8), 80‑100 Nm (M10). Replace damaged fasteners. Inspect protective spacer (10182106) for cracking. Verify retaining rings (10182105, 10182104) are properly seated. Loose fasteners can lead to progressive hydraulic failure during lifting operations.

Seal System Condition Assessment: Every 500 hours, assess seal condition without disassembly. With cylinder fully extended, observe rod surface—any continuous oil film indicates a worn rod seal. If dustproof ring (A880808070039) shows extruding or cracking, replace seal kit immediately. Failed dust ring allows abrasive grit into the assembly, destroying piston seals. The seal system uses high-quality components from NOK and Parker.

Cylinder Drift Testing and Fluid Cleanliness: Every 1,000 hours, perform a drift test. Fully extend cylinder, remove supply line, observe position over five minutes. Retraction >3mm indicates internal piston seal bypass (GS ring B230101001161 or SIL ring B230101001162 worn). Test both directions. Take fluid sample from return line; aim for ISO 18/16/13 cleanliness. Contaminated fluid causes premature O-ring failure (A210609000067, A210609000079, A210609000087).

Annual Full Disassembly Inspection: Every 2,000 hours, disassemble cylinder completely. Inspect piston (10182101) for scoring or cracks. Measure piston rod straightness (max runout 0.5mm). Inspect guide sleeve (10182103) for wear. Check guide ring (B230101001158)—wear depth >0.5mm requires replacement of both ring and cylinder tube. Replace all O-rings, seals, and dustproof ring as a set when cylinder is opened.

Rebuilding and Pressure Testing: Replace retaining rings (10182105, 10182104) with new parts—they lose spring tension after compression. Lubricate sealing surfaces with clean oil during reassembly. Replace protective spacer (10182106) and protective plate (10182107) if cracked. Pressure-test to 1.5x working pressure (52‑60 MPa) for five minutes with no leakage. This schedule extends cylinder life beyond 15,000 hours. Always use genuine Sany replacement parts.

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