

Seal Ring
Уплотнительное кольцо
Anillo de sellado
The genuine Shacman X5000 Seal Ring with OEM number 1001871548 is a precision-engineered elastomeric sealing component used in critical fluid and air systems on the X5000 heavy-duty truck. This seal ring prevents leakage of oil, coolant, fuel, or compressed air at static or dynamic interfaces such as flanges, threaded connections, and piston grooves. Manufactured from high-grade nitrile rubber (NBR) or fluorocarbon (FKM) depending on application, 1001871548 offers exceptional resistance to temperature extremes (-40°C to +150°C), pressure, and chemical attack. Its exact cross-sectional profile and inner/outer diameters match Shacman’s original design, ensuring perfect fitment in the designated groove. The seal ring’s material is compression-set resistant, maintaining sealing force even after years of service. This component is essential for engine rebuilds, transmission overhauls, hydraulic cylinder repairs, and any maintenance involving fluid-tight joints on the X5000.
A worn or hardened seal ring allows fluid bypass, leading to pressure loss, contamination ingress, and potential component failure. Installing OEM 1001871548 restores leak-proof integrity, protecting critical systems from environmental debris and fluid loss. This seal ring is compatible with diesel fuel, engine oil, hydraulic fluid, and glycol-based coolants. The smooth, flash-free surface ensures easy installation without damage to the groove or mating parts.
Each 1001871548 seal ring is 100% inspected for dimensional accuracy, hardness, and tensile strength. Choose genuine Shacman quality for reliable sealing in every application.
| Parameter | Specification |
|---|---|
| OEM Part Number | 1001871548 |
| Product Name | Seal Ring / O-Ring / Gasket Ring |
| Brand | Shacman (Genuine OEM) |
| Application | Shacman X5000 – Engine oil passages, fuel lines, hydraulic ports, air brake fittings |
| Material | Nitrile rubber (NBR) 70 Shore A (standard) or FKM (fluoroelastomer) for high-heat |
| Cross Section (Nominal) | 3.0 mm ± 0.08 mm |
| Inner Diameter (Nominal) | 24.0 mm ± 0.15 mm |
| Outer Diameter (Nominal) | 30.0 mm ± 0.15 mm |
| Hardness (Shore A) | 70 ± 5 |
| Tensile Strength | ≥ 12 MPa |
| Elongation at Break | ≥ 200% |
| Compression Set (70h at 100°C) | ≤ 25% |
| Temperature Range (NBR) | -40°C to +120°C (intermittent +135°C) |
| Fluid Compatibility | Diesel, engine oil, hydraulic oil, coolant, air |
| Weight (approx.) | 3 grams |
| Standards | ISO 3601-1, Shacman Q/SC 647, ASTM D2000 |
The Shacman seal ring 1001871548 is manufactured using compression or injection molding with tight process controls. The NBR compound is blended from high-acrylonitrile-content polymers to maximize oil and fuel resistance while retaining low-temperature flexibility. Each batch is tested for Mooney viscosity, cure rate, and specific gravity before molding. After curing, the rings are deflashed via cryogenic tumbling to remove flash without damaging the sealing surface. The result is a smooth, flash-free ring that seats perfectly in the groove without twisting or pinching.
The cross-sectional geometry is optimized to provide the ideal squeeze (15-30% of cross-section) when installed, ensuring adequate sealing force without excessive stress that could cause extrusion. The Shore A hardness of 70 balances extrusion resistance with conformability to surface irregularities. The material’s compression set (≤25% after 70h at 100°C) ensures that the seal maintains its shape and sealing pressure even after prolonged thermal cycling. Unlike cheaper rings that harden and crack, the genuine Shacman seal ring’s NBR formulation includes anti-aging additives that extend service life beyond 500,000 km.
Each 1001871548 ring is 100% inspected for inner/outer diameter and cross-section using automated optical measurement. Random samples are tested for tensile strength, elongation, and compression set. Salt spray and fluid immersion tests confirm compatibility with all Shacman-approved oils and coolants. These rigorous measures guarantee that the seal ring provides leak-free performance for the intended service interval.
The low compression set of the 1001871548 seal ring is critical for applications where the joint may experience thermal expansion cycles or bolt relaxation. Even after 1,000 hours at 100°C, the ring retains over 75% of its original sealing force, ensuring that fluid does not weep past the interface. This property eliminates the need for frequent re-torquing of bolts.
The seal ring 1001871548 is used in numerous locations across the Shacman X5000: oil filter housing, fuel injector return lines, hydraulic valve bodies, and air brake fittings. A single failed seal can cause a slow leak that leads to low fluid levels, component starvation, and potential fire hazards (in the case of fuel or oil). The OEM ring’s precise dimensions and material ensure that it fills the groove completely and seals against the mating surface without gap extrusion.
In high-pressure hydraulic circuits (up to 350 bar), the seal ring is often used in conjunction with backup rings to prevent extrusion. The 1001871548 ring’s hardness and tear resistance allow it to withstand pressure spikes without being forced into the gap. Fleet data shows that using genuine Shacman seal rings reduces hydraulic leak repairs by over 80% compared to generic O-rings from hardware stores.
For coolant systems, the NBR material resists ethylene glycol and maintains flexibility. A hardened seal ring on a coolant fitting can crack during cold starts, causing a sudden coolant loss. The 1001871548 ring’s low-temperature flexibility (-40°C) prevents this failure mode. The ring is also resistant to diesel fuel bio-blends, which can cause swelling in low-grade rubber.
Seal rings not only keep fluids in but also keep dirt, water, and debris out. A compromised seal allows abrasive particles to enter the oil or fuel system, causing premature wear of pumps, injectors, and bearings. The 1001871548 ring’s tight sealing prevents such contamination, preserving the life of sensitive components.
Installing the Shacman seal ring 1001871548 requires careful handling to avoid twisting or nicking. Clean the groove and mating surfaces thoroughly. Lubricate the seal ring with clean oil or grease (compatible with the fluid) to ease installation and prevent rolling. Place the ring into the groove, ensuring it is not twisted. Assemble the mating parts slowly, using a slight rocking motion to allow the ring to settle. Torque fasteners to specification.
This seal ring is compatible with all Shacman X5000 models from 2015 onward, including WP13, WP15, and ISM engine variants. It directly replaces original part numbers 1001871547 and 1001871549. Applications include the oil filter housing-to-block seal, fuel filter head seal, hydraulic manifold port seals, and air compressor discharge check valve seal. Always verify the OEM marking 1001871548 before installation (marking may be present on packaging).
Do not reuse a seal ring that has been compressed for a long period; the compression set may have reduced its ability to seal. Always install a new 1001871548 when servicing any joint that uses this seal. Keep a supply in your parts inventory for routine maintenance and emergency repairs.
During fluid changes, inspect accessible seal rings for signs of flattening, hardening, surface cracks, or nicks. If the ring feels hard or shows any deformation, replace it. Also check for fluid weeping around the joint. A proactive replacement policy prevents leaks before they occur.
Shacman X5000 trucks operate in mining, construction, oilfields, and long-haul freight – environments where seal rings are exposed to temperature swings, vibration, dust, and aggressive chemicals. The 1001871548 seal ring is tested to withstand 2,000 hours of oil immersion at 120°C with less than 15% volume swell. The NBR material resists ozone cracking and UV degradation, even on external applications like air brake fittings.
In mining dump trucks, hydraulic oil temperatures can exceed 100°C during continuous heavy lifting. The seal ring’s high-temperature rating prevents extrusion and leakage. In arctic conditions, the ring remains flexible at -40°C, allowing immediate sealing upon cold start without weeping. The material also resists biodiesel blends (up to B20) without excessive swelling.
For highway fleets, the seal ring endures millions of pressure cycles as the engine and transmission operate. Its fatigue life exceeds 20,000 hours, making it a reliable component for the life of the fluid system. The precision molding eliminates voids that could become leak paths.
1. Precision dimensions: Tolerances per ISO 3601-1 Class A for perfect fit. 2. Superior material: High-acrylonitrile NBR resists oil, fuel, and coolant. 3. Low compression set: Maintains sealing force after thermal cycles. 4. Wide temperature range: -40°C to +120°C (intermittent +135°C). 5. Full traceability: Batch-coded with material certification.
Aftermarket seal rings often use recycled rubber with incorrect hardness or poor dimensional accuracy, leading to immediate leakage or rapid failure. The genuine Shacman ring’s precise compound and molding ensure long-term reliability. Investing in 1001871548 prevents fluid loss, environmental contamination, and costly downtime.
For fleet maintenance, standardizing on genuine Shacman seal rings simplifies inventory (one part number for multiple applications) and ensures every technician installs a component that meets original specifications. The cost of one hydraulic pump failure due to seal failure far exceeds the price of OEM rings.
Using cheap O-rings that fail prematurely leads to comeback repairs, lost labor, and customer dissatisfaction. The 1001871548 seal ring’s consistent quality ensures long leak-free life, building trust and reducing warranty claims. Its easy installation and correct fit save technician time.
Shacman’s seal ring 1001871548 is produced in an IATF 16949 certified facility. The NBR compound is mixed in a closed mill, with each batch tested for cure characteristics. Compression molding is performed on automated presses with shot-weight control. After molding, rings are deflashed using cryogenic tumbling, then 100% optically inspected for dimensions and surface defects. No rings with flash, voids, or non-fill are accepted.
Random samples from each batch are subjected to tensile testing (ASTM D412), hardness testing (ASTM D2240), compression set (ASTM D395), and fluid immersion (ASTM D471). Accelerated aging tests (70h at 120°C) verify thermal stability. Only rings that pass all criteria receive the OEM packaging label with part number 1001871548 and batch traceability.
This rigorous quality system ensures every seal ring performs identically to the original factory component. Consistency is critical for maintaining fluid system integrity and preventing leaks across your entire fleet.
Genuine Shacman seal ring 1001871548 is stocked by authorized distributors worldwide. Parts are supplied in sealed poly bags, 10 rings per retail pack, with clear labeling and batch number. Bulk boxes of 100 rings are available for high-volume fleet maintenance depots and hydraulic shops.
Expedited shipping options are available through Shacman’s regional logistics hubs in North America, Europe, Asia, Africa, and the Middle East, with typical delivery within 3-5 business days. Always purchase from certified dealers and verify the holographic authenticity label. Counterfeit rings may be made from low-grade rubber that hardens or swells, causing immediate leaks.
For preventive maintenance programs, automated replenishment ensures your workshop never runs out of essential seal rings. Keep a stock of 1001871548 on every service truck to handle hydraulic repairs, oil changes, and fitting replacements in the field.
The Shacman Seal Ring 1001871548 is a precision-engineered elastomeric component that provides reliable, long-lasting sealing for oil, fuel, coolant, and air systems on the X5000. Manufactured from high-quality NBR rubber with exact dimensional tolerances, this genuine OEM ring resists compression set, temperature extremes, and chemical attack. By choosing 1001871548, you eliminate fluid leaks, prevent contamination, and protect critical engine and transmission components. Don’t trust generic O-rings – insist on genuine Shacman quality for every seal ring replacement.