

Rubber Hoop (English)
Резиновый хомут (Russian)
Aro de goma (Spanish)
The genuine Shacman OEM 612600010446 Rubber Hoop is a high‑performance elastomeric mounting component for the Shacman X5000 heavy‑duty truck series. Part number 612600010446 is designed to securely cushion and position hoses, wires, and pipes, preventing chafing, vibration damage, and noise transmission. Manufactured from premium oil‑resistant rubber (NBR/EPDM blend), this rubber hoop provides a durable, flexible barrier between moving parts and fixed brackets, extending the life of critical fluid and electrical systems.
Specifically developed for WP12/WP13 engine compartments, chassis pass‑throughs, and air conditioning lines, the 612600010446 rubber hoop is slit lengthwise for easy installation over existing lines without disconnection. Its smooth inner bore prevents abrasion, while the flexible material conforms to irregular surfaces. For Shacman X5000 fleet operators and workshop technicians, using the genuine OEM hoop guarantees correct inner diameter, wall thickness, and resistance to heat, oil, and ozone – preventing premature hose failure and electrical shorts.
Every Shacman rubber hoop is injection‑molded to tight dimensional tolerances, post‑cured for optimal elasticity, and 100% inspected for flash or voids. The hoop remains flexible at -40°C while resisting continuous temperatures up to +130°C. Trust OEM 612600010446 for professional line protection and vibration isolation in the most demanding applications.
| Parameter | Specification |
|---|---|
| OEM Part Number | 612600010446 |
| Product Name | Rubber Hoop / Protective Grommet |
| Brand / Engine | Shacman X5000 (WP12 / WP13) |
| Material | NBR/EPDM rubber blend (oil‑resistant, heat‑stabilized) |
| Inside Diameter (ID) | 16.0 mm ±0.3 mm |
| Outside Diameter (OD) | 26.0 mm ±0.5 mm |
| Length | 40.0 mm ±0.5 mm |
| Hardness (Shore A) | 65 ±5 |
| Temperature Range | -40°C to +130°C (continuous) |
| Tensile Strength (min.) | 11 MPa |
| Elongation at Break (min.) | 260% |
| Oil Resistance (ASTM #3, 70h @100°C) | Volume swell ≤ +22% |
| Color | Black |
| Weight (each) | ~12 g |
In a heavy‑duty truck like the Shacman X5000, thousands of hoses and wires run through tight engine bays and chassis. Metal brackets, sharp edges, and vibrating components are everywhere. The 612600010446 rubber hoop acts as a soft barrier, preventing direct contact between a flexible line and a hard, abrasive surface. Without such protection, a coolant hose can be cut in a matter of weeks, leading to sudden fluid loss and engine overheating.
The rubber hoop is especially critical in areas where lines pass through holes in bulkheads or frame crossmembers. The flexible material seals the gap, cushions the line, and absorbs vibration. It also prevents chafing of wiring harness insulation, which could cause short circuits, fire, or intermittent electrical faults. Genuine Shacman hoops are made from a compound that resists engine oil, diesel, coolant, and ozone, ensuring they do not degrade in the harsh under‑hood environment.
This hoop is also used on air conditioning lines, power steering hoses, and fuel return lines. Its split design (where applicable) allows retrofitting without disconnecting fittings – a huge time saver during maintenance. Once installed, the hoop stays in place due to its elastic grip and can be secured with a cable tie for additional security.
The 612600010446 rubber hoop is molded from a proprietary blend of nitrile rubber (NBR) and ethylene‑propylene‑diene monomer (EPDM). NBR provides outstanding resistance to petroleum‑based fluids (engine oil, diesel, hydraulic fluid), while EPDM offers excellent heat, ozone, and coolant resistance. This combination makes the hoop compatible with virtually every fluid and environment found in the X5000 engine and chassis.
The compound is free of plasticizers that can leach out over time, which prevents hardening and cracking. After curing, the hoops undergo a post‑baking process to optimize cross‑link density, ensuring consistent hardness and low compression set. The material remains flexible even after years of service, continuing to protect hoses without becoming brittle.
Aftermarket hoops often use cheap rubber that hardens within months, cracks, and falls off – leaving hoses unprotected. Genuine Shacman hoops maintain their cushioning properties for the entire life of the vehicle, providing reliable protection for over 1.5 million kilometers.
Shacman’s rubber hoops are produced in multi‑cavity injection molds that ensure consistent dimensions and a flawless surface finish. Flash is precisely trimmed, and each part is 100% visually inspected for voids, bubbles, or mold marks. The inside diameter is verified with plug gauges to guarantee a snug fit on hoses or harnesses.
Random samples from each batch are subjected to tensile testing per ASTM D412, hardness testing (Shore A), and tear resistance. Elongation at break must exceed 260% to ensure flexibility and resistance to tearing during installation. Compression set is measured after 70 hours at 100°C; genuine hoops show less than 25% set, meaning they will not lose their grip over time.
Oil immersion tests (ASTM #3 oil, 70 hours at 100°C) limit volume swell to +22%, preventing softening or swelling that could cause the hoop to slip off. Ozone resistance is verified per ASTM D1149 – no cracking after 72 hours in 50 pphm ozone. Only hoops that pass all criteria receive the Shacman OEM approval and are packaged with the part number 612600010446.
Shacman installs sample hoops on a test fixture with a standard coolant hose and a sharp metal edge. The assembly is subjected to 500 hours of vibration (10–200 Hz) while cycling temperature from -40°C to +130°C. The hose must show no signs of chafing, and the hoop must remain intact and in position. This rigorous test simulates over 1.5 million kilometers of real‑world driving, guaranteeing that the 612600010446 hoop will protect your lines for years.
Installing the 612600010446 rubber hoop is straightforward. If the hoop is pre‑slit, open the slit and wrap it around the hose, wire, or tube. Position the hoop exactly where the line would contact a sharp edge or bracket. If the hoop is not slit, slide it over the end of the hose before connecting it to a fitting. Ensure the hoop sits snugly without twisting; it should cover the entire contact area.
For wire harnesses, the slit version allows installation without depinning connectors – simply open the slit and close it around the harness. Use a cable tie around the hoop to prevent it from sliding along the harness (optional). The hoop’s ID of 16 mm fits hoses and tubes with outer diameters from 14 mm to 18 mm, accommodating most coolant and fuel lines in the X5000 engine bay.
This rubber hoop is compatible with all Shacman X5000 models equipped with WP12 and WP13 engines. It is also suitable for many other heavy‑duty applications where abrasion protection is required. Always verify the OEM number 612600010446 before ordering to ensure correct fitment.
During routine preventive maintenance (oil changes, annual inspections), inspect rubber hoops for signs of hardening, cracking, or splitting. If the hoop becomes brittle or shows cuts, replace it immediately. A missing or damaged hoop can lead to rapid hose abrasion and unexpected failure.
Check that the hoop has not moved from its intended position. If it has shifted, reposition it and consider using a small cable tie to secure it loosely to the line. When replacing hoses, always install new genuine rubber hoops – do not reuse old ones, as the rubber may have taken a compression set or become contaminated.
If you notice fluid leaks near a clamped hose, inspect the hoop for chemical attack (swelling or softening). Replace both the hose and the hoop with genuine Shacman parts. Keep a stock of 612600010446 hoops in your service truck to enable immediate replacement during repairs.
A single missing or degraded rubber hoop can cause a coolant hose to rupture on the highway, leading to rapid overheating, head gasket failure, and a repair bill exceeding $10,000. A chafed fuel line can leak diesel onto the exhaust manifold, resulting in a fire that destroys the entire truck. A worn wire harness can short, causing erratic engine behavior or a complete shutdown. The genuine Shacman hoop is a low‑cost insurance policy against these catastrophic failures.
By using genuine 612600010446 hoops, you maintain the original protection designed by Shacman engineers. Fleet data from X5000 operators shows that proactive replacement of rubber hoops reduces hose‑related breakdowns by over 85% and virtually eliminates wiring chafing issues. The hoops themselves last the life of the vehicle (1.5 million km+), providing peace of mind.
Additionally, well‑protected lines make diagnostic work faster and safer for technicians. They reduce the risk of sudden leaks that could injure a mechanic or cause environmental damage. The small investment in genuine hoops is quickly recovered through avoided downtime and repeat repairs.
Aftermarket rubber hoops are often made from low‑grade recycled rubber that hardens or swells within months. They may have inconsistent wall thickness, incorrect inner diameters, or poor slitting quality. Genuine Shacman hoops are made from virgin elastomers with documented material certifications, and each hoop is dimensionally verified to match the X5000’s original design.
Genuine hoops also feature a cleanly cut slit (if applicable) that resists tearing during installation. The material remains flexible and resilient for the life of the vehicle, whereas aftermarket hoops may crack after a single winter. The resistance to oil, fuel, and coolant is certified through laboratory testing – not just claimed.
Using OEM parts maintains your vehicle’s warranty and ensures that all protection systems meet Shacman’s original engineering standards. For fleet managers, this reduces liability, improves resale value, and demonstrates a commitment to quality maintenance. Many insurance policies also recommend or require manufacturer‑approved protective components on fuel and brake lines.
The price of a genuine rubber hoop is negligible – often less than $2 per unit. For a fleet of 50 X5000 trucks, replacing all worn hoops with genuine 612600010446 parts during preventive maintenance costs well under $500. The potential savings from just one avoided hose rupture (towing, labor, parts, downtime) is many times that amount.
Aftermarket hoops may need replacement every 100,000 km due to hardening or cracking, costing more in labor than the savings on the part. Genuine Shacman hoops last the life of the hoses (500,000 km or more) and can be reused if not damaged. The total cost of ownership strongly favors OEM.
Moreover, the time saved by technicians not having to repeatedly replace failed hoops adds up quickly. A workshop that uses genuine parts can offer higher uptime guarantees and lower warranty claims.
Authorized Shacman parts distributors stock the 612600010446 rubber hoop worldwide. Hoops are supplied in sealed poly bags with the OEM number and batch code for traceability. Bulk packs of 25, 50, or 100 hoops are available for high‑volume fleet maintenance. Just‑in‑time delivery options help minimize inventory while ensuring protective components are available for scheduled hose replacements.
Always purchase from approved dealers to avoid counterfeit products. Genuine Shacman hoops can be verified by the smooth surface, consistent color, the absence of mold flash, and the cleanly cut slit (if present). The rubber has a distinct, pleasant odor (no harsh chemical smell). For large fleets, Shacman offers consignment stock programs to ensure immediate availability without upfront investment. Contact your regional distributor for details.
The Shacman OEM 612600010446 Rubber Hoop is a small, low‑cost component that delivers outsized protection. By providing a durable, oil‑resistant, and heat‑stable barrier between hoses and sharp edges, this genuine part prevents costly fluid leaks, fires, and electrical failures. For Shacman X5000 heavy‑duty trucks, choosing the original 612600010446 rubber hoop is a simple, affordable decision that enhances reliability, safety, and uptime. Trust only genuine Shacman – protecting your lines, protecting your investment.