The efficient operation of a truck’s air brake system depends heavily on a properly cooled air compressor. The Shacman Air Compressor Water Pipe Assembly, identified by the specific OEM part number BY612600130788, is a critical cooling system component designed to circulate engine coolant through the air compressor’s cooling jacket. This genuine Shacman part ensures that the air compressor, which generates significant heat during operation, maintains an optimal operating temperature. By preventing overheating, the BY612600130788 assembly directly contributes to the compressor’s longevity, consistent air output for braking systems, and overall vehicle safety. A failure in this component can lead to compressor seizure, reduced braking efficiency, and costly downtime.
| Parameter | Specification Details |
|---|---|
| OEM Part Number | BY612600130788 |
| Product Name | Air Compressor Water Pipe Assembly |
| Brand | Genuine Shacman Part |
| Primary Material | High-Strength Rubber Hose with Metal Fittings |
| Hose Type | Reinforced Coolant Hose (EPDM) |
| Connection Type | Bolt-on Flange or Hose Clamp Connections |
| Temperature Range | -40°C to +130°C (-40°F to +266°F) |
| Pressure Rating | Up to 3 Bar (44 PSI) Coolant Pressure |
| Compatible Fluid | Engine Coolant (Ethylene Glycol/Water Mix) |
| Primary Function | Circulate Coolant to Cool the Air Compressor |
This assembly serves as a dedicated coolant line that integrates the air compressor into the engine’s main cooling circuit. It typically consists of one or more hoses, metal pipes, and connection fittings that route hot coolant from the engine block or cylinder head into the air compressor’s cooling passages. After absorbing heat from the compressor, the coolant is returned to the engine’s cooling system via this assembly for heat dissipation through the radiator. This continuous flow is essential because air compressors can reach extremely high temperatures during continuous operation, especially in heavy-duty applications. The BY612600130788 ensures efficient heat transfer away from the compressor’s internal components, including cylinders, pistons, and valves.
The hose section of the BY612600130788 assembly is manufactured from Ethylene Propylene Diene Monomer (EPDM) rubber, specifically formulated for coolant applications. This material offers exceptional resistance to heat aging, ozone cracking, and corrosion from ethylene glycol-based coolants. Its reinforced construction with embedded textile or polyester cord provides strength and prevents collapse or ballooning under pressure.
Integrated metal pipes and fittings, often made from steel or brass with anti-corrosion coatings, provide structural rigidity and secure, leak-proof connections at mounting points. These fittings are precisely shaped to match the original equipment routing, avoiding kinks and ensuring optimal coolant flow without restrictions that could lead to localized overheating.
Supplied as a complete assembly, the BY612600130788 ensures that all connection points are factory-secured and tested. This eliminates the potential for installation errors that can occur when piecing together separate hoses and fittings, guaranteeing a perfect fit and immediate reliability upon installation.
A compromised water pipe assembly can have severe repercussions. A leak leads to coolant loss, which can cause engine overheating and, separately, allow the air compressor to overheat. An overheated compressor suffers from reduced lubrication efficiency (as oil breaks down), accelerated wear of rings and bearings, and ultimately can seize or fail catastrophically. This results in a complete loss of air pressure for the brake system, a critical safety hazard. Furthermore, coolant leaking onto other engine components can cause damage and electrical shorts. Regular inspection and timely replacement of the BY612600130788 assembly are therefore not just maintenance tasks but vital safety procedures.
The OEM part BY612600130788 is engineered for specific Shacman truck models, commonly found in the F3000, X3000, and M3000 series equipped with specific air compressor models. The design considers the unique spatial constraints and connection port locations of Shacman’s engine and compressor layout. It is crucial to verify the exact application using the vehicle’s VIN (Vehicle Identification Number) or a detailed parts catalog. Using an incorrect or universal hose assembly may result in poor fitment, rubbing against other components, or insufficient cooling capacity, leading to premature failure.
Before installation, drain the engine coolant to a level below the compressor connections. Carefully disconnect the old assembly, noting the routing. Clean all mating surfaces on the compressor and engine block. Install the new BY612600130788 assembly, ensuring it follows the exact original path without tension or sharp bends. Use new seals or gaskets if provided, and tighten connections to the manufacturer’s specified torque. Refill the cooling system and bleed air according to the service manual.
During every major service interval, visually inspect the entire water pipe assembly. Look for signs of wear: cracks, bulges, or softening of the hose, corrosion on metal pipes, and any signs of coolant seepage at connection points. Check for abrasion spots where the hose might be rubbing against brackets or other components. Early detection of minor issues prevents major failures.
Given its critical role and exposure to heat cycles, consider replacing the air compressor water pipe assembly as a preventive measure during major engine overhauls or if the hose shows signs of age-related hardening or micro-cracking, even if no leak is present. This proactive approach is cost-effective compared to the expense of a failed compressor or engine overheating.
Choosing the genuine BY612600130788 assembly guarantees material quality, dimensional precision, and durability that meets or exceeds original equipment specifications. It ensures perfect compatibility with your Shacman truck’s cooling system pressure, flow requirements, and chemical environment. Non-genuine alternatives may use inferior rubber compounds that degrade faster in hot coolant, or have slightly different fitting angles that create stress points. The genuine part provides peace of mind, supports optimal compressor performance, and helps maintain the vehicle’s safety and reliability standards.
If the air compressor is running excessively hot or failing frequently, inspect the BY612600130788 water pipe assembly for flow restrictions. A collapsed hose interior or clogged metal pipe can severely impede coolant flow. External leaks will manifest as coolant drips or stains near the compressor. Low engine coolant level warnings, especially when combined with normal engine temperature, can sometimes indicate a leak in this assembly. Always pressure-test the cooling system to pinpoint leaks after any repairs to this circuit.
The Shacman Air Compressor Water Pipe Assembly BY612600130788 is a vital but often overlooked component that bridges the engine cooling system and the air brake system’s heart. Its role in maintaining the air compressor’s thermal equilibrium is fundamental to vehicle safety and operational reliability. Investing in this genuine OEM assembly ensures a perfect fit, superior material resilience, and long-term performance that protects your significant investment in the Shacman truck. Regular inspection and adherence to replacement intervals for this component are simple, effective strategies to prevent costly compressor failures and ensure consistent, safe braking performance mile after mile.
