Cylinder Head Subassembly
Головка блока цилиндров в сборе
Subconjunto de culata
The genuine Shacman OEM 611600040012 Cylinder Head Subassembly is a mission-critical engine component designed for the Shacman X5000 heavy-duty truck series. This cylinder head subassembly (part number 611600040012) ensures optimal combustion chamber sealing, efficient heat dissipation, and exceptional durability under extreme loads. As an original Shacman part, it perfectly matches the X5000 engine architecture, providing reliable performance for long-haul and off-road applications. Every 611600040012 subassembly is cast from high-strength alloy iron and machined to exact tolerances.
The cylinder head subassembly integrates valve guides, seats, and coolant passages into one precision unit. It delivers consistent compression ratios and reduces the risk of cracking or warping, even during sustained high-temperature operation. For fleet owners and repair workshops, selecting OEM 611600040012 means zero fitment issues and maximum engine uptime.
Designed to withstand peak cylinder pressures up to 220 bar, this component is the foundation of the Shacman X5000 powerplant. Its robust construction minimizes gasket failures and maintains proper valve train geometry over millions of operating cycles.
| Parameter | Specification |
|---|---|
| OEM Part Number | 611600040012 |
| Product Name | Cylinder Head Subassembly (Complete) |
| Brand / Model | Shacman X5000 (WP12 / WP13 engine family) |
| Material | High-strength Alloy Cast Iron (GGV30 grade) |
| Number of Valves | 4 valves per cylinder (2 intake / 2 exhaust) |
| Combustion Chamber Volume | 126 ± 1.5 cc |
| Compression Ratio (nominal) | 18.0 : 1 |
| Valve Seat Material | Powder metal alloy / induction hardened |
| Guide Bore Diameter | 11.00 mm (finished) |
| Surface Finish (fire deck) | Ra ≤ 1.2 µm |
| Coolant Jacket Design | Optimized cross-flow cooling |
| Max Operating Temperature | 450°C (exhaust area) |
| Weight (approx.) | 98 kg (complete subassembly) |
| Compatible Engine | Weichai WP12 / WP13, Shacman X5000 2019+ |
The Shacman 611600040012 cylinder head subassembly is engineered for uniform thermal expansion and fatigue resistance. Its optimized ribbed structure reduces distortion under heavy firing pressures.
Precision-machined valve seats and guides ensure perfect valve alignment, reducing oil consumption and blow-by. This subassembly undergoes 100% leak testing before leaving the factory.
Integrated coolant passages are designed using CFD analysis to eliminate hot spots. This extends head gasket life and prevents localized boiling in the X5000’s high-output diesel cycle.
Heavy-duty truck engines generate extreme combustion heat. The OEM 611600040012 cylinder head subassembly dissipates heat rapidly, maintaining stable valve guide temperatures.
During sustained full-throttle climbs, inferior heads may crack between valve seats. Shacman’s alloy and foundry process guarantee resistance to thermal fatigue for over 1.5 million kilometers.
Each head is stress-relieved after casting and finished with a mirror-like fire deck surface. This ensures a perfect mating with the cylinder block and superior clamp load retention.
The 611600040012 cylinder head subassembly includes fully assembled components: valve guides, seats, injector sleeves, and pre-installed cup plugs. This reduces workshop assembly time significantly.
CNC machined spring seats and valve keeper grooves guarantee consistent valve lash settings. Every subassembly is measured with coordinate measuring machines to verify port alignment and deck flatness.
All critical bolt holes are thread-rolled for improved clamp load consistency. This prevents thread stripping during head bolt torquing, a common failure with aftermarket substitutes.
Shacman applies 100% pressure testing and helium leak detection on every 611600040012 head. Any microporosity or crack is automatically rejected. This ensures zero warranty returns related to casting defects.
Random samples are sectioned and inspected microscopically for graphite morphology and matrix hardness. The result is a cylinder head that meets the most stringent Euro VI and China VI durability standards.
Replacing a cylinder head on the Shacman X5000 is straightforward using OEM 611600040012. It directly replaces the original part without modification to the block, timing components, or exhaust manifold.
Always use new head bolts and follow Shacman’s multi-stage torque angle procedure. The OE subassembly includes pre-lubricated valve stems for immediate installation.
This head is compatible with both WP12 and WP13 engines in the X5000 series manufactured after 2019. Verify the engine serial number before ordering to ensure exact fitment.
During routine overhauls, inspect the cylinder head subassembly for erosion around valve seats and injector bores. Cracks can be detected with magnetic particle inspection.
Check the fire deck for any pitting or grooves caused by head gasket failure. Resurfacing is allowed only up to 0.2 mm; beyond that, replace with a new 611600040012 head.
Always replace valve stem seals when reusing an old head. However, for best reliability and oil control, installing a fresh genuine subassembly is strongly recommended.
A worn or cracked cylinder head leads to loss of compression, coolant consumption, and white smoke. The OEM 611600040012 restores factory compression and power output.
Dyno tests show that engines fitted with genuine Shacman heads produce up to 12% more torque at low RPM compared to refurbished aftermarket units due to better squish area geometry.
Fuel efficiency improves by 3-5% when the head’s valve job and combustion bowl are new. Over 200,000 km, the savings offset the head’s cost several times over.
Aftermarket cylinder heads often use inferior iron with incorrect hardness, leading to premature valve recession and gasket failure. The genuine Shacman head guarantees correct metallurgy.
Every genuine part carries the Shacman hologram and batch traceability code. This ensures you receive a component manufactured to original tolerances and safety standards.
Using OEM head subassembly preserves the truck’s resale value and compliance with warranty conditions. Many extended warranty programs require genuine cylinder head replacement.
The initial price of genuine 611600040012 is higher, but it eliminates repeat repairs. Fleets report 40% fewer engine-related roadside events after switching to original Shacman heads.
Less downtime and extended oil drain intervals (due to reduced blow-by) make the genuine head the most economical choice for X5000 operators in mining and logistics.
Shacman’s global parts network stocks the 611600040012 cylinder head subassembly in regional hubs. Express shipping is available for urgent overhauls.
All genuine heads are packed in reinforced wooden crates with silica gel desiccants to prevent corrosion during sea freight. Bulk orders for fleets receive priority logistics.
Authorized dealers provide installation guides, torque specs, and technical support. Always demand the OEM part number 611600040012 to avoid counterfeit products.
The Shacman OEM 611600040012 Cylinder Head Subassembly is a precision-engineered core component that delivers uncompromised sealing, cooling, and durability. For Shacman X5000 trucks operating in harsh conditions, this genuine part ensures maximum power, fuel economy, and service life. By choosing 611600040012, you protect your investment and maintain peak engine performance over millions of kilometers. Trust only original Shacman cylinder head subassembly for your heavy-duty fleet.
