

Water Pump Sub-Assembly
Водяной насос в сборе
Subconjunto de bomba de agua
The genuine Shacman Water Pump Sub-Assembly, OEM number 1004450213, is a core cooling system component for the Shacman X5000 heavy-duty truck. This 1004450213 water pump sub-assembly ensures consistent coolant circulation, preventing engine overheating and maintaining optimal operating temperature. Engineered with a cast iron housing and high-efficiency impeller, the 1004450213 pump delivers superior flow rates under extreme loads. As an original Shacman OEM part, it guarantees perfect fitment and long-term reliability in mining, logistics, and construction applications.
| Parameter | Specification |
|---|---|
| OEM Part Number | 1004450213 |
| Product Name | Water Pump Sub-Assembly (Complete Unit) |
| Brand / Vehicle Model | Shacman X5000 (All variants including M-series) |
| Material | Cast iron housing / Steel impeller / Ceramic mechanical seal |
| Impeller Type | Closed radial vane, 6-blade design |
| Flow Rate (at rated RPM) | 380 L/min @ 2200 RPM |
| Max Operating Pressure | 1.5 bar (22 psi) |
| Temperature Range | -40°C to +130°C |
| Drive Type | Belt-driven, 8-rib poly V-belt pulley |
| Bearing Type | Sealed double-row ball bearing (lubricated for life) |
| Weight (approx.) | 5.8 kg |
| Mounting Bolt Torque | 45 Nm (M10 bolts) + thread locker |
The Shacman water pump sub-assembly 1004450213 is engineered as a complete ready-to-install unit. The cast iron housing provides excellent thermal conductivity and vibration damping.
Its closed-type impeller with six precisely curved vanes maximizes hydraulic efficiency while reducing cavitation risk. This design ensures consistent coolant flow even at low engine speeds.
The pump incorporates a high-grade mechanical seal with a ceramic stationary face and carbon rotating face. This combination offers exceptional wear resistance and leak-proof operation.
Sealed double-row ball bearings are pre-greased and require no maintenance, eliminating the need for periodic lubrication. The bearing housing includes a labyrinth seal to exclude contaminants.
The pulley flange is precisely machined to accept a standard 8-rib serpentine belt, ensuring perfect alignment with the crankshaft and fan pulleys. Misalignment is virtually eliminated.
Every casting is pressure-tested before machining to detect porosity or cracks. This guarantees that no sub-surface defects compromise the pump’s structural integrity under pressure.
The 1004450213 water pump’s impeller features a balanced profile that reduces turbulence and energy loss. CFD-optimized vane angles deliver a flat flow curve over a wide RPM range.
This ensures that the engine receives adequate cooling during both idle and full-load operation, preventing hot spots in the cylinder head. The pump exceeds Shacman’s original flow specifications by 5%.
The water pump is the heart of the engine cooling system. Without reliable circulation, heat builds up rapidly, leading to head gasket failure, piston seizure, or cracked cylinder liners.
The 1004450213 sub-assembly maintains the correct coolant flow rate to dissipate the enormous thermal load generated by the X5000’s heavy-duty diesel engine, especially under maximum torque.
In extended uphill climbs or stop-and-go traffic, the pump must work harder to move coolant through the radiator and oil cooler. This OEM pump delivers consistent pressure and volume.
Furthermore, the precise bearing and seal design prevents coolant from leaking into the bearing cavity, which would cause premature failure. The ceramic seal withstands repeated thermal shocks.
Fleet data shows that engines equipped with genuine Shacman water pumps achieve 30% longer cooling system component life compared to aftermarket alternatives. Reliability translates directly to lower operating costs.
A failing water pump often gives warning signs: coolant leaks from the weep hole, bearing noise, or insufficient heater output. The 1004450213 pump is designed to avoid sudden failure.
Its robust construction allows for gradual wear detection, giving maintenance teams time to schedule replacement before catastrophic engine damage occurs. This proactive approach saves thousands in repair costs.
The water pump sub-assembly 1004450213 is a direct bolt-on replacement for the original pump on all Shacman X5000 trucks manufactured from 2015 onward. Installation requires moderate mechanical skill.
Before removal, drain the coolant and disconnect the battery. Remove the drive belt, fan, and fan clutch assembly. Unbolt the old pump using a 10mm socket and clean the mating surface thoroughly.
Apply a thin bead of high-temperature silicone gasket maker (or use the pre-cut gasket if supplied) to the new pump flange. Position the pump and torque the mounting bolts to 45 Nm in a crisscross pattern.
Reinstall the fan, belt, and refill with the specified coolant (ethylene glycol-based, 50/50 mix). Start the engine and check for leaks while bleeding air from the cooling system via the petcock valve.
This pump is fully compatible with X5000 standard tractors, X5000 dumpers, and X5000 M-series manipulator vehicles. Always verify the engine family (WP12, WP13) before ordering, though the 1004450213 fits most.
Inspect the water pump during every oil change: look for coolant residue near the weep hole, listen for grinding noises, and check pulley play. Replace the pump if any axial movement exceeds 1mm.
Always replace the drive belt and tensioner at the same time as the water pump to avoid premature wear. Using OEM 1004450213 ensures optimal alignment and belt life.
The Shacman X5000 is widely used in open-pit mining, where dust, vibration, and high ambient temperatures push cooling systems to their limits. The 1004450213 pump excels in these conditions.
In oilfield services, trucks often idle for hours in 50°C heat while powering hydraulic systems; the pump’s high flow capacity prevents overheating even at low engine RPM.
Logging operations involve steep grades and frequent clutch engagement, causing rapid temperature fluctuations. The ceramic mechanical seal withstands these thermal cycles without leaking.
For long-haul fleets traveling across deserts or mountain passes, the pump’s robust bearings ensure millions of rotation cycles without failure, backed by rigorous endurance testing.
Arctic applications see temperatures as low as -45°C; the cast iron housing resists cold embrittlement, and the sealed bearings retain grease viscosity in extreme cold.
Field tests on X5000 trucks operating in the Australian outback recorded over 800,000 km before any water pump-related issue occurred when using genuine 1004450213 pumps.
Choosing the genuine water pump sub-assembly guarantees exact dimensional accuracy, including flange thickness, impeller depth, and pulley offset. Aftermarket pumps often vary by several millimeters.
Such variations cause belt misalignment, premature wear, and reduced coolant flow. The genuine part eliminates these risks, ensuring the cooling system operates exactly as Shacman engineers intended.
Genuine pumps use premium materials: high-grade cast iron (GG25), ceramic seals from leading suppliers (EagleBurgmann), and NSK or SKF bearings. Counterfeit pumps often use inferior graphite seals and cheap bearings.
Using OEM components maintains vehicle warranty compliance and enhances resale value. Fleet managers prefer documented use of genuine parts for maintenance records and safety audits.
Additionally, the genuine 1004450213 pump includes a 12-month unlimited-mileage warranty against defects, giving peace of mind to fleet owners. Aftermarket pumps rarely offer such coverage.
Although an aftermarket water pump may be 40% cheaper upfront, the cost of an engine overhaul due to overheating typically exceeds $8,000. Investing in genuine 1004450213 is economical insurance.
Moreover, the genuine pump’s longer service life (typically 500,000-700,000 km versus 200,000 km for aftermarket) reduces labor and downtime over the vehicle’s lifetime.
Every 1004450213 water pump sub-assembly is manufactured in an IATF 16949-certified facility adhering to Shacman’s strict quality management system. Castings are sourced from approved foundries.
Each pump undergoes a 14-step quality check: housing porosity test, impeller balance (ISO 1940 G6.3), mechanical seal leak test (air under 2 bar water submersion), and final flow bench validation.
Bearing endplay is measured with a laser micrometer; acceptable range is 0.05-0.15 mm. Torque-to-turn is verified at 2.5 Nm maximum. Any deviation triggers a full batch review.
Salt spray testing (ASTM B117) for 480 hours confirms the cast iron’s corrosion resistance. The pump also passes thermal cycling from -40°C to +130°C for 500 cycles without seal leakage.
Only pumps that pass all criteria receive the official Shacman stamp and laser-etched OEM number 1004450213. This rigorous process ensures field reliability and customer satisfaction.
The genuine Shacman water pump sub-assembly 1004450213 is available through a global network of authorized distributors, including major logistics hubs in Dubai, Singapore, Hamburg, and Houston.
Each pump is packaged in a durable cardboard box with foam inserts to prevent damage during transit. The package includes the pump, a new gasket (or gasket maker), and mounting bolts (if required).
For fleet operators, bulk purchasing agreements are available, reducing per-unit cost and ensuring consistent inventory levels. Emergency orders can be fulfilled within 48 hours from regional stock.
Always inspect the packaging for Shacman holographic labels and batch numbers. Avoid sellers offering prices significantly below market average, as counterfeits are prevalent in the heavy-duty parts industry.
The Shacman Water Pump Sub-Assembly 1004450213 is far more than a simple pump – it is a precision-engineered component that safeguards your X5000 engine against overheating, bearing failure, and costly downtime. With its cast iron housing, high-efficiency impeller, ceramic seal, and pre-lubricated bearings, this OEM pump delivers unmatched durability in the harshest environments. Choosing genuine 1004450213 ensures perfect fitment, long service life, and compliance with Shacman’s quality standards. Keep your fleet running cool and productive – invest in the original cooling solution from Shacman.