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46851 Heavy-Duty Air Induction Filter
Optimized for Cummins QSK 19 M Marine Propulsion and Gottwald Harbor Cranes. Delivering 1398 CFM Rated Volumetric Efficiency for Critical Port Infrastructure.
46851 Strategic Performance Highlights
Solving Airflow Restriction in Heavy-Duty Propulsion
In high-output diesel environments such as the **Cummins QSK 19 M**, the induction system is the engine's lungs. Even minor restriction leads to "Isochronous Operation" instability and accelerated turbocharger wear. The 46851 air filter serves as a critical defense, removing airborne contaminants before they reach the high-pressure combustion chamber. This capacity ensures a low pressure drop while shielding engine internals from abrasive port dust and saline particulates.
Engineered Reliability vs. Generic Alternatives
Port equipment frequently suffers from structural fatigue caused by moisture and high-vacuum cycles. Our 46851 utilizes **reinforced pleated media** and a robust disposable housing that maintains its Micron Rating throughout the service life. By eliminating the risk of "engine dusting," this filter protects high-value assets like **Gottwald HMK cranes** from catastrophic failure. We offer identical filtration efficiency to original brands without the significant "brand premium," providing a cost-effective solution for **SIMED 1000 KVA** fleets.
Primary Applications
- 🚢 Marine Propulsion: QSK 19 M Engines.
- 🏗️ Port Logistics: Gottwald HMK 300/3406.
- ⚡ Power Gen: SIMED 1000 KVA units.
- 🚜 Construction: Mining Excavators.
- 🏭 Industrial Plants: Backup Engines.
46851 Technical Specifications Matrix
| Feature | Specification (Imperial) | Specification (Metric) |
|---|---|---|
| Model Number | 46851 | 46851 |
| Overall Length | 25.80 inch | 655.32 mm |
| Body Length | 24.00 inch | 609.6 mm |
| Body Diameter (Max) | 13.50 inch | 343 mm |
| Outlet Diameter | 7.00 inch | 177.8 mm |
| Rated Flow (HR) | 1398 cfm | 39.6 m³/min |
| Restriction (HR) | 7 inch H2O | 17.44 mbar |
| Filter Style | Disposable Element | Disposable Element |
| Media Type | Cellulose/Synthetic | Cellulose/Synthetic |
46851 Cross Reference
| Brand | Part Number | Equipment Compatibility |
|---|---|---|
| Cummins | 3050498 | QSK 19 M Marine Engines |
| Fleetguard | AH1135 | Industrial Power Units |
| Donaldson | P524838 | Heavy Machinery |
| Wix Filter | 46851 | General Industrial |
| HiFi Filter | SA 16000 | European Standards |
| SF Filter | SL 81091 | Global Logistics |
| Inline | FA10075 | Aftermarket Support |
Quality Assurance Framework
Manufactured under ISO 9001:2015 quality systems, the 46851 air filter undergoes rigorous benchmarking against ISO 5011 standards. This verifies both dust-holding capacity and initial restriction levels, ensuring that every batch meets the performance criteria required for critical infrastructure protection.
Expert Technical FAQ
Q: How do I determine if replacement is required?
A: Monitor the air restriction gauge. When readings reach 15-25 inches of water for heavy diesel, or service hours are met, replace the element to prevent fuel-air ratio imbalance.
Q: Is the 46851 moisture resistant?
A: Yes. The filter media is treated to resist moisture absorption, preventing the "wet-plugging" effect common in Cummins QSK 19 M maritime environments.
Q: Can this replace Fleetguard AH1135 directly?
A: It is a 1:1 technical equivalent. It shares identical dimensions (25.80" length, 7.00" outlet) for a seamless plug-and-play installation.
Q: Why use a disposable style for Gottwald cranes?
A: The disposable housing provides a total environmental seal, eliminating the risk of dust entering the "clean side" of the intake during service-essential for port environments.
Prompt
When sourcing for the SIMED 1000 KVA or Gottwald HMK 5506, the primary metric is the Restriction HR. A 7-inch H2O restriction at 1398 cfm ensures that turbochargers are not over-stressed. The 46851 ensures high-displacement engines maintain their specified power curve while minimizing long-term maintenance TCO.
Wholesale Port & Fleet Logistics
Expedited processing available for Vessel Down or AOG situations. Tiered pricing for large-scale contracts.
Global Export Support • ISO 5011 Certified Engineering
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