Fleetguard AF25454 Air Filter
The Fleetguard AF25454 is a premium primary air filter of the Magnum RS Series, expertly engineered by Cummins Filtration for heavy-duty construction machinery and engineering vehicles. It is an OEM replacement part with precise dimensional design, boasting an overall height of 524mm and optimized radial seal structure, ensuring perfect fit and airtightness for matching equipment models of Caterpillar, Hitachi, Volvo and XCMG.
Equipped with high-efficiency composite filtration media made of polyester and wood pulp fibers, the filter achieves a filtration precision of 3-5μm and 99.99% filtration efficiency. It can effectively capture dust, dirt and various airborne contaminants, preventing harmful particles from entering the engine and providing a clean air supply for the combustion system.
Built with rust-resistant and robust materials, the AF25454 is designed to withstand harsh working conditions of heavy-duty equipment. Its innovative structural design not only enhances the filter’s overall durability but also optimizes air flow, balancing superior filtration performance with excellent air intake efficiency to support stable engine operation.
Advantages of AF25454 Air Filter
Exceptional filtration performance is the core advantage of the AF25454. With 3-5μm high filtration precision and 99.99% ultra-high filtration efficiency, it can thoroughly remove fine particulate matter in the air, forming a reliable protective barrier for the engine and effectively reducing internal wear of key components.
The filter features a durable and robust construction. Adopting rust-resistant materials and high-strength composite media, it has strong resistance to wear and tear, and can maintain stable performance under the harsh and complex working environments of heavy-duty machinery, avoiding premature filter failure caused by harsh conditions.
It is designed for perfect OEM matching and easy maintenance. The filter strictly meets or exceeds OEM specifications, with precise size and radial seal design ensuring seamless installation and good airtightness. Its structural design also simplifies the replacement process, reducing maintenance time and improving equipment operation efficiency.
The AF25454 delivers excellent cost-effectiveness for users. It has an extended service interval and long service life, which effectively reduces the frequency of filter replacement and maintenance costs. Meanwhile, by protecting the engine and extending its service life, it further lowers the overall operation and maintenance costs of the equipment in the long run.
Technical Specifications
| Part Number: | AF25454 |
| Filter Type: | Radial Seal Primary Air Filter |
| Dimensions: | Outer Diameter≈φ260mm, Overall Height≈524mm |
| Connection Specs: | Thread Specification: Radial Seal Connection |
| Filtration Precision: | 3-5μm |
| Filtration Efficiency: | 99.99% (ISO 4548 Standard) |
| Applicable Models/Platforms: | Construction Machinery (Caterpillar/Hitachi/Volvo/XCMG etc.) |
| Operating Conditions: | Harsh Working Environment (-40℃~+120℃) |
| Lead Time: | 15 – 30 Working Days |
| Payment Terms: | T/T ,L/C |
Filter Model | Dimensions | Connection Specs | Filtration Precision | Filtration Efficiency |
| AF25454 | Outer Diameter≈φ260mm, Overall Height≈524mm | Thread Specification: Radial Seal Connection | 3-5μm | 99.99% (ISO 4548 Standard) |
| AF55024 | Outer Diameter≈Φ305mm, Overall Height≈610mm | Thread Specification: Radial Seal Connection | 3-5μm | ≥99.99% (ISO 4548 Standard) |
| AF55318 | Outer Diameter≈φ305mm, Overall Height≈660mm | Thread Specification:Radial seal Φ279mm | 3-5μm | ≥99.99% (ISO 4548 Standard) |
| AF25437/AF25523 | Outer Diameter≈φ260mm, Overall Height≈457mm | Thread Specification: Radial seal Φ229mm | 3-5μm | ≥99.99%(ISO 4548 Standard) |
| AF25437/AF25524 | Outer Diameter≈Φ260mm, Overall Height≈457mm | Thread Specification: Radial seal Φ229mm | 3-5μm | ≥99.99% (ISO 4548 Standard) |
| AF25129M/AF25130M | Outer Diameter≈φ280mm, Overall Height≈508mm | Thread Specification: Radial seal Φ241mm | 3-5μm | ≥99.99% (ISO 4548 Standard) |
| AF25454/AF25468 | Outer Diameter≈φ260mm, Overall Height≈559mm | Thread Specification: Radial seal Φ229mm | 3-5μm | ≥99.99% (ISO 4548 Standard) |
| AF4838 | Outer Diameter≈φ240mm, Overall Height≈380mm | Thread Specification: Radial seal Φ203mm | 3-5μm | ≥99.99% (ISO 4548 Standard) |
| ——END—— | ||||
General Infomation of DCEC C220-10A Automotive Engine | |||
| Engine Model | C220-10A | Advertised Power | 220 HP @ 2400 RPM |
| Peak Torque | 780 N.m @ 1500 RPM | Curve&Datasheet | FR 91484 |
| Fuel System | Bosch P7100 Pump | No. Of Cylinders | 6 |
| Aspiration | Turbocharged & Air Intercooler | Displacement | 8.3 L |
| Bore * Stroke | 114 mm * 135 mm | CPL Code Revision | 8418 |
| Dry Weight | 617 kg | Wet Weight | 636 kg |
| Compression Ratio | 17.3 : 1 | ||
Installation Data of DCEC C220-10A Automotive Engine | |||
| Center of Gravity. Distance From Front Face of Block | 427 mm | ||
| Center of Gravity. Distance Above Crank Centerline(Above Crankshaft) | 163 mm | ||
| Maximum Bending Moment At Rear Face of Block | 1356 N.m | ||
| Maximum Crankshaft Thrust Bearing load limit- Intermittent load | 3558 N | ||
| Maximum Crankshaft Thrust Bearing load limit-Continuous load | 2670 N | ||
| Instantaneous Inertia At Rotating: (Without Flywheel) | N/A | ||
| Emissions Certification | GB17691/GB14761 | ||
| Idle Speed | 800 RPM | ||
| Maximum Non-Load Speed | 2720 RPM | ||
| Over Speed Performance (Within 15 Seconds) | 3500 RPM | ||
| The Clutch Torque @ 800Rpm | 495 N.m | ||
| Maximum Altitude At Which Continuous operation Is Allowed | 3000 m | ||
| Supercharger outlet Exhaust Pressure limit Value | 450 kPa | ||
| Maximum Power of Exhaust Brake | 114 kW | ||
| ——END—— | |||
Engine Performance Data Rated power of DCEC C220-10A Automotive Drive Engine | |||||
| Rated Power | Torque Peak | Rated Power | Torque Peak | ||
| Engine Speed | 2400 RPM | 1500 RPM | Exhaust Temperature | 625 ℃ | 602 ℃ |
| Oil Pressure | 345 kPa | 282 kPa | Fuel Consumption | 43 L/hr | 26.9 L/hr |
| The Air Flow | 18.9 m³/min | 9.1 m³/min | Coolant Flow | N/A | N/A |
| The Flow Rate of Pressurized Air | N/A | N/A | Heat Loss Coolant | 77 kW | 60 kW |
| Pressurized Air Pressure | N/A | N/A | Heat Loss Air | 46 kW | 14 kW |
| The Exhaust Flow | 45 m³/min | 21.3 m³/min | Mechanical Loss of Power | N/A | N/A |

System Technical Data of DCEC C220-10A Automotive Drive Engine | ||
| Air Intake System | Maximum Temperature Rise Between Ambient Air and Engine Air Inlet | 15 ℃ |
| Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Medium Duty | 2.9 (300) kPa (mmH2O) | |
| Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Heavy Duty | 3.7 (380) kPa (mmH2O) | |
| Maximum Intake Restriction with Dirty Filter | 6.2 (635) kPa (mmH2O) | |
| Turbocharged & Intercooled | Maximum Intake Manifold Temperature-Second Level | 55 ℃ |
| Maximum Intake Manifold Temperature-Three-Level | 50 ℃ | |
| Intercooler Cooling Temperature-Second Level | 25 ℃ | |
| Intercooler Cooling Temperature-Three-Level | 20 ℃ | |
| Maximum Allowable Pressure Difference Before and After Intercooling-Three-Level | 16.7 (125) kPa(mmHg) | |
| Minimum Inlet Pipe Diameter Allowed-Three-Level | 75 mm | |
| Exhaust System | Maximum Back Pressure Imposed by Complete Exhaust System | 10.0 (75) kPa (mmHg) |
| Exhaust Pipe Size Normally Accepable | 75 mm | |
| Maximum Static Bend Allowed for Turbocharger Exhaust Flange | N/A | |
| Lubrication System | Low oil Level Inclination Angle-Front Up | 45 ° |
| Low oil Level Inclination Angle-Back Up | 45 ° | |
| Low oil Level Inclination Angle-Fuel Pump Side Up | 45 ° | |
| Low oil Level Inclination Angle-Exhaust Side Up | 45 ° | |
| Oil Sump Capacity-Upper Limit | 14.2 L | |
| Oil Sump Capacity-Lower Limit | 12.4 L | |
| Capacity of The Whole System | 16.4 L | |
| Cooling System | Coolant Capacity – Engine only | 9 L |
| Standard Thermostat (Modulating) Range | 83 – 95 ℃ | |
| Minimum Fill Rate ( Without Low Level Alarm) | 19 L/min | |
| Minimum Coolant Expansion Space – % of System Capacity | 6 % | |
| Water Tank Capacity Without Water Expansion | 6 L | |
| Maximum Coolant Pressure (Without Pressure Cap, Thermostat Closed) | 276 kPa | |
| Maximum Degassing Time | 25 mins | |
| Maximum Coolant Flow to Accessories | 41 L/min | |
| Maximum Coolant Temperature Engine out | 100 ℃ | |
| Minimum Allows Pressure of Pressure Cap | 50 kPa | |
| Minimum Recommended Coolant Temperature | 70 ℃ | |
| Common Operating Temperature Range of Fans with Fan Clutch | 93 ℃ | |
| Maximum Coolent Temperature For Engine Protection Control | 100 ℃ | |
| The Limit Environmental Temperature at Rated Speed | Second Level 45 ℃;Three-Level 42 ℃ | |
| The Limit Environmental Temperature at Peak Torque | Second Level 40 ℃;Three-Level 37 ℃ | |
| 24V Electrical System | Maximum Allowable Resistance of Cranking Circuit | 0.002 Ω |
| The Cold Start Current When Engine and The Clutch Separate | 12 V 500 24 V 250 | |
| Cold Starting System | Maximum Unaided Cold Start Temperature | 120 RPM -10 ℃ |
| Maximum Aided Cold Start Temperature | 110 RPM -35 ℃ | |
| Fuel System | Maximum Fuel Return Resistance | 520 (mmHg) |
| Maximum Inlet Resistance of oil Pump with Clean Filter | 150 (mmHg) | |
| ——END—— | ||
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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