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Fleetguard AF25437/AF25524 Air Filter

The Fleetguard AF25437/AF25524 is a high-performance radial seal primary air filter from the Magnum RS Series, tailored for heavy-duty construction machinery and commercial vehicles. As an OEM-grade replacement part by Cummins Filtration, it features precision dimensional design and strict quality control, ensuring perfect fit and airtight sealing with Caterpillar, Volvo, XCMG and Cummins platforms, eliminating intake system air leakage risks in complex working conditions.

Equipped with advanced multi-layer composite filtration media, the filter achieves exceptional fine particle capture capability. It effectively traps dust, sand and airborne contaminants in dusty, high-vibration working environments, preventing abrasive particles from entering the engine and protecting key components like cylinders and pistons from premature wear, safeguarding stable engine operation.

Engineered for durability and efficiency, the filter adopts high-strength end caps and tear-resistant media to enhance structural stability. Its optimized airflow design minimizes intake resistance while maintaining superior filtration performance, ensuring sufficient air supply for engine combustion and supporting long-term high-load operation of heavy-duty equipment.

Advantages of AF25437/AF25524  Air Filter

  • The filter delivers ultra-high and stable filtration performance, with 3-5μm precision and ≥99.99% filtration efficiency. It thoroughly captures fine particulates in the air, forming a reliable protective barrier for the engine intake system, effectively reducing internal component wear and extending the overall service life of the engine in harsh working conditions.

  • It features OEM-level perfect compatibility and wide applicability. Strictly designed to match the original equipment’s dimensional and structural requirements, it is suitable for a variety of heavy-duty construction machinery and commercial vehicles, enabling quick and accurate replacement without additional modification, greatly saving maintenance time.

  • Built with rugged and durable materials, the filter has strong environmental adaptability. It resists high temperature, vibration and dust erosion, maintaining stable filtration performance under the extreme working conditions of construction sites and long-distance transportation, avoiding premature filter failure and reducing unplanned equipment downtime.

  • It offers excellent long-term cost-effectiveness for users. With a large dust holding capacity and extended service interval, it reduces the frequency of filter replacement and daily maintenance costs. By effectively protecting the engine and lowering the risk of unexpected failures, it further cuts down the overall operational and maintenance expenses of equipment.

Technical Specifications

Part Number:AF25437/AF25524
Filter Type:Radial Seal Primary Air Filter
Dimensions:Outer Diameter≈Φ260mm, Overall Height≈457mm
Connection Specs:Thread Specification: Radial seal Φ229mm
Filtration Precision:3-5μm
Filtration Efficiency:≥99.99% (ISO 4548 Standard)
Applicable Models/Platforms:Heavy-duty construction machinery & commercial vehicles (Caterpillar/Volvo/XCMG/Cummins etc.)
Operating Conditions:-40℃~+120℃, Dust/Vibration Resistant
Lead Time:15 – 30 Working Days
Payment Terms:T/T ,L/C

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Filter Model

Dimensions

Connection Specs

Filtration Precision

Filtration Efficiency

AF25437/AF25524Outer Diameter≈Φ260mm, Overall Height≈457mmThread Specification: Radial seal Φ229mm3-5μm≥99.99% (ISO 4548 Standard)
AF55024Outer Diameter≈Φ305mm, Overall Height≈610mmThread Specification: Radial Seal Connection3-5μm≥99.99% (ISO 4548 Standard)
AF55318Outer Diameter≈φ305mm, Overall Height≈660mmThread Specification:Radial seal Φ279mm3-5μm≥99.99% (ISO 4548 Standard)
AF25437/AF25523Outer Diameter≈φ260mm, Overall Height≈457mmThread Specification: Radial seal Φ229mm3-5μm≥99.99%(ISO 4548 Standard)
AF25454Outer Diameter≈φ260mm, Overall Height≈524mm Thread Specification: Radial Seal Connection3-5μm99.99% (ISO 4548 Standard)
AF25129M/AF25130MOuter Diameter≈φ280mm, Overall Height≈508mmThread Specification: Radial seal Φ241mm3-5μm≥99.99% (ISO 4548 Standard)
AF25454/AF25468Outer Diameter≈φ260mm, Overall Height≈559mmThread Specification: Radial seal Φ229mm3-5μm≥99.99% (ISO 4548 Standard)
AF4838Outer Diameter≈φ240mm, Overall Height≈380mmThread Specification: Radial seal Φ203mm3-5μm≥99.99% (ISO 4548 Standard)
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General Infomation of DCEC C220-10A Automotive Engine

Engine ModelC220-10AAdvertised Power220 HP @ 2400 RPM
Peak Torque780 N.m @ 1500 RPMCurve&DatasheetFR 91484
Fuel SystemBosch P7100 PumpNo. Of Cylinders6
AspirationTurbocharged & Air IntercoolerDisplacement8.3 L
Bore * Stroke114 mm * 135 mmCPL Code Revision8418
Dry Weight 617 kgWet Weight 636 kg
Compression Ratio17.3 : 1

Installation Data of DCEC C220-10A Automotive Engine

Center of Gravity. Distance From Front Face of Block427 mm
Center of Gravity. Distance Above Crank Centerline(Above Crankshaft)163 mm
Maximum Bending Moment At Rear Face of Block1356 N.m
Maximum Crankshaft Thrust Bearing load limit- Intermittent load3558 N
Maximum Crankshaft Thrust Bearing load limit-Continuous load2670 N
Instantaneous Inertia At Rotating: (Without Flywheel) N/A
Emissions CertificationGB17691/GB14761
Idle Speed800 RPM
Maximum Non-Load Speed2720 RPM
Over Speed Performance (Within 15 Seconds)3500 RPM
The Clutch Torque @ 800Rpm495 N.m
Maximum Altitude At Which Continuous operation Is Allowed3000 m
Supercharger outlet Exhaust Pressure limit Value 450 kPa
Maximum Power of Exhaust Brake114 kW
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Engine Performance Data Rated power of DCEC C220-10A Automotive Drive Engine

Rated PowerTorque PeakRated PowerTorque Peak
Engine Speed2400 RPM1500 RPMExhaust Temperature625 ℃602 ℃
Oil Pressure345 kPa282 kPaFuel Consumption43 L/hr26.9 L/hr
The Air Flow18.9 m³/min9.1 m³/minCoolant FlowN/AN/A
The Flow Rate of Pressurized AirN/AN/AHeat Loss Coolant77 kW60 kW
Pressurized Air PressureN/AN/AHeat Loss Air46 kW14 kW
The Exhaust Flow45 m³/min21.3 m³/minMechanical Loss of PowerN/AN/A

Performance-Curve-of-C220-10A-Engine-for-Vehicle.webp

System Technical Data of DCEC C220-10A Automotive Drive Engine

Air Intake SystemMaximum Temperature Rise Between Ambient Air and Engine Air Inlet15
Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Medium Duty2.9 (300) kPa (mmH2O)
Maximum Intake Restriction with Dry Type Air Cleaner,with Clean Filter-Heavy Duty3.7 (380) kPa (mmH2O)
Maximum Intake Restriction with Dirty Filter6.2 (635) kPa (mmH2O)
Turbocharged & IntercooledMaximum Intake Manifold Temperature-Second Level55
Maximum Intake Manifold Temperature-Three-Level50
Intercooler Cooling Temperature-Second Level25
Intercooler Cooling Temperature-Three-Level20
Maximum Allowable Pressure Difference Before and After Intercooling-Three-Level16.7 (125) kPa(mmHg)
Minimum Inlet Pipe Diameter Allowed-Three-Level75 mm
Exhaust SystemMaximum Back Pressure Imposed by Complete Exhaust System10.0 (75) kPa (mmHg)
Exhaust Pipe Size Normally Accepable75 mm
Maximum Static Bend Allowed for Turbocharger Exhaust FlangeN/A
Lubrication SystemLow oil Level Inclination Angle-Front Up45 °
Low oil Level Inclination Angle-Back Up45 °
Low oil Level Inclination Angle-Fuel Pump Side Up45 °
Low oil Level Inclination Angle-Exhaust Side Up45 °
Oil Sump Capacity-Upper Limit14.2 L
Oil Sump Capacity-Lower Limit12.4 L
Capacity of The Whole System16.4 L
Cooling SystemCoolant Capacity – Engine only9 L
Standard Thermostat (Modulating) Range83 – 95
Minimum Fill Rate ( Without Low Level Alarm)19 L/min
Minimum Coolant Expansion Space – % of System Capacity6 %
Water Tank Capacity Without Water Expansion6 L
Maximum Coolant Pressure (Without Pressure Cap, Thermostat Closed)276 kPa
Maximum Degassing Time25 mins
Maximum Coolant Flow to Accessories41 L/min
Maximum Coolant Temperature Engine out100
Minimum Allows Pressure of Pressure Cap50 kPa
Minimum Recommended Coolant Temperature70
Common Operating Temperature Range of Fans with Fan Clutch93
Maximum Coolent Temperature For Engine Protection Control100
The Limit Environmental Temperature at Rated SpeedSecond Level 45 ;Three-Level 42
The Limit Environmental Temperature at Peak TorqueSecond Level 40 ;Three-Level 37
24V Electrical SystemMaximum Allowable Resistance of Cranking Circuit0.002
The Cold Start Current When Engine and The Clutch Separate12 V 500 24 V 250
Cold Starting SystemMaximum Unaided Cold Start Temperature120 RPM -10  
Maximum Aided Cold Start Temperature110 RPM -35  
Fuel SystemMaximum Fuel Return Resistance520 (mmHg)
Maximum Inlet Resistance of oil Pump with Clean Filter150 (mmHg)
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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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