AF891M Air Filter delivers engineered ultra-high volume primary air purification, specifically built to isolate airborne dust particles, micro-silica, and coarse grit before they enter the high-capacity combustion chambers of heavy-duty earthmoving and mobile crane systems.
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AF891M Air Filter
Fleetguard AF891M Series
AF891M Air Filter Technical Description
This large-scale industrial induction element uses a premium non-flame resistant media matrix braced by dual corrosion-resistant galvanized steel reinforcement grids. Engineered to handle continuous mass volumetric intake flow without vacuum collapse, it balances low initial differential pressure drops with massive dirt storing thresholds. The heavy elastomeric end profile forms a tight axial compression boundary within factory canisters to block raw bypass entry and guarantee continuous machinery operational stability.
Dual Galvanized Cage RigidityConcentric inner and outer structural steel cages enclose the media pleats, completely stopping element distortion or pleat bunching under severe engine vacuum surges.
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Definitive Axial Compression BarrierResilient, high-density sealing material maintains uniform mechanical tension against the filter enclosure face to eliminate any potential dirty air tracking.
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Extended Fleet Maintenance CyclesHigh-efficiency particle trapping ensures an exceptional Dirt Holding Capacity (DHC), reducing element change-out frequency while shielding upper cylinders from abrasive scoring.
AF891M Air Filter Technical Specifications
Filter ClassificationIndustrial Primary Air Induction Cleaner
Media ProcessingPremium Non-Flame Resistant
Outer Diameter (OD)324.4 mm
Inner Diameter (ID)212.3 mm
Sealing InterfaceResilient Axial Compression Material
Interchange Matrix / Cross-Reference: Fleetguard AF891M, Donaldson P181049, HiFi Filter SA 10841, Mann Filter C 31 1226, Luberfiner LAF6453
Industrial Applications
1. High-Tonnage Infrastructure Construction, Wheel Loaders & Super Excavators
Provides reliable mass particle trapping on vast aggregate loading sites and high-impact rock quarries where continuous structural vibration and fine stone dust require absolute engine defense.
CASE Heavy Earthmovers: 1221 E high-capacity wheeled loaders, CX 800 B large-scale tracked hydraulic quarry excavators.
LIUGONG Construction Equipment: 920 D tracked earthmoving systems.
BOMAG Subgrade Soil Stabilizers: MPH 364-2, RS 360 heavy-duty asphalt recyclers and deep soil stabilization machinery.
2. All-Terrain Mobile Lifting, Crane Complexes & Vocational Transport
Ensures constant volumetric intake purification for multi-axle carrier units and high-horsepower vocational power blocks performing under high-stress lifting and hauling cycles.
GROVE All-Terrain & Hydraulic Truck Cranes: TMS 700 E, TMS 700 E07, TMS 700 E10, TMS 700 E13, TMS 800 E07, TMS 800 E13, TMS 800 E2, TMS 9000 E, TMS 9000 E10, TMS 9000 E13, TMS 900 E, TMS 900 E07, TMS 9100 E mobile crane frameworks.
IVECO Long-Haul Freight Vehicles: Strator 560 severe-duty vocational transport trucks.
3. Deep Hole Drilling, Exploration & Pneumatic Air Compressors
Maintains continuous induction stream cleaning for remote stationary or portable rock blasting equipment running over uninterrupted full-load cycles.
INGERSOLL RAND Track Rigs & Screw Compressors: ECM 720, ECM 760 high-performance crawler drill tracks; HP 1300 WCUX, XHP 750, XHP 750 WCAT heavy portable rotary screw air compressors.
COMPAIR-HOLMAN Power Air Stations: TGA 320, TGA 325, TGA 425 high-output pneumatic utility trailer packages.
ATLAS COPCO Support Assets: MS 360 heavy-duty exploratory mining machinery platforms.
4. Large-Scale Agricultural Processing, Forestry Grinders & Power Generation
Specially engineered to handle high-chaff field harvesting environments and airborne organic debris from high-speed timber reduction operations.
