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Donaldson P607557 Air Filter – Safety Obround The Donaldson P607557 is a safety obround air filter designed to serve as a secondary line of defense in heavy-duty engine air intake systems. It is part of the PSD (PowerCore®) series, offering high efficiency and compact design. Key Specifications: Filter Type: Safety (Secondary) Series: PSD (PowerCore®) Style: Obround Media Type: Safety Efficiency Test Standard: ISO 5011 Dimensions: Length: 14.47 inches (367.5 mm) Width: 9.47 inches (240.5 mm) Height: 1.57 inches (40 mm) Function and Application: The P607557 is engineered to: Act as a backup filter in case of primary filter damage or improper installation. Prevent contaminants from entering the clean side of the air intake system during primary filter servicing. Plug rapidly if contamination bypasses the primary filter, alerting operators to potential issues. It is recommended to replace the safety filter with every third primary filter change unless there has been a failure of the primary filter.

Donaldson P778906 Safety RadialSeal™ Air Filter The Donaldson P778906 is a high-efficiency safety air filter designed to work alongside the primary air filter in heavy-duty equipment. It serves as a secondary line of defense, protecting the engine from harmful contaminants in the event of a primary filter failure or during filter servicing. Key Features: Backup Engine Protection: Acts as a final safeguard by preventing dirt and debris from entering the engine if the primary filter is damaged or removed. RadialSeal™ Technology: Provides a reliable, vibration-resistant seal for easy installation and secure fit. Rapid Plugging Media: Engineered to quickly restrict airflow if contaminated, signaling the need for maintenance. Robust Design: Built to perform in harsh environments, ensuring long service life and consistent performance. Specifications: Part Number: P778906 Filter Type: Safety RadialSeal™ Air Filter Outer Diameter: 134.6 mm Inner Diameter: 94 mm Length: 449 mm Efficiency Standard: Meets ISO 5011 standards Application Type: Secondary air filtration for heavy-duty diesel engines Applications Include: Construction and Agricultural Equipment Off-Highway Machinery Industrial Engines Equipment operating in dusty or severe environments Donaldson P778906 helps protect your engine’s clean air intake path, extending the life of your equipment and ensuring consistent performance in the most demanding conditions.

Donaldson P537876 – Primary RadialSeal™ Air Filter The Donaldson P537876 is a high-efficiency primary air filter designed for heavy-duty diesel engines. Featuring RadialSeal™ technology, it ensures a secure, leak-resistant seal even under heavy vibration, providing reliable protection for engine components. Key Specifications: Filter Type: Primary Air Filter Style: RadialSeal™ Media Type: Cellulose Outer Diameter: 282 mm (11.09 inches) Inner Diameter: 148 mm (5.82 inches) Length: 510 mm (20.08 inches) Filtration Efficiency: 99.9% Efficiency Test Standard: ISO 5011 Features: RadialSeal™ Design: Provides a reliable, leak-resistant seal that remains secure even under heavy vibration. High-Efficiency Cellulose Media: Ensures effective filtration across a wide range of heavy-duty engine applications. Corrosion-Resistant Coated Steel Liners: Support the media during operation and help maximize airflow. Pleatloc™ Feature: Ensures uniform pleat spacing and prevents media from bunching, promoting longer service life. Applications: The P537876 filter is suitable for various heavy-duty equipment and machinery, including: John Deere 850D, 850D LC, 850J, 870 GP, 870G, 872 GP, 872G New Holland TX62, TX63 combines Hitachi 4459543, AT175223 Caterpillar 1525266 Volvo 11110022, 11110280 Sumitomo KSH0933 Case 275809A1, 87013225 Fleetguard AF25437 Baldwin RS3744 Fram CA8621 WIX 42803

Donaldson P536457 – Primary RadialSeal™ Air Filter The Donaldson P536457 is a high-efficiency primary air filter featuring RadialSeal™ technology, designed to provide superior filtration performance and durability in heavy-duty engine applications. Key Specifications: Filter Type: Primary Air Filter Style: RadialSeal™ Media Type: Cellulose Outer Diameter: 237 mm (9.33 inches) Inner Diameter: 130.9 mm (5.15 inches) Length: 330.2 mm (13.00 inches) Filtration Efficiency: 99.9% Efficiency Test Standard: ISO 5011 Features: RadialSeal™ Design: Provides a reliable, leak-resistant seal that remains secure even under heavy vibration. High-Efficiency Cellulose Media: Ensures effective filtration across a wide range of heavy-duty engine applications. Corrosion-Resistant Coated Steel Liners: Support the media during operation and help maximize airflow. Pleatloc™ Feature: Ensures uniform pleat spacing and prevents media from bunching, promoting longer service life. Applications: The P536457 filter is suitable for various heavy-duty equipment and machinery, including: Caterpillar CS533D, CS563D compactors with 3116T engines Mitsubishi 6D34TL excavators

Donaldson P564392 – Fuel Filter / Water Separator Cartridge The Donaldson P564392 is a premium fuel filter and water separator cartridge designed to offer superior fuel cleanliness and water separation for diesel-powered systems. It is commonly used in off-road vehicles, construction equipment, and industrial engines to ensure reliable performance in harsh operating environments. Key Features: Filter Type: Fuel Filter / Water Separator Filtration Efficiency: 2 microns (50% capture efficiency) Water Separation Efficiency: 95% for emulsified water Test Standard: SAE J1985 Outer Diameter: 111 mm (4.37 inches) Inner Diameter: 95 mm (3.75 inches) Length: 235 mm (8.93 inches) Design: Cartridge-type

Donaldson P550576 – Hydraulic Cartridge Filter The Donaldson P550576 is a high-performance hydraulic cartridge filter designed to protect sensitive hydraulic components from contamination and premature wear. It is suitable for use in mobile equipment, construction machinery, agricultural vehicles, and industrial hydraulic systems. Key Features: Filter Type: Hydraulic Cartridge Filter Outer Diameter: 42.5 mm (1.67 inches) Inner Diameter: 21.5 mm (0.85 inches) Length: 83.5 mm (3.29 inches) Media Type: High-efficiency cellulose Efficiency Rating: 17 microns @ Beta 2 Collapse Burst Pressure: 15 bar (218 psi) Application Use: Return line or suction side hydraulic systems

Donaldson P550777 Spin-On Bypass Lube Filter The Donaldson P550777 is a high-performance spin-on bypass lube filter engineered to protect engine systems by efficiently removing contaminants from engine oil. This filter is designed to maintain oil cleanliness, ensuring optimal engine performance and longevity. Key Features: Filter Type: Spin-On Bypass Lube Filter Media Type: Cellulose Thread Size: 1 3/8-16 UN Length: 260 mm (10.24 inches) Outer Diameter: 118 mm (4.65 inches) Gasket Inner Diameter: 98 mm (3.86 inches) Gasket Outer Diameter: 110 mm (4.33 inches) Efficiency Ratings: 50% at 9 microns 99% at 22 microns Collapse Burst Pressure: 10.3 bar (149 psi) Applications: The P550777 is suitable for a wide range of heavy-duty applications, including: Agricultural machinery Construction equipment Industrial engines Heavy-duty It is compatible with various equipment brands and models, ensuring versatility across different machinery.

Donaldson Air Filter (Panel Ventilation) – Part No. P500194 The Donaldson P500194 is a high-efficiency panel-style ventilation filter designed to protect vehicle cabins and equipment enclosures by capturing airborne contaminants before they enter critical spaces. Its durable construction and premium media deliver reliable dust and particulate removal, helping operators breathe cleaner air and safeguarding sensitive components. Key Features High-Efficiency Cotton Media Premium cotton-based media provides 99% efficiency (tested to JIS D 1612 standards), effectively removing dust, pollen, and other irritants. Durable Construction Coated steel inner and outer liners support the media structure, maximizing airflow and extending service intervals in harsh operating conditions. Pleatloc™ Design Ensures uniform pleat spacing to prevent media bunching, promoting longer service life and consistent performance throughout the filter’s duty cycle. Direct OEM Replacement Designed as a direct replacement for Volvo part number 11703979, ensuring hassle-free installation and reliable fit. Specifications Length: 435 mm (17.13 in) Width: 123 mm (4.84 in) Height: 44 mm (1.73 in) Efficiency: 99% @ JIS D 1612 Media Material: Cotton (cellulose) Filter Style: Panel (ventilation) Primary Application: Volvo 11703979 replacement Typical Applications Cabin Ventilation for Heavy-Duty Equipment Commonly installed in construction machinery, agricultural tractors, and telehandlers to maintain a clean cabin environment. OEM Replacement for Volvo Equipment Suited for Volvo articulated haulers, excavators, and related models requiring Volvo part 11703979. Use Part No. P500194 for a reliable panel-style cabin or equipment-enclosure filter that combines high particulate removal efficiency with extended service life.

Donaldson Fuel Filter Water Separator – Part No. P551026 The Donaldson P551026 is a spin-on fuel filter and water separator featuring Twist & Drain™ technology, engineered to protect diesel engines by removing solid contaminants and separating water from fuel. Its robust design and high-efficiency media ensure reliable fuel cleanliness in demanding applications. Key Features: Dual-Stage Filtration Combines cellulose and meltblown media to remove particles down to 10 microns with 99% efficiency, while separating 95% of emulsified water to safeguard injectors and pumps. Twist & Drain™ Maintenance Integrated twist-to-drain valve lets you discharge accumulated water without removing the cartridge, simplifying servicing and minimizing fuel spillage. Heavy-Duty Construction Sturdy canister and seal materials withstand vibration and pressure fluctuations for extended service life in heavy-duty environments. Specifications: Outer Diameter: 107.3 mm (4.22 in) Length: 243.6 mm (9.59 in) Thread Size: 1-14 UN Gasket Outer Diameter: 99 mm (3.90 in) Gasket Inner Diameter: 90.3 mm (3.56 in) Filtration Efficiency: 99% @ 10 µm (ISO 19438 / SAE J1985) Emulsified Water Separation: 95% (SAE J1985) Media Type: Cellulose and meltblown Style: Spin-on, Twist & Drain™ Typical Applications: Heavy-Duty Trucks & Buses Ensures clean, dry diesel fuel for on-highway and vocational vehicles. Off-Road & Industrial Equipment Fits construction machinery, agricultural tractors, and mining equipment requiring reliable water separation. OEM Retrofit & Aftermarket Replacement Cross-references many OEM part numbers (for example, Baldwin BF1363, Fleetguard FS19737, Mann+Hummel PL4207X, Mercedes-Benz 9604770003, Volvo 11110474). Use Part No. P551026 to maintain fuel-system integrity, prevent water-related corrosion, and extend component life in demanding diesel applications