Product Description
286539X TF-501 Air Compressor – Bendix Replacement for Detroit Diesel Engines
The 286539X TF-501 air compressor is a heavy-duty replacement compressor designed for Detroit Diesel engine applications used in commercial trucks and vocational vehicles. This compressor is available from Ace Motor Parts and is built for reliable operation in demanding fleet environments. Engine-driven air compressors generate the compressed air required to operate service brakes, parking brakes, and other pneumatic systems used on heavy-duty trucks.
This TF-501 configuration is commonly installed on Detroit Diesel powered trucks that utilize a flange-mounted compressor with a 0-degree tilt orientation. The durable two-cylinder piston design provides dependable airflow for air brake systems while maintaining stable operating temperatures through a combined water and air cooling system.
Detroit Diesel Applications
The 286539X compressor is designed for Detroit Diesel engine platforms used in heavy trucks, semi-tractors, and commercial vehicles that rely on engine-driven compressors to maintain air brake system pressure.
These compressors are commonly mounted directly to the engine using a flange mount configuration. With the inlet and discharge ports positioned on the same side of the compressor, installation is simplified in many Detroit Diesel accessory drive layouts.
TF-501 Compressor Design
The TF-501 compressor uses a two-cylinder reciprocating piston design that compresses air through a single-stage process. The compressor delivers approximately 12 cubic feet of air per minute at 1250 RPM, providing sufficient airflow to maintain proper air system pressure for commercial truck brake systems.
This configuration uses combined air and water cooling to help control operating temperatures during extended operation. Engine-supplied lubrication ensures that the compressor receives proper lubrication while operating under heavy load conditions.
Key Features
- Direct replacement for Bendix TF-501 air compressors
- Designed for Detroit Diesel engine applications
- Heavy-duty two-cylinder reciprocating piston compressor
- Flange mount engine-driven configuration
- Water and air cooled compressor design
- Right-side air inlet and discharge ports
- Flange style discharge connection
- Built for commercial truck air brake systems
- Includes installation gaskets
Technical Specifications
| Part Number | 286539X |
| Compressor Model | TF-501 |
| Mounting Style | Flange Mount (0° Tilt) |
| Drive Type | Engine Driven |
| Cylinder Quantity | 2 |
| Bore x Stroke | 2.625 in x 1.50 in |
| Rated Displacement | 12 CFM @ 1250 RPM |
| Displacement per Revolution | 16.5 cu in |
| Cooling Method | Air / Water Cooled |
| Air Inlet Location | Right |
| Air Outlet Location | Right |
| Maximum RPM | 3000 RPM |
| Horsepower @3000 RPM /100 PSI | 4.9 HP |
| Minimum Coolant Flow | 2.5 GPM |
| Minimum Unload Pressure | 60 PSI |
| Maximum Inlet Temperature | 250°F |
| Maximum Discharge Temperature | 400°F |
| Weight | 46 lbs |
| Typical Use | Heavy-Duty Truck Air Brake Systems |
286539X Compressor Cross Reference
| 101268 | 101641 | 101652 |
| 101893 | 102000 | 102003 |
| 103952 | 1092924 | 276962RX |
| 285976 | 285977 | 285978 |
| 285984 | 285988 | 286066 |
| 286200 | 286217 | 286539 |
| 286539X | 286539X-BW | 286539XBW |
| 286974 | 289941X | 5000939 |
| 5000939X | 745-286539X | 745286539X |
| BBH-286539 | BBH286539 | BEN286539X |
| BW286539X | BX286539X | E-BN286539X |
| EBN286539X | KN7080 | KNX7080 |
| N5502H | N5504A | R955286539X |
Part Number Reference
The 286539X air compressor replaces several TF-501 compressor numbers used in Detroit Diesel engine applications. Common interchange numbers include 285977, 285978, 286066, 286200, and 286217, as well as aftermarket replacements such as BEN286539X and KN7080. These compressors are commonly installed on heavy-duty trucks equipped with Detroit Diesel engines that require a flange-mounted TF-501 style compressor.
What Trucks Use the 286539X Air Compressor?
The 286539X TF-501 compressor is commonly installed on heavy-duty trucks powered by Detroit Diesel engines where a flange-mounted engine-driven compressor is required. These compressors are typically used in highway tractors, vocational trucks, and other commercial vehicles that rely on air brake systems.
Depending on the engine configuration, the EL13050X compressor may also be used as an alternate replacement.
The Role of the Air Compressor in Commercial Brake Systems
The air compressor is one of the most important components of a commercial vehicle’s braking system. It continuously pumps compressed air into the truck’s air reservoirs so the braking system maintains proper operating pressure.
If a compressor begins to wear internally, the system may take longer to build air pressure or struggle to maintain proper pressure during braking. Replacing a worn compressor restores proper air system operation and helps ensure reliable braking performance.
Browse our full selection of air brake compressors or explore our inventory of surplus air brake compressors for heavy duty trucks.