2500 040 004 Single Cylinder Compressor
2500 040 004
Summary
This water-cooled single cylinder air compressor features a 318cm³ swept volume, Ø85.00 mm cylinder bore, and 56 mm stroke. Designed for heavy commercial vehicle air brake systems, it includes 3/4”-14 NPT air ports and M10x1 unloader port for reliable performance. Compatible with WABCO systems. Equivalent to OE Cummins 4930344 and WABCO 9111550620.
| EAN Code | 8699031068862 |
|---|
Ready to Order
Compatible OEM Codes
-
WABCO
- 911 155 062 0
-
CUMMINS
- 4930344
Description
What does a single cylinder compressor do?
This single cylinder air brake compressor is a piston-type unit designed to generate the essential compressed air required for heavy commercial vehicle braking systems. By utilizing a single-piston housing structure, it provides a reliable source of pneumatic pressure for the air processing unit and storage tanks. This component acts as the primary link in the pneumatic circuit, ensuring consistent pressure delivery for safe braking performance.Compatible vehicles and engines
This specific model is engineered for heavy-duty applications, featuring a water-cooling system to manage thermal loads effectively during operation. It is compatible with WABCO systems and is suitable for various heavy commercial vehicle applications where compact design and efficient air production are required. The unit is designed to integrate seamlessly into existing pneumatic architectures.Installation and maintenance
Installation and maintenance should focus on the cooling system integrity and port connections. This unit features a 3/4”-14 NPT air inlet and outlet, along with 1/2”-14 NPT water ports to facilitate proper thermal regulation. Technicians should ensure all connections are secure to prevent pressure drops or coolant leaks during engine operation.Troubleshooting and maintenance
Regular inspection of the unloader port and drive mechanism is recommended to maintain optimal efficiency. Proper maintenance of the cooling lines ensures the compressor operates within its intended thermal range, preventing premature wear of internal components.OE cross-reference
2500 040 004 (Single Cylinder Compressor) is the equivalent of the Cummins and WABCO OE numbers. This part directly replaces Cummins OE number 4930344. It also replaces WABCO OE number 9111550620.Technical Specifications
| Cylinder Bore | Ø85.00 |
|---|---|
| Stroke | 56 mm |
| Swept Volume | 318cm³ |
| Air Inlet Port | 3/4”-14 NPT |
| Air Outlet Port | 3/4”-14 NPT |
| Number of Cylinders | 1 |
| Through Drive | OK |
| Air Unloader Port | M10x1 |
| Water (W) or Air (A) Cooled | W |
| Water Inlet Port | 1/2”-14 NPT |
| Water Outlet Port | 1/2”-14 NPT |
| With ESS Feature | OK |
Other OEMs
CUMMINS
- 4930344
WABCO
- 9111550620
- 911.155.062.0
- 911 155 062 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| CUMMINS | |||
| WABCO |
FAQ
What is the primary function of this single cylinder compressor?
It acts as the first link in the air brake system, compressing intake air and sending it to the processing unit to provide necessary pressure for braking.
How is this compressor cooled?
This specific model is a water-cooled unit, utilizing 1/2”-14 NPT ports to manage operating temperatures during heavy-duty use.
What are the key technical specifications for this unit?
It features a Ø85.00 mm cylinder bore, a 56 mm stroke, and a total swept volume of 318cm³, ensuring efficient air production.
Which systems is this compressor compatible with?
This unit is designed to be compatible with WABCO systems and other heavy commercial vehicle pneumatic architectures.
What are the OE reference numbers of this part?
2500 040 004 directly replaces Cummins OE number 4930344. It also replaces WABCO OE number 9111550620.