A specification sheet for the Cummins QSL9 Series fire pump drive engine, detailing features, ratings, emissions compliance, and technical data.
This document is a specification sheet for the Cummins QSL9 Series fire pump drive engine, specifically the CFP9E and CFP9EVS models. It highlights features such as Variable Speed Pressure Limiting Control (VSPLC) for maintaining constant pump discharge pressure and EPA Tier 3 emissions compliance. The engine is designed for fire pump applications with certifications including NFPA 20, UL 1247, and FM 1333.
| Engine type | 4 Cycle; In-Line, 6 Cylinder |
|---|---|
| Displacement | 543 in3 (8.9 L) |
| Compression ratio | 17.8:1 |
| Fuel system | Cummins Common Rail (CCR) |
| Emissions standard | EPA Tier 3 |
| Operating speed options | 1470, 1760, 1900, 2100, 2300 RPM |
| Fuel type | No. 2 diesel only |
| Cooling system type | Tube and shell type, 60 PSI |
| Alternator output (standard) | 12V-DC, 95 amps |
The CFP9E-F40 complies with NFPA 20 and is UL 1247 Listed and FM 1333 Approved.
It maintains a constant pump discharge pressure by controlling the engine speed down to 1200 RPM.
The maximum allowable back pressure is 40.8 in. H2O (10.2 kPa).
The recommended minimum water supply pipe size is 0.75 in. (19.05 mm).