- Type: single stage, centrifugal.
- Manufacturer: allis chalmers inc.
- Model: P.W.O. 
- Size: 8 x 6 x 17m
- Capacity: 3300 LPM.
- Priming system high efficiency vacuum priming system.
- Engine: -Manufacturer lister.
- Tyle 4 - stroke diezel.
- Number of cylinders: 6 air cooled.
- Bore: 107.95 mm.
- Stroke: 114,3mm.
- Model: HL6
- Rating: 87 HP at 1800 RPM