Cat Powerwasher Pump Model 4sf40gs1 Psi Fits 1 Gas Engine Shaft

Cat 4SF40GS1 pressure washer pump for parts or repair. Oil in pump is clear.

There is no water in the oil. The pump was tested on an 11hp Honda and achieved 3200 psi. It is rated 3500 psi. In addition, there seemed to be some cavitation or vibration when the trigger was pulled. Please see the video to see it producing plenty of pressure.

If it is mounted on a 13hp, it might achieve better pressure. The paint is peeling on the body of the pump, please see the pictures for the peeling. In addition, the label that shows the model number is torn and no longer adhered to the pump body. Box is 11"x10"x15 and 29 pounds.