Questions and Answers for DEWALT 4200 PSI 4.0 GPM Gas Cold Water Pressure Washer with HONDA GX390 Engine

A:  Hi, Cody. This comes equipped with a Downstream injection system. Thanks for your interest & let us know if we can help with any further questions.

A:  Sorry for the confusion, Mike. Yes, this unit has an adjustable unloader valve for pressure adjustment. Thanks for reaching out & bringing this to our attention!

A:  Thanks for reaching out, Angela. The DXPW3400PR is the only Dewalt which has this feature. Hope this helps.

A:  Hi, TASACT. The range is from 1000 PSI to 4200 PSI. Thanks for the question.

A:  Thanks for the question, Tasact. The CAT pumps differ in pressure and flow. The 3800 delivers 3800 PSI & 3.5 GPM, and the 4200 delivers 4200 PSI & 4.0 GPM. Hope this helps.

A:  Thanks for the question, Ricardo. You need to remove the red shipping plug from the pump and install the yellow vented plug in its place. We're glad you reached out & hope this helps.

A:  The red pump oil plug has a black tiny vent cap. It must be removed before operation.

A:  Hi, Fixer. If you are looking to extend your reach, you can check with your local retailer and should be able to find a longer hose for your unit!

A:  We're glad you reached out, DXPW60605. No, this is a cold-water pump and has a maximum inlet temperature of 100 degrees. Thanks for the question.

A:  Hi, Bill. Yes, all pressure washers are designed to operate at full throttle. Thanks for the question.

A:  Hi, Miles. Dewalt actually does not have a trigger gun with an inlet swivel. Thanks for the question & let us know if we can help with anything else.