DFI offers new and used trucks, we offer trucks from most major domestic truck manufacturers, or we are pleased to mount any DFI equipment on the customers chassis.

Most common issue for loss of pressure is an open sump.

All DFI water tanker have an internal reservoir for the self filling function. The reservoir must be full to use this function. Please refer to the owner manual found on the website.

Any good 10 weight non-foaming hydraulic oil. DFI recommends UNION AW46.

Yes, depending on the hydraulic function, please give us a call and we are happy to assist.