While you wait for answers, we may have found some information which could help you.
Click here for Pressure Washer Leakingchallenge sander belt?
Pressure washer - Challenge (Argos) DW-1800BH?
where can i get drive belt for challenge belt sander mod 4789D?
challenge xtreme 1800w upright pressure washer ?
Battery?
My challenge extreme hedge trimmer keeps stopping?