Ehrhardts is a full service RV and utility trailer repair and service center offering quality utility/cargo trailers, trailer parts, and trailer repairs in Northern Illinois. Does your RV or trailer need service or parts? Bring it to our professional service and parts departments and our factory trained technicians will take care of you! Come visit our Illinois trailer and RV service center in Des Plaines, IL today located just minutes from OHare Airport, 4 miles from the I-90 & I-294 intersection.