2021 A U-DUMP ATV/UTV 4' x 6' Self Contained Dump U-Dump Trailers - 2,334 mi. away. $2,495. Premium. 2021 A U-DUMP ATV/UTV 4' x 6' Self Contained Dump U-Dump Trailers - 2,334 mi. away. $6,695. Premium. 2021 A U-DUMP 7' x 12' 10K Low Profile PRO Series U-Dump Trailers - 2,334 mi. away.