The 62-year-old Elmwood Park resident had his leg rolled over when the truck went into gear in the early afternoon at the River Road site, Fair Lawn Police Sgt. Eric Eleshewich said.
Members of the Fair Lawn Volunteer Ambulance Corps took the victim to St. Joseph's University Medical Center in Paterson.
The victim's wife told Daily Voice her husband suffered a broken leg, a fractured pelvis and back and major tissue damage.
The Fair Lawn Police Traffic Division is reviewing the circumstances of the mishap.
Kyle Mazza/UNF News took the photos and contributed to this account.
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