MINNEAPOLIS (WCCO) — The Minnesota State Patrol has released images of a semi that is believed to be involved in a Moorhead crash that killed two brothers in June.

On June 23, 2015 just after 9 a.m., the crash on Interstate 94 killed 18-year-old Zach Kvalvog and his 14-year-old brother, Connor.

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The Kvalvogs and two other boys were heading to a basketball camp in Wisconsin. A survivor told authorities that a semi-truck was “extremely close” to their pickup just before the crash.

On Wednesday, the state patrol released pictures of the semi, which was determined by investigators to be in the vicinity of and time of the crash.

(credit: MN State Patrol)

(credit: MN State Patrol)

The semi is described as a late-80s to mid-90s Kenworth tractor, Model T600 to T800, with an Aerodyne sleeper and dark blue cab.

Additional details are as follows:

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• The Tractor has what appears to be a KW T680 Grille Guard or similar.

• Photographs shows one radiator, or grill bar, running vertically from the hood ornament straight down.

• The License plate has a sequence of numbers of either 024 or 025, most likely at the end of the plate sequence. The state of registration is unknown.

• The trailer is white with no visible markings.

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(credit: MN State Patrol)

(credit: MN State Patrol)

Anyone who locates or knows of a vehicle matching this description is asked to please call Sgt. Rod Eischens at 218-846-8244 or email Rod.Eischens@state.mn.us.