On October 30, 2017, it was announced that Austin Wayne Self moved to Niece Motorsports to drive the No. 22 truck full-time in 2018.
Truck No. 40 history
In 2017, the No. 38 truck ran two races with T. J. Bell as a start-and-park team. In 2018 the No. 38 truck planned to run at least four races with Max McLaughlin as the driver, starting at Eldora. McLaughlin qualified the race and finished 12th in his NASCAR debut. However, the deal fell through and McLaughlin only ran at Eldora. Ross Chastain ran 3 races with the best finish of 12th at Bristol. Bell returned to the No. 38 at Las Vegasin September and finished 21st due to a crash. Landon Huffman also drove for the team, he failed to qualify at Martinsville 2 and finished 25th at ISM Raceway. In 2019, Bell returned once again to the No. 38 as a field-filler at Kansas, since only 30 trucks showed up. Chastain drove the No. 38 with sponsorship from TruNorth Global at Texas 2 and finished 10th. In 2020, the No. 38 truck renumbered to the No. 40 and it is being shared by Ross Chastain, Garrett Smithley, Ryan Truex, T. J. Bell, Travis Pastrana, and Carson Hocevar.
Truck No. 42 history
In 2020, Ross Chastain announced that he would drive the No. 42 part-time.
Truck No. 44 history
On January 31, 2019, Timothy Peters announced that he would join Niece for the first three events of the 2019 NASCAR Gander Outdoors Truck Series schedule. After two top-tens in his first two events, Peters said that there is the possibility to run more races with the team. Reid Wilson drove the No. 44 truck in 2 races with a best finish of 13th at Dover. Angela Ruch is scheduled to drive the No. 44 truck in 12 races in 2019. Jeb Burton drove the truck in the July race at Kentucky. Ty Majeski drove the truck at ISM. Natalie Decker signed with the team for the 2020 season. On February 14, 2020, she finished fifth at Daytona, becoming the highest-finishing female driver in Truck Series history.
Truck No. 45 history
Niece Motorsports made their debut in 2016 with Casey Smith driving for two races. The team returned in 2017, at first planning on running only part-time but were able to run the full schedule with various drivers, with T. J. Bell driving most of the races. In 2018, it was announced that Justin Fontaine would drive the No. 45 truck full-time. Fontaine started the season with a top 10 finish at Daytona and Las Vegas. On January 18, 2019, it was announced that Ross Chastain and Reid Wilson would split driving duties for the upcoming season. Chastain started off the year with two of the best results in team history, a third at Daytona and a sixth at Atlanta. In April, Kyle Benjamin joined the team for a seven-race schedule starting at Texas in June. On May 10, 2019 Ross Chastain delivered his first truck win and the team's first win at Kansas after Stewart Friesen's underfueled truck ran out of gas with three laps remaining. In June, he announced his intention to switch to Truck Series points to compete for a championship in the series. Chastain finished the season with 3 wins, 10 Top-5, 19 Top-10, 1 pole and finishing 2nd in the standings. On December 10, 2019, it was announced that Ty Majeski would drive this truck full-time for the 2020 NASCAR Gander RV & Outdoors Truck Series season, replacing Chastain.