General Motors has announced that it will invest an additional $20 million into its Arlington Assembly plant, boosting its ongoing investments into truck and SUV facilities to in excess of $4.2 billion.

The Arlington plant in Texas has been responsible for building a variety of body-on-frame GM vehicles throughout the past 20 years and currently builds the Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, GMC Yukon XL, and the Cadillac Escalade. GM’s $20 million investment will be funneled towards upgrading plant conveyors in preparation for the launch of all-new full-size SUVs in the coming years.

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“We’ve been building trucks in Texas for more than 20 years, and our additional investment in Arlington Assembly is proof of our commitment and confidence in our Arlington team,” GM executive vice president of Global Manufacturing, Gerald Johnson said. “We are counting on the Arlington team to continue focusing on building the highest quality products possible for our customers while preparations continue for the launch of the next generation of our full-size SUVs.”

The American manufacturing giant has previously announced separate investments at its truck and SUV factories in Indiana, Michigan, and Texas as part of a $4.2 billion push to prepare for the launch of its next-generation models and in order to increase capacity as well as improve build quality.

More than $1.4 billion has been invested in the Arlington Assembly plant since 2015 to build a new paint shop and for a number of body shop and general assembly area upgrades.