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Southwest International Trucks, Inc. makes customer satisfaction a top priority, which is why we offer convenient and accurate quotes for all of our diesel truck services. Whether you are shopping aftermarket truck parts to give your ride a tune-up or test-driving new and used diesel trucks because its time for a full upgrade, we can help you get your finances in order. Complete the form below to request a quote. We proudly serve Arlington, Dallas, Fort Worth, McKinney, Waco, TX and the surrounding areas.