Description Protect your truck investment, Liquid Storage Tanks offer a safe and convenient way to transport liquids to job sites, agricultural applications, and more. Each durable tank is hand welded for strength and reliability; available in heavy duty steel; capacity ranges from 30 to 100 gallons; and configurations of rectangular, vertical or L-shaped to meet most applications for your truck. Each tank has a lockable vent cap to help prevent accidental contamination.