To carry the borax out of the valley, they needed to carefully design the wagons, as it was heavy load. The “Twenty Mule Team Wagon” was built for transport to the railroad at Mojave, which is 165 km away from the Harmony Borax Works. The total load of these wagons could be up to 30 tons !
Actually, it was 18 mules and 2 horses
The twenty mule team borax wagon's significance resides not only in their technology but also in their enduring image as an advertising and cultural symbol. Technologically, these wagons, designed to carry borax across the desert from the borax source to the Mojave station on the Southern Pacific Railroad, reveal adaptations to the harsh environment of Death Valley. They had large wagon wheels to traverse the rough terrain. The rear water wagons were another adaptation, essential since there was no water available for long stretches of the journey to the Mojave station. Culturally, the wagons represent the American west and the pioneering miners who became icons of both masculinity and the quest for material wealth. The dissemination of the image of the twenty mule team borax wagons as an advertising icon long after they had ceased to be used reveals the power of advertising symbols and the reliance on images to market brands.
[url]http://www.americanwest.com/deathvalley/[/url]