Komatsu 930E (01:02)
A 320 ton capacity mining truck extracts metals from Nevada's Hycroft Mine.
Mining Truck Raw Materials (01:17)
Chromium, mineral oil, latex rubber, sulfuric acid, and coal are key components of the Komatsu 930E model.
Charcoal Production (01:09)
Learn how the demand for burned wood products depleted 18th century British forests.
Iron Molecular Structure (01:28)
Iron worker Abraham Darby discovered coal as an alternative to charcoal. Learn how carbon strengthens iron products.
Cheap Iron (01:13)
Raw coal has sulfur molecules that make iron products too brittle. Learn how Darby experimented with baking coal to remove impurities.
Steel Production (01:30)
In 1856, Henry Bessemer perfected a strong, flexible iron alloy. Learn the modern steel manufacturing process.
Steel Frame Assembly (02:36)
Learn the submerged arc welding process. The 30 ton Komatsu 930E body is rotated to provide welders with flat surfaces.
Welding Quality Control (01:48)
Learn how ultrasonic technology is used to detect welding weaknesses on the Komatsu 930E frame.
Mining Truck Frame Finishing (01:39)
Learn how the blasting process works to remove imperfections before painting.
Rubber Molecular Structure (02:04)
Charles Goodyear hoped to capitalize on latex, a raw material discovered in trees. Learn how long atom chains create flexibility.
Vulcanization Process (01:23)
Rubber deteriorates in heat. Learn how Goodyear accidentally discovered how to strengthen it with sulfur.
Komatsu 930E Tires (03:47)
Learn mixing, layering, and molding processes. Michelin's rubber compounds are proprietary, but carbon black improves latex durability.
Chromium Discoveries (02:55)
Mining truck tires require strong suspension pistons. Learn how electroplating works and how chromium oxide protects steel from corroding.
Suspension Piston Production (03:11)
Learn grinding and electroplating processes. Chromium is essential for protection against wear.
Suspension Piston Assembly (03:09)
Learn the Komatsu 930E strut assembly and testing processes.
Kerosene Discovery (02:02)
Mining truck brakes require a cooling agent. Learn how 19th century whale depletion led to the development of a petroleum alternative to blubber oil.
Mineral Oil Discovery (02:03)
During the 19th century oil boom, J.D. Rockefeller's Standard Oil Company researched ways to use kerosene byproducts—developing an industrial lubricant.
Mineral Oil Production (01:13)
Learn the process of fractional distillation, and why viscosity is important for the Komatsu 930E's brake system.
Wet Brake Assembly (03:39)
Learn the assembly and testing processes for the Komatsu 930E's brake system.
Electrolyte Discoveries (02:14)
Mining truck engines require powerful batteries. Early scientists found that salt ions conduct electricity. Gaston Planté used sulfuric acid for his lead acid battery.
Komatsu 930E Engine (01:49)
Sulfuric acid is a petroleum byproduct used in batteries. Learn why a hybrid diesel electric motor is appropriate for a Mack truck.
Engine Testing (03:43)
Learn how the Komatsu 930E battery and motor are pre-assembled in the factory for testing.
Komatsu 930E Distribution (02:00)
Fully assembled mining trucks are too big to travel. Learn how components are shipped and assembled on site—a two week project.
Komatsu 930E Raw Material Summary (01:47)
Learn how sulfuric acid batteries, latex rubber tires, chromium plated suspension, mineral oil brake fluid, and a coal strengthened frame contribute to the final product.
Credits: Mack Truck: Raw to Ready (01:04)
Credits: Mack Truck: Raw to Ready
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