Katerina Swanson
The amount of fuel a train tanker can hold depends on the type of train. A typical switching locomotive like the EMD MP 1500 can hold 1,100 to 1,400 gallons of fuel, while an SD40-2 locomotive can hold 3,200 to 4,000 gallons. Tank cars, on the other hand, can hold much larger amounts of fuel, ranging from 6,500 to over 31,000 gallons. These cars are used to transport various liquids, including hazardous materials such as ethanol fuel, and have been designed with safety features to prevent accidents and spills.
| Characteristics | Values |
|---|---|
| Capacity of a tank car | 6,500–31,000+ gallons |
| Capacity of an SD40-2 locomotive | 3,200–4,000 gallons |
| Capacity of an EMD MP 1500 locomotive | 1,100–1,400 gallons |
| Capacity of a DOT-111 tank car | 1,600,000 US gallons |
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What You'll Learn
Tank cars can hold 6,500-31,000 gallons of liquid
The amount of fuel a train tanker can hold depends on the type of locomotive and the type of tank car. An SD40–2 locomotive, a 3,000 HP standard line-haul workhorse used in the past by most North American railroads, holds 3,200 to 4,000 gallons of fuel. A typical switching locomotive, the EMD MP 1500, a 1,500 HP standard switching locomotive, will hold 1,100 to 1,400 gallons of fuel.
Tank cars, on the other hand, can hold much larger volumes of liquid, ranging from 6,500 to 31,000 gallons. They are designed to transport various liquid commodities, including hazardous materials such as chemicals, ethanol, and diesel fuel. The first railroad tank car was invented in 1865 during the Pennsylvania oil rush and consisted of two wooden tanks placed on a flat rail car, each holding 40-45 barrels of oil. Today, modern tank cars are constructed of fine-grain heat-treated steel and feature various safety enhancements, such as thicker shells and protective valve housings.
The capacity of a tank car is significantly greater than that of a truck, with up to five times the volume. This makes rail transport a cost-effective and fuel-efficient option for shipping large quantities of liquid or hazardous materials. In terms of safety, rail is also a preferred choice for transporting hazardous substances due to the robust tank car designs, technologies for monitoring track and rail car health, and specialised training for first responders.
It is important to note that the actual volume of fuel a train tanker can hold may vary depending on factors such as the specific model of the locomotive or tank car, the type of fuel being transported, and regional or regulatory standards.
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An SD40-2 locomotive holds 3,200-4,000 gallons of fuel
The EMD SD40-2 is a 3,000-horsepower diesel-electric locomotive built by EMD from 1972 to 1989. It was introduced in January 1972 as part of EMD's Dash 2 series, competing against the GE U30C. Although higher-horsepower locomotives were available in the market, the reliability and versatility of the 3,000-horsepower SD40-2 made it one of the best-selling models in EMD's history. The SD40-2 was an improvement over the SD40, with modular electronic control systems similar to those of the experimental DDA40X.
The SD40-2 locomotive holds 3,200-4,000 gallons of fuel. This is a significant increase in fuel capacity compared to the standard 3,200 gallons found on a typical SD40. The extra length of the SD40-2, at 70 feet 8 inches, allows for a larger fuel tank.
The SD40 and SD40-2 locomotives were built for over 30 years, with more than 4,000 units sold, making them the single best-selling locomotive of all time. They are still commonly used in shortline and switching services today. The SD40-2 became the industry standard throughout the 1970s and 1980s due to its blend of power and reliability.
The SD40-2 has a unique power system with eight notches or power settings. The engine's fuel efficiency varies depending on the power setting, with notch 4 being more efficient than notches 2 or 3, and notch 8 being more efficient than notches 6 or 7. This variable power system allows for smoother train handling and improved fuel efficiency.
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A typical switching locomotive holds 1,100-1,400 gallons
The capacity of a train tanker varies depending on the type of locomotive and its function. A typical switching locomotive, the EMD MP 1500, with 1,500 HP, will hold 1,100 to 1,400 gallons of fuel. This is a standard switching locomotive, and its fuel capacity is significantly less than that of other types of locomotives.
The capacity of a train tanker can range from 6,500 gallons to over 31,000 gallons. The design of the tanker is crucial in determining its capacity, with cylindrical shapes being more common for larger volumes. The first railroad tank car, invented in 1865, consisted of two wooden tanks placed on a flat rail car, each holding 40-45 barrels of oil.
Modern tank cars are constructed of fine-grain, heat-treated steel and are designed to hold liquids or compressed commodities. These can include chemicals, molasses, edible tallow, water, diesel fuel, and ethanol. The variety of liquids transported by train has increased, and so has the demand for fuel.
Rail is one of the safest modes of transport for hazardous substances due to robust tank car designs and improved safety measures. This mode of transport is also more fuel-efficient than trucks, being able to move one ton of freight 480 miles on a single gallon of diesel fuel.
In summary, a typical switching locomotive has a fuel capacity of 1,100 to 1,400 gallons, while other locomotive types can hold significantly more fuel, with some tank cars exceeding 31,000 gallons in capacity. The variation in fuel capacity depends on the locomotive's function and design, with safety and efficiency being crucial factors in the railway industry.
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DOT-111 tank cars transport dangerous liquids
The DOT-111 tank car is a general-purpose tank car that is commonly used to transport various types of liquid dangerous goods. These include 40,000 cars dedicated to carrying 219,000 carloads of ethanol fuel annually in the US. The use of DOT-111 cars to transport crude oil to refineries along the coasts has also increased due to the hydraulic fracturing of new wells in the shale oil fields in North America.
The DOT-111 tank cars are constructed with a draft sill design, which incorporates the draft gear behind each coupler. This design allows for the transfer of longitudinal draft (tension) and buff (compression) forces throughout the train. The draft sills are attached to steel pads affixed to the tank. If the car does not have a continuous center sill, the two draft sills at each end are referred to as stub sills, and the tank carries draft forces between the couplers. Reinforcing bars may be extended underneath the tank between the draft sills for additional support.
DOT-111 tank cars are equipped with AAR Type E top and bottom shelf Janney couplers, which are designed to maintain vertical alignment and prevent puncturing of the tank end frames in the event of an accident. Despite these safety features, there have been concerns raised about the survivability of DOT-111 tank cars in accidents. The Transportation Safety Board of Canada (TSBC) has noted that Class 111A tank cars have a higher risk of releasing their contents during derailment compared to pressure tank cars. There have been several incidents involving DOT-111 tank cars, including the Lac-Mégantic derailment in 2013, where 63 out of 72 cars derailed and released about six million litres of crude oil, resulting in a fire.
To enhance safety, the US Department of Transportation has encouraged owners and shippers of flammable liquids to upgrade to the DOT-117 specification tank car, which is the newest and safest design for flammable liquid service. The use of double-shelf coupler/coupler vertical restraint systems is also mandated by DOT regulations for all DOT specification tank cars transporting hazardous materials. These couplers prevent vertical disengagement during excessive speed end-to-end impacts or derailments, reducing the risk of tank punctures and hazardous material releases.
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The first railroad tank car held 40-45 barrels of oil
The railroad has come a long way since the invention of the first railroad tank car in 1865 during the Pennsylvania oil rush. The first railroad tank car was made of two wooden tanks placed on a flat railcar, each holding 40-45 barrels of oil for transportation from oil fields to refineries. As the demand for oil transportation increased, the design evolved into a singular cylindrical, riveted iron tank built for rail transport. This new design offered greater reliability and efficiency, and it laid the foundation for the modern railroad tank car.
Today, railroad tank cars are constructed with fine-grain heat-treated steel and feature various safety enhancements. They are designed to carry both compressed and liquid commodities, including hazardous materials such as chemicals, ethanol, and diesel fuel. The capacity of modern tank cars has significantly increased, ranging from 6,500 gallons to over 31,000 gallons. This large capacity makes rail transport highly efficient for shipping large volumes over long distances.
The advantages of rail transport are evident when compared to trucks. A single train can carry the same amount of product as approximately 300 trucks, and it can move one ton of freight 480 miles on just one gallon of diesel fuel. This makes rail transport three to four times more fuel-efficient than trucks. Additionally, rail transport is generally considered safer for shipping hazardous materials due to the reduced risk to human life as railroads often pass through less populated areas.
The capacity and safety features of railroad tank cars have made them a crucial mode of transportation for various industries. They play a vital role in transporting large quantities of fuel, chemicals, and other commodities, contributing to the efficiency and safety of supply chains across the globe. The evolution of the railroad tank car from its early wooden design to the modern steel powerhouse showcases the continuous innovation and improvement in the railroad industry.
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Frequently asked questions
A train tanker typically holds between 6,500 and 31,000 gallons of liquid.
The amount of fuel a train tanker can hold depends on its type and design. For instance, an SD40-2 locomotive can hold 3,200 to 4,000 gallons of fuel, while a typical switching locomotive EMD MP 1500 holds 1,100 to 1,400 gallons.
Train tankers have up to five times the capacity of trucks. One train can carry as much product as approximately 300 trucks.
