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There are numerous types of 70 tons mining dump trucks, also called art trucks, depending on the configuration and the purpose they are used for. Here are some of them:
Electric Drive Trucks
These trucks are powered by electricity generated from their engines. They are known for their energy efficiency as they have fewer energy losses. Also, they have a higher torque and are more reliable.
Hybrid Drive Trucks
Hybrid trucks are another type of mining dump truck. They are powered by both electricity and diesel. The electricity generated by the truck's engine helps power the electrical components of the truck, reducing the amount of fuel the truck consumes.
Mechanical Drive Trucks
These trucks use mechanical systems like drive shafts and gears to transport power to the wheels from the engine. They have high-speed capabilities and are known for their simple design.
Center Articulated Trucks
These trucks are designed with a cab that is centered between the rear and front axle. They are highly maneuverable and have a tight turning radius, making them ideal for mining sites with narrow roads.
Rear Articulated Trucks
These trucks are designed with an articulated joint between the cab and the trailer at the back. The trucks are easily maneuverable and have a large dumping capacity.
Rim Savers
These are specialized trucks designed to protect the wheel rims, especially in tough mining environments. They have reinforced wheel rims that prevent damage when transporting heavy materials.
Water Trucks
Mining dump trucks can also be used as water trucks. They are used to transport water in mining sites, especially in areas with little vegetation. These trucks are designed with large water tanks that can hold thousands of liters.
The specifications of the 70-ton mining truck are as follows:
Engine
70-tonne dump trucks are very powerful. They are equipped with powerful engines that are able to generate about 600-800 horsepower. The engines of the trucks also have high torque. The high torque provides the trucks with the ability to climb steep grades.
Dump Body
The dump body of the truck is very large. It can carry loads that weigh about 70 tonnes. The dump body has a design that enables it to be loaded and unloaded easily.
Suspension System
The 70-ton mining dump truck has a robust suspension system. The function of the suspension system is to offer a smooth ride, even when the truck is loaded with heavy cargo. The suspension system provides stability and also helps to distribute the weight of the truck evenly.
Tires
The tires of the 70-ton mining dump trucks are very large and also durable. The large tires provide the trucks with traction. The traction is important when driving on uneven surfaces that are mostly found in mining sites. The tires are designed to withstand the heavy loads carried by the trucks.
Brakes
Due to the size and weight of the trucks, they are equipped with powerful brakes. The function of the brakes is to bring the trucks to a stop, even when they are loaded with heavy cargo. The braking system of the trucks is designed to offer a reliable and consistent brake force.
Frame
The mining dump trucks are built with robust frames. The function of the frame is to support the body of the truck and also to withstand the rough terrain found in mining sites.
Steering
The trucks have a steering system that makes it easy to operate them. The steering system is designed to be precise, even when the truck is driving on uneven surfaces.
Proper maintenance of the trucks is essential to keep them in good condition and also to prevent breakdowns. Here are some maintenance tips for the trucks:
When buying a 70-ton mining dump truck, consider the following factors:
Brand Reputation:
Consider the brand reputation of mining dump truck manufacturers. Well-known brands normally have a good reputation for building quality trucks with superior technology. The trucks from these companies are usually more durable and reliable.
After-Sales Service:
Check the availability of after-sale services such as maintenance, spare parts, and repair services. Choose a manufacturer that has a wide network of authorized dealers and service centers. This ensures that the dump truck can be maintained easily and any problems can be fixed fast.
Resale Value:
Research the resale value of the dump trucks from different manufacturers. Some brands maintain their value better than others. A truck with a higher resale value can save the owner more money in the long run.
Fuel Efficiency:
Consider the dump truck's engine and transmission system. A mining dump truck with a better powertrain combination normally has superior performance and is more fuel efficient.
Carrying Capacity:
When all dump trucks are loaded, not all trucks can transport the same weight. Some trucks have a higher carrying capacity than others. For example, a CAT 785D dump truck has a payload capacity of 100 tons, while the 785B model can carry a maximum load of 96 tons.
Comfort and Safety Features:
Check the comfort features available in the mining dump truck. For instance, some trucks have better air conditioning systems, spacious cabs, and ergonomic seats. Safety features such as ABS brakes, a rearview camera, and a rollover protection system should also be considered.
Tire Size:
Tire size is an important factor when selecting a mining truck. Large tires provide better ground clearance and can traverse rough terrain easily. However, large tires are more expensive and require more fuel to operate.
Financing Options:
Consider the financing options available. Some manufacturers provide attractive financing offers, such as low-interest rates or long payment periods. This can make the truck more affordable.
In most cases, the process of replacing and repairing mining trucks is quite complex. That is why many people are discouraged from doing it themselves. However, with the right skills and basic mechanical knowledge, it is possible to replace and repair the trucks. Here are some of the basic steps to follow while replacing and repairing the trucks:
Because of safety concerns, some mining companies restrict maintenance activities during working hours. As a result, maintenance activities are planned and carried out during off-peak hours.
Q1: Are 70-ton trucks fuel efficient?
A1: Mining trucks are not fuel efficient. However, they are becoming better as manufacturers make changes to meet environmental standards.
Q2: How fast can a 70-ton dump truck go?
A2: The speed of a 70-ton dump truck varies depending on the model. However, mining trucks are built to transport large materials over rough terrains. Their designs limit speed, and they can only travel at 30 mph max.
Q3: How much can a 70-ton dump truck carry?
A3: A 70-ton dump truck has a payload capacity of about 70,000 to 100,000 lbs. This value can vary depending on the model and design of the truck.