Does diesel have lead in it? Diesel fuel does not contain lead additives, which is why the term "lead-free diesel" does not exist. Gasoline (gasoline) has been added to tetraethyl lead to reduce knocking and increase the octane rating; such measures were not necessary in diesel engines.
How is diesel fuel injection systems work?
Diesel engines use a fuel injector to fuel the cylinders. The injection process is different from gasoline engines that use a carburetor or jet injection system. While the carburetor mixes air and fuel before the former reaches the cylinder, the injectors mix the fuel before the intake stroke. Diesel engines use a direct injection system that delivers fuel directly to the cylinders of the engine.
What is diesel used for?
Diesel fuel is used in various vehicles and businesses. Drive the diesel trucks you see on the highway, of course, but it also helps to move boats, school buses, city buses, trains, cranes, farm machinery and various auxiliary vehicles and generators.
What is industrial diesel engine?
Industrial diesel engines. The industry relies on the diesel engine. JASPER rebuilds diesel engines for applications such as construction, agriculture, aircraft ground handling and even stationary power. You can rely on JASPER remanufactured industrial diesel engines to power your excavators, tugs, tugs, transmissions and more.
What's the difference between Diesel and unleaded fuel?
This is very different from a diesel engine, which just sucks in air and then compresses the air, injects fuel, which ignites the fuel. Unleaded fuel is the most common, cheaper than diesel, and you can see prices fluctuating daily.
Are there still traces of lead in unleaded gasoline?
Despite the popular belief that the federal government banned the use of lead in motor gasoline two decades ago, little-known federal regulations allow unleaded gasoline to contain trace amounts of the toxic metal.
What happens when you put water in diesel fuel?
Water in the fuel can damage the fuel pump. Some diesel filters also retain water. Water contamination in diesel fuel can cause the fuel tank to freeze. Ice water that saturates the fuel sometimes clogs the fuel pump.
How much lead can you put in a gallon of gasoline?
Regulations do not intentionally add lead to gasoline, but unleaded motor gasoline can contain up to 0.05 grams of lead per gallon.
How is diesel fuel bad for the environment?
Diesel engines produce clean diesel fuel (made from crude oil) when burned to generate many harmful emissions, and diesel cars are the main sources of harmful pollutants, such as ground-level ozone and particulate matter.
How is diesel fuel used in the United States?
On this page: Diesel fuel in a traffic jam. For example, diesel fuel is used to power road vehicles and off-road engines and equipment: Diesel engines and vehicles make up about a third of the total diesel vehicle fleet.
What does the smell of diesel fuel smell like?
(A cross between kerosene and gasoline, but maybe you've never heard of this.) He's drifting away from the technology that makes his everyday life possible. The smell of diesel fuel is described as "aromatic". Smells like kerosene, but louder and louder.
Are there any cases of carbon monoxide poisoning from diesel exhaust?
Diesel fumes removal: a case of deadly carbon monoxide poisoning directly from diesel fumes, a 10-year retrospective experience and a literature search*.
How does a diesel engine differ from a petrol engine?
The term "unleaded" means regular gasoline, diesel gets its name from the fact that it is a completely different fuel. Gasoline engines run on unleaded fuel by combining gas and air to compress the engine and ignite it with a spark.
Which is the most common source of diesel fuel?
Diesel fuel is produced from a variety of sources, the most common of which is oil. Other sources include biomass, animal fats, biogas, natural gas and coal liquefaction. Petroleum diesel fuel Modern diesel fuel distributor. Petroleum diesel, also called petroleum diesel or fossil diesel, is the most common type of diesel fuel.
What is the chemical composition of diesel fuel?
Chemical composition. Petroleum-based diesel fuel is composed of approximately 75% saturated hydrocarbons (primarily paraffins, including n-, iso-, and cycloparaffins) and 25% aromatic hydrocarbons (including naphthalenes and alkylbenzenes). The average chemical formula of conventional diesel fuel is C 12 H 24 and ranges from C 10 H 20 to C 15 H 28.
Is there a problem with diesel fuel contamination?
And when it comes to these "fuel problems," it's clear that diesel pollution is a serious problem that deserves both blame and attention. Solves problems with diesel pollution and prevents many headaches. But diesel pollution is a major problem.
What happens if you use red diesel fuel?
Some groups do this by removing the red paint from the fuel and selling it to unsuspecting motorists. The penalty for this offense depends on the state in which you were caught using red diesel. However, you can usually assume that you will receive a hefty fine.
What's the difference between leaded and unleaded gas?
The main difference between leaded and unleaded fuels is the addition of lead, tetraethyl. Lead gas was widely used many years ago, but lead was found to have unwanted side effects when released into the air. Lead gas has been shown to be harmful to the environment and humans, producing unleaded gas.
What are the dangers of a diesel fuel spill?
If a petroleum product is spilled as a result of an accident, there are several risks. Diesel fuel and other petroleum products are slippery and can cause traffic problems on the roads around the leak.
What was the cause of death from diesel fumes?
When toxicological results showed that COHbg was deadly in the blood, the cause of death was reconfirmed as CO poisoning from inhalation of vehicle exhaust fumes (diesel).
How does a petrol engine run off unleaded fuel?
Gasoline engines run on unleaded fuel by combining gas and air to compress the engine and ignite it with a spark. This is very different from a diesel engine, which just sucks in air and then compresses the air, injects fuel, which ignites the fuel.
Is it safe to use diesel in a garden sprayer?
DO NOT attempt to do this with flammable liquids! Diesel fuel burns quite easily once lit, it just takes a lot more to make it work. That is why spraying weeds with a garden sprayer should not pose a great risk.
How is diesel fuel sprayed into the combustion chamber?
During fuel injection, diesel fuel is injected into the combustion chamber. During the duty cycle, the piston moves downward, drawing the fuel flow from the injector to the combustion chamber.
What does fuel injection system mean?
Fuel injection is a system that supplies a vehicle with fuel directly to the cylinders or intake manifold of the engine, eliminating the need for a carburetor. This intake manifold is located in front of the cylinders in most fuel injected engines.
How does diesel fuel ignite in the engine?
In diesel engines, the fuel is not ignited by a spark, as in Otto engines, but by the heat of the compressed air in the cylinder, causing the fuel to be injected into hot compressed air.
What are the components of diesel engine fuel system?
5 Diesel Fuel System Components 1. Fuel Tank. The fuel tank should contain enough fuel to run the engine for a reasonable amount of time. 2. Fuel lines. There are three different types of fuel lines on diesel vehicles. They can withstand heavy fuel lines.
How does a diesel fuel injection pump work?
An injection pump is a device that pumps diesel fuel (as fuel) into the cylinders of a diesel engine. Typically, the injection pump is driven indirectly by the crankshaft via sprockets, chains, or a timing belt (often a timing belt) that also drives the camshaft. It runs at half the speed of a conventional four-stroke diesel engine.
How is diesel fuel injection systems work diagram
The role of the diesel fuel system is to inject a precise amount of atomized fuel under pressure into each cylinder of the engine at the right time. Combustion in a diesel engine occurs when these fuel emissions mix with hot compressed air. (It does not use an electric spark like a gasoline engine). The fuel system consists of the following components.
How does direct injection in a diesel engine work?
However, many diesel engines use direct injection, in which diesel fuel is injected directly into a cylinder filled with compressed air. Others use indirect injection, in which diesel is injected into a specially shaped pre-chamber connected to the cylinder head through a narrow hole.
How does an electronic fuel injection system work?
Electronic injection systems. The electronic system is completely controlled by a microprocessor controller. It measures factors such as engine temperature, throttle position and engine speed to calculate the fuel-air mixture the engine needs and its timing at the injectors.
Which is the heart of a diesel engine?
The fuel system of a diesel engine can be called the heart of the engine, as the performance of the engine is directly dependent on the correct operation of this system, which has to supply, measure, inject and atomize the fuel. Fuel injection systems are manufactured with high precision and are therefore more expensive.
How is diesel fuel injection systems work in cars
A diesel injection system differs from a gasoline engine in that diesel fuel is injected directly into the cylinder. In a gasoline engine, carburetor or port injection is used to inject fuel before the intake stroke (outside the cylinder), where the fuel mixes with air before entering the cylinder.
What is fuel injector and how it works?
How Fuel Injection Systems Work Carburetor Residue. For most of an internal combustion engine's existence, a carburetor was a device that supplied fuel to the engine. When you step on the accelerator. Injector. Engine sensors. Engine controls and power chips. Much more information.
How is a sequential fuel injection works?
Basically, an SFI (Sequential Fuel Injection) system has a fuel injector for each cylinder. Each of these injectors injects fuel into the system at 3040 psi in front of the intake valve. During the intake stroke of the piston, this air/fuel mixture is drawn into the cylinder past the intake valve, then compressed and ignited.
How does EFI work?
EFI works by measuring airflow. The accelerator pedal is connected directly to the gas valve on older vehicles and indirectly (via an electrical connection) on newer vehicles.
How does a diesel fuel injector work?
The diesel fuel is then pumped into the chamber with compressed air through a fuel injector. The injector itself breaks the fuel into small droplets and ensures an even distribution throughout the chamber. The heat vaporizes the droplets, causing a fire, and the pressure pushes the piston out, feeding the crankshaft.
Is fuel system cleaning worth it?
Cleaning of injectors. In reality, fuel system maintenance is a real service and yes, it is worth it. This will bring real benefits to you and your vehicle. And Cottman is happy to show you what matters and how you can improve and improve the performance of your vehicle. Fuel system maintenance is actually not entirely new.
What is "fuel injector service"?
Injector service refers to many things that can be misleading: injector check, injector check, injector check, injector check, injector check, remanufactured fuel or injectors. These conditions do not better represent the process.
What is the injection pressure in a diesel engine?
Fuel injection systems for diesel engines are generally designed to deliver an injection pressure of 7 to 70 megapascals (1,000 to 10,000 psi). However, there are higher pressure systems. Precise control of fuel injection is essential to the operation of a diesel engine.
How is diesel fuel injection systems work in homes
Simple fuel systems use gravity or air pressure to move fuel from the tank to the injection pump. The fuel lift pump is often used in modern high-speed diesel engines. This motor-driven pump automatically supplies fuel to the diesel injection system. The pump often has a manual prime lever to allow air to escape from the system.
How does direct injection work in a diesel engine?
The diesel injection system injects diesel fuel directly into the cylinder. A gasoline engine uses port injection or carburetor injection to inject fuel before the intake stroke (outside the cylinder), mixing the fuel with air before entering the cylinder. What is a direct injection diesel engine?
What is the function of the fuel injection system?
The diesel injection system includes: a high pressure fuel pump delivers high pressure fuel The high pressure hose directs the fuel to the injection nozzle The injector injects fuel into the cylinder lift pump - draws fuel from the fuel tank.
Where does the fuel go in a diesel engine?
Direct injection is a process in which fuel is injected directly from the diesel line into the combustion chamber (the combustion chamber is located above the piston). The main feature of this system is that the injector leads directly to the combustion chamber. Once the fuel is injected, it goes directly into the combustion chamber.
Where is the injection pump located in a diesel engine?
The Pumpline Nozzle (PLN) architecture uses a central injection pump driven by the engine gearbox, Fig. 4. The high pressure fuel pump operates individual injectors located in the cylinder head above each cylinder.
How do you test fuel injection pump?
Locate the reference point on the fuel pump, which is usually near the fuel injectors, and locate the point where the pump connects to the filter injector rod. There should be a gap seal or test connection where the pressure gauge is attached.
How do you test diesel fuel injectors?
To check the fuel injectors, first open the hood of the vehicle with the engine running. Insert a thin metal bar or screwdriver into one of the injectors and bring your ear close to hear a click, indicating the injector is working.
Why do diesel fuel injectors fail?
Diesel injectors fail for two main reasons.
When did fuel injection start in diesel engines?
The first fuel injection systems were used in aircraft engines in the early 1900s. Diesel engines have been using direct injection since the 1920s (well, I'll talk about diesels and direct injection later). After World War II, hot roders started replacing carburetors with injectors to give their cars more power.
How is fuel loaded into a car engine?
Most car engines use carburetor or port injection. The port injection system injects fuel just before the intake stroke (outside the cylinder). The carburetor mixes air and fuel long before air enters the cylinder. Therefore, in a car engine, all the fuel is loaded into a cylinder during an intake stroke and then compressed.
What are the disadvantages of using diesel?
- Diesel vehicles typically cost more than a standard vehicle.
- The cost of diesel fuel is high in most geographic regions.
- Maintenance and repair of diesel engines is more expensive.
- With diesel, you may have less access to the fuel you need.
- The new diesel does not have such lubricating properties.
Which Diesel is the best?
Best diesel cars for the 2021 Jeep Wrangler Why you should buy it: You want the most efficient SUV. Land Rover Range Rover Sport TD6. Why you should buy it: 443 lb-ft. Chevrolet Colorado diesel. Why you should buy it: The Chevrolet Colorado Diesel is all you need. Land Rover Range Rover TD6.
What are the industrial uses for diesel?
- Mining. Diesel generators are widely used in mining all over the world.
- Healthcare. In many ways, this is one of the most sensitive industries.
- Petroleum gas.
- Data centers and telecommunications.
What happens if diesel is used in a gasoline engine?
When the diesel fuel in the gas tank runs out, the car will drive for a few miles until all the gasoline left in the fuel line is used up. At this point the motor will stop the ■■■■. Gasoline engines cannot burn diesel fuel, so the car stops running.
What is diesel used for in rust
Diesel is a secure and extensible ORM and Query Builder for Rust Diesel is the most productive way to interact with databases in Rust because of its secure and configurable query abstraction. Getting started See on GitHub Why did they use diesel?
Where do I find Rust types in diesel?
Diesel shows "rust types" (i32) and "SQL types" maps (diesel :: sql_types :: Integer). All types supported by Diesel can be found in the sql_types module. These types are only used to represent an SQL type. You may never include them in your requested structures.
Which is the best query builder for rust?
Diesel has a high-level query builder and allows you to think about your problems in Rust instead of SQL. The focus on free abstractions allows Diesel to perform your search and load your data even faster than C. Unlike Active Record and other ORMs, Diesel is designed for abstraction.
Which is the most productive way to interact with databases in rust?
Diesel is the most powerful way to interact with databases in Rust because of its secure and configurable query abstraction. Why did they make diesel? You don't want to waste time looking for runtime errors.
Who are the manufacturers of industrial diesel engines?
Major companies such as Caterpillar, Cummins and Detroit Diesel make industrial diesel engines that are then adapted to the heavy-duty marine market. The ship design is based on millions of other truck and SUV engines on the market.
What are the uses of Cummins diesel engines?
Industrial diesel engines. Cummins produces high quality diesel engines for industrial applications such as agriculture, construction, railway, mining, oil and gas.
What can an industrial engine be used for?
In the world of motors, the "industrial" motor is something universal. They generally view an industrial motor as a self-contained "power unit" that can be used in a variety of applications. Typical applications can be mechanical transmission systems such as conveyor belts or rock crushing systems.
What's the difference between a marine and industrial diesel engine?
While each engine is slightly different, the basic design is the same. The exhaust, cooling, electrical and fuel systems of marine engines are different. This article takes a look at the differences between industrial diesel engines and their marine counterparts. Diesel engines are popular in the marine industry for a number of reasons.
What is industrial diesel engine jump starter
The Weego Jump Starter 44 is the best portable starter we've tested, but it costs more than its other models. It is comparable in performance and strength to the PowerAll Deluxe, as well as the larger versions of the fantastic claws Weego uses on the 22.
Can you bump start a diesel engine car?
While diesel vehicles can have two batteries or one large battery, it is possible to use diesel with the battery of a conventional gasoline vehicle. If your diesel won't start due to a ■■■■ battery, follow these steps to bypass it safely.
Can you jump start a diesel?
Follow these steps to start a ■■■■ diesel battery: Make sure both vehicles are parked or in neutral with the parking brakes applied. Turn on the heater of the damaged diesel vehicle to protect the electrical system from power surges. Make sure the headlights of the disconnected diesel vehicle and other electrical accessories are off.
Can I use kerosine to run my Deisel engine?
Kerosene is great for emergencies when diesel is not available, but it is always best to use as much diesel as possible. If you store kerosene and diesel fuel on your truck for use, make sure you store it in the appropriately colored containers.
What are the main parts of a diesel engine?
1 cylinder block assembly 2 cylinder head assembly 3 pistons and connecting rods 4 crankshaft 5 oil pan 6 timing chain assembly 7 flywheel 8 fuel system assembly.
Why are diesel engines used in industrial applications?
In industry, generators can provide emergency power to all critical and selected loads during critical processes. This quality leads to widespread use of diesel generator sets in recreational, residential, commercial, communications and industrial applications.
What are the industrial uses of Cummins engines?
Industrial Diesel Engines Cummins produces high performance diesel engines for industrial applications such as agriculture, construction, railway, mining, oil and gas.
Where do you use cat industrial diesel engines?
Laboratory, cold storage and field use in the Arctic Circle, the Arizona desert and the Colorado mountains ensure that Cat industrial diesel engines work anytime, anywhere. WHY CHOOSE CAT INDUSTRIAL DIESEL ENGINES?
What does a diesel fuel injector do?
Diesel injectors are possibly the most important part of the fuel system. The job of the injectors is to deliver a precise amount of atomized fuel under pressure to each cylinder.
What is diesel injection?
Diesel engines use direct injection, diesel fuel is injected directly into the cylinder. The diesel injector is the most complex part, and many experiments have been carried out on a particular engine, it can be located in different places.
What is industrial diesel engine muffler
The second method, which absorbs sound, absorbs sound by converting sound energy into a small amount of heat. There are three main types of industrial mufflers that use these techniques to attenuate jet mufflers, absorption mufflers, and both in conjunction with a resonator.
Why do you need aftermarket diesel mufflers?
Aftermarket diesel mufflers can reduce noise levels compared to conventional mufflers. You can remove loaded or towed drones, and many are direct replacements.
What kind of industries are affected by diesel exhaust?
Warning of danger for diesel particles/exhaust gases. (2013). Diesel engines power many types of equipment used in a variety of industries, including transportation, mining, construction, agriculture, and many manufacturing activities.
Can a muffler be made for a stationary engine?
However, a muffler requires special design and construction to accommodate different engine noise parameters. In your country, conventional design does not require much analysis of noise parameters or other engine characteristics. A stationary muffler has been developed and produced for a petrol engine.
What is industrial diesel engine diagnostic software
The Universal Diesel Truck Diagnostic Scanner Kit is the perfect diesel fuel diagnostic toolkit to meet most of your diesel fuel diagnostic needs. Hook up to almost any truck, read all codes and get repair information to help you fix the problem.
What do you need to know about Detroit engine diagnostic software?
JPRO is more than just Detroit engine diagnosis software, it's powerful software that helps you understand the health of your entire vehicle. You can troubleshoot, run bi-directional tests, and collect sensor data for electronic components, including 2000 and later Detroit Diesel engines and transmissions.
What does Detroit Diesel fault Guidance Software do?
JPRO's Troubleshooting Guide provides technicians with a powerful tool to find code definitions and information, as well as Detroit Diesel troubleshooting tips and wiring diagrams to make repairs faster and easier.
Is there a laptop program for a diesel truck?
This program is intended for both trucks and ATVs. While the main application is the PFD program, this kit includes additional software for ABS, transmission and engine. Diesel notebooks also offer a wide range of optional OEM software. Although they are NOT included in this kit, they can be purchased.
What is diesel #2
diesel n. 1 to No. 2. The cetane number, which, like the octane number of gasoline, indicates its flammability, is the main difference between diesel n. 1 and diesel No. 2. In fact, it is the difference in energy efficiency. instability and seasonality. diesel no. 1 has a shorter ignition delay. Faster and more efficient starting means less wear on the motorcycle batteries.
What is no. 1 diesel fuel?
Definition No. 1 diesel fuel is considered a light fuel of medium quality, intended to be used at extremely low temperatures, as well as at significant fluctuations in speeds and loads. diesel no. 1 has a low volatility or vaporization temperature. The American Society for Testing and Materials (ASTM) sets quality and emissions standards for diesel fuels.
What is winter grade diesel?
Winter diesel (also known as winter diesel, alpine diesel or winter diesel (AE)) refers to diesel fuel that has been improved to prevent freezing in cold weather. It is generally obtained by processing with additives that alter the properties of the fuel at low temperature.
What is the density of diesel fuel per gallon?
However, due to its higher density, diesel offers a higher volumetric energy density: the density of EN 590 diesel is defined in kg/L (lb/US gal) at 15°C (59°F), ie approximately more than EN 228 petrol (gasoline ) with kg/l (.
What are the strokes in a two stroke diesel engine?
In diesel engines, fuel is injected into the engine cylinder by a fuel pump. With a two-stroke engine, there is 1 stroke of the engine for every revolution of the flywheel. A two-stroke engine has two strokes.
What oil do you use for a 2 stroke engine?
Two-stroke outboards require an oil that meets the TCW standard, which defines a marine oil designed for two-stroke engines. Also refer to your owner's manual for specific oil requirements for two-stroke engines.
Are 2 stroke motors still made?
Major brand engines such as Evinrude, Mercury Marine and Tohatsu are currently produced as two-stroke models for the US market. What they have in common is that the carburettor has been replaced by various direct injections.
Is a 2 cycle engine the same as a 2 stroke engine?
For each cycle performed by the crankshaft, the piston makes two turns. A two-stroke engine is similar to a one-stroke engine and a four-stroke engine is similar to a two-stroke engine. Therefore, the engine can be a two or four stroke, OR the engine can be a one or two stroke.
What is number 5 fuel?
Fuel oil #5 is also known as Special Marine Oil (NSFO) or simply the #5 low pressure vapor recovery system before the oil is pumped from the fuel tank.
What is number one fuel oil?
Fuel oil number 1 is a volatile fuel oil used to vaporize pot burners. It is a kerosene refinery that boils directly after the heavy gasoline used for gasoline. Previous names: charcoal oil, frying oil and frying oil.
Can MSDS still be used?
Yes sir. According to WHMIS, the safety data sheet of a controlled product should not be older than three years. If you are still using a product purchased more than three years ago, you may not have an updated MSDS.
What does MSDS(s) mean?
A Safety Data Sheet (SDS) is a document that contains information about the potential health effects of exposure to chemicals or other potentially hazardous substances, and about how to work safely when handling chemicals.
What is an ethanol MSDS?
ethanol. The Ethanol Safety Data Sheet is a basic information sheet for the chemical ethanol. MSDS stands for Material Safety Data Sheet. These sheets should be supplied with chemicals and stored in rooms that use chemicals, usually in lab records for review by staff.
Does diesel fuel need stabilizer?
Most diesel fuels require additional lubrication to maintain fuel pump lubrication in diesel engines and prevent wear. StaBil Diesel Fuel Stabilizer adds the lubrication needed to keep the high pressure fuel pump in good working order.
Is the Duramax Diesel going away?
Just as mid-sized truck enthusiasts have truly become one with the GM Duramax LWN I4 engine, it seems that a high-torque turbo diesel could go along with the optional V6 petrol engine for General Motors Chevy Colorado and GMC Canyon trucks.
What are the specs of a Duramax
LWN Duramax Specifications Year of Manufacture: 2016+ Weight 520 lbs Engine Oil Capacity (with filter change) 6 quarts or liters Emissions Systems Diesel Oxidation Catalyst (DOC) Diesel P. B20 Compatible with Biodiesel and Ultra Low Sulfur Fuel.
What kind of fuel economy does a GM Duramax get?
Fuel economy is also very impressive, with up to 22 mpg in the city and 30 on the highway for 2WD models. This Duramax inline 4-cylinder diesel engine is also one of GM's quietest and cleanest diesel engines. It wasn't easy to build a clean and powerful 4-cylinder diesel engine that could tow up to 7,700 pounds.
How much horsepower does a mini Duramax Diesel have?
This, in combination with the two overhead camshafts, ensures that the turbo diesel generates 181 horsepower. with 369 pound-feet of torque and gives the Colorado the ability to tow 7,600 pounds with the right equipment. Another top prize is best-in-class fuel economy with an EPA rating of 20 mpg in the city and 28 mpg on the highway.
Is the Detroit 2-71 engine a good generator?
Going back to the 271s, they are excellent engines and generators if you use them for their intended purpose, work hard and perform well. Run them for hours at 1800 RPM and 10% load and you won't have a happy engine. All that sticky DD-goo turns into a really filthy wet battery case if you never get the motor hot enough to cook.
How many gallons per hour does a Detroit Diesel generator use?
(Gallons per hour) and consumes approximately empty GPH. Effective, practical and durable. Enter the world of Pure Power with the incredible, durable and highly reliable Deuce Detroit Diesel 271 USA cast iron generator from Emerson & Matkin.
What was the RPM of a Detroit 2-71 refrigerator?
Click to enlarge Out of service 271 Generators, which power almost all refrigerated trucks on the track. They ran at 1200 rpm and used special nozzles so light loads wouldn't cause any problems.
When was the Detroit 2-71 military welding trailer built?
I know where about 271 motorized military welding trailers are, they were built in 1962 and 1966. Unfortunately they are in bad shape and the seller is asking $1,200 each.