Readers ask: What Motors Are In School Buses?

What motor is in a bus?

A typical intercity coach weighs about 12,000 kg (26,000 pounds), has a capacity of up to 47 passengers, a two-stroke-cycle V-8 diesel engine with up to 450 horsepower, an electronically controlled automatic transmission, and air brakes.

What Cummins motor is in school buses?

With the Cummins B6. 7, L9, or Cummins Westport B6. 7N and L9N, you can’t go wrong with your first pick when it comes to providing a highly reliable, clean emissions power source.

What kind of engine is in a Thomas school bus?

HIGH POINT, N.C. — Thomas Built Buses is now accepting orders for school buses equipped with Detroit DD5 and DD8 engines. The DD5 engine is a 5.1L in-line four-cylinder engine adapted specifically for the Thomas Built Buses Saf-T-Liner C2. It offers a 200 to 240 horsepower range and a torque range of 560 to 660 lb.

How many cylinders are in a school bus engine?

Diesel Bus Engine, 6 Horizontal Cylinder Configuration, Direct Injection. This cut-away is the engine of a diesel bus with 6-cylinder horizon configuration and direct injection.

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What engine do most buses have?

95 percent of all school buses in America are powered by diesel engines because of their reliability, durability and safety. Over half of these (54 percent) rely on the cleanest, near-zero emission diesel engine technology.

Do buses have turbos?

Yes, most of the bus engines made in the past few decades are turbocharged. There are also mid-engined buses and there are older buses that are not turbocharged. Turbocharged engines currently offered for buses are from: Iveco.

What did the 8.3 Cummins come in?

Cummins began producing the engines in 1998. The engine was based on its predecessor, the Cummins C 8.3-litre engine originally introduced in 1985 as the 6C8.

How long do bus engines last?

Some alternatively fueled engines like propane or gasoline may need to be replaced two to three times during the normal lifecycle of a school bus. Clean-diesel engines, on the other hand, are built to last 15-20 years. The difference in engine life lies in how engines are built.

How many miles can a diesel bus last?

These standards determine the maximum age and mileage for which a bus should be used. Smith said buses are expected to last about 12-15 years and 250,000 miles under normal conditions.

What engines do they put in buses?

Diesel engines are built to last and are specifically designed for medium-duty use. Diesel engines can last 15 to 20 years or more. Diesel engines last 2-3 times longer than their propane and gasoline counterparts. Diesel engines almost never need to be replaced during the life of a school bus.

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How heavy is a school bus engine?

Total Engine Weight (Dry) 1,150 lbs.

How many strokes does a bus engine have?

A 4-stroke engine is a very common variation of an internal combustion engine. Most modern internal combustion-powered vehicles are 4-strokes, powered by either gasoline or diesel fuel. During engine operation, pistons go through 4 events to achieve each power cycle.

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