Frequent question: How much horsepower does a diesel school bus have?

How many HP is a bus engine?

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 diesel engines are in school buses?

Ultra-low sulfur diesel (ULSD) fuel and advanced technology diesel engines helps these new buses reduce emissions of particulate matter (PM) and hydrocarbon (HC) emissions to near zero levels.

What size engine does a school bus have?

5.9L. The Cummons 5.9L is a very common engine for light duty trucks. School buses are medium duty trucks so this engine is a bit underpowered for a bus. The 5.9L can be found in many dodge pick-ups as well as a school bus.

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.

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How much HP does a school bus have?

Torque — and Why it Matters for School Buses

CUMMINS B6.7 DIESEL ENGINE CUMMINS WESTPORT B6.7N NATURAL GAS ENGINE
200-300 HP 200-240 HP
660 LB-FT PEAK TORQUE 560 LB-FT PEAK TORQUE
660 LB-FT TORQUE AVAILABLE FROM 1300-2300 RPM 560 LB-FT TORQUE AVAILABLE FROM 1500-2200 RPM

How strong is a school bus?

Well, you might have noticed that school buses are big and heavy, over seven times heavier than a car when filled. That means they can absorb a crash better and passengers feel less force in a crash. Their solid frame also helps prevent damage in a rollover. But it’s not just their size.

How many miles can a diesel bus last?

On average, a clean-diesel school bus can travel about 510 miles on a tank of diesel vs. only 270 miles on gasoline, based on the same standard-sized fuel tanks.

What is the best engine in a school bus?

School bus engine comparison:

International Navistar Cummins
Block: Cast iron, wet sleeve, inline 6 Cast iron
Compression Ratio: 1-5-3-6-2-4 1-5-3-6-2-4
Horsepower: Up to 300 hp @ 2,200 rpm 235 – 325 HP @ 2,900 rpm
Torque: Up to 860 lb-ft @ 1,300 rpm 460 – 610 lb-ft @ 1,600 rpm

How much fuel does a diesel bus use?

Fuel efficiency

Fuel efficiencies used in this analysis were as follows: diesel bus: 4.82 miles per diesel gallon; diesel-hybrid bus: 5.84 miles per diesel gallon; natural gas bus: 4.47 miles per diesel gallon equivalent; and battery electric bus: 2.02 kWh per mile, which accounts for a 90 percent charging efficiency.

Do school bus engines have turbos?

Yes, most of the bus engines made in the past few decades are turbocharged.

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What is the CC of a bus engine?

Engine and Performance

Engine H Series CRS, iEGR Technology
Engine Displacement 5660 cc
Fuel Injection System Common Rail
Fuel Tank Capacity 350 Litres
Gearbox Synchromesh

What is a diesel engine made of?

Petroleum products normally used as fuel for diesel engines are distillates composed of heavy hydrocarbons, with at least 12 to 16 carbon atoms per molecule. These heavier distillates are taken from crude oil after the more volatile portions used in gasoline are removed.

What engines do Thomas buses use?

The Detroit DD8 engine is a 7.7L in-line six-cylinder medium-duty engine, specifically developed for the Thomas Built Buses Saf-T-Liner HDX. It provides a horsepower range of 260 to 300 and a torque range of 660 to 860 lb. -ft.

What engine is in Thomas school bus?

Thomas Built Buses Debuts First Saf-T-Liner HDX School Bus Equipped with Detroit DD8 Engine – Thomas Built Buses.

What engines do buses have Australia?

The standard Scania engine for route and city bus operations is the 310hp five-cylinder with 1500Nm, while coach operators are revelling in the prowess of the 490hp Euro 6 unit with 2550Nm, which recently arrived here in Australia, it’s stated.