Quick Answer: What kind of engines do busses have?

What is the best engine for 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

Do school buses have a turbo?

Yes, most of the bus engines made in the past few decades are turbocharged. On buses, the engine is generally installed at the rear, lying down on the left side to free up space in front of the rear door, or upright, which allows better access for maintenance.

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.

Do you need a CDL to drive a school bus?

Guidance: Yes. Any driver of a bus that is designed to transport 16 or more persons, or that has a GVWR of 26,001 pounds or more, is required to obtain a CDL in the applicable class with a passenger endorsement. This includes drivers transporting empty school buses on a public highway.

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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

Is 2 stroke or 4 stroke faster?

A stroke is a motion of a piston, meaning a two-stroke dirt bike has 2 different motions of the piston, while a four-stroke has 4. 2 Strokes are generally more unstable and accelerate faster, while a 4 stroke is more consistent and has a higher top speed.

How many cc is a bus engine?

Engine and Performance

Engine H Series CRS, iEGR Technology
Engine Cylinders 6
Engine Displacement 5660 cc
Fuel Injection System Common Rail
Fuel Tank Capacity 239 Litres