Compression: The inlet valve closes, the piston moves up, and compresses the air mixture, heating it up. Fuel (dark blue) is injected into the hot gas through the central fuel injection valve and spontaneously ignites. Unlike with a gas engine, no sparking plug is needed to make this happen.
What engine does a bus use?
Torque — and Why it Matters for School BusesCUMMINS B6.7 DIESEL ENGINECUMMINS WESTPORT B6.7N NATURAL GAS ENGINE200-300 HP200-240 HP660 LB-FT PEAK TORQUE560 LB-FT PEAK TORQUE660 LB-FT TORQUE AVAILABLE FROM 1300-2300 RPM560 LB-FT TORQUE AVAILABLE FROM 1500-2200 RPM1 а
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 much is a bus engine?
This is a bit more daunting but some engines are within the realm of a reasonably competent do-it-yourselfer. I’d estimate a DT466 could be rebuilt yourself for somewhere around $2000; where a shop will probably set you back around $8000 or more (most of it is labor).
How many cc is a bus engine?
Powering this Ashok Leyland bus is 5660 cc 6 cylinder H series CRS, iGen6 technology engine. It is powered by diesel fuel, produces a maximum power of 200 HP and a maximum torque of 700 Nm. Doing the transmission duty is 6 speed (6F+1R) gearbox.
How much HP does a bus have?
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.
Is driving a bus stressful?
Drivers face many external pressures but often have relatively little control over their environment, a combination that makes bus driving, as The Journal of Occupational Health Psychologywrites, “a classic example of a high-stress occupation.” One Dutch psychologist, noting the competing demands for staying on …
Is driving a bus easy?
Driving a bus is not that much more complicated than driving a car. You do have to be more careful, given the length and weight of a bus, as well as the responsibility you have to your passengers. However, the basics are the same, though you may need to learn to shift if you’ve never driven a standard before.
Why do school bus drivers quit?
Some common grievances here include: administrators not backing up school bus drivers when parents complain; policies that don’t support drivers; disciplinary actions that are perceived as inequitable; not showing appreciation for oldest employees; and too many hoops for drivers to jump through to get administrators to …
What is high mileage for a bus?
Finding buses with LOW mileage is uncommon, but don’t be discouraged. My rule of thumb when I was shopping for a bus was a well maintained gas bus with under 100,000 miles or a well maintained diesel bus with under 200,000. In theory, a well maintained diesel engine can practically run forever.
How far can a bus go?
City buses can normally about 50% more than their daily mileage of about 150 miles, depending on the route, the traffic on the day, and the driving style. They get refuelled every night. The tour buses I drive can cover up to about 600 miles on a tank of fuel and still have a reasonable reserve.
Why are used school buses so cheap?
When purchased new, buses can cost anywhere from $300,000 – $600,000. … One reason why used buses are so cheap is that they may not meet government regulations (discussed below) and thus cannot be purchased by government agencies. Another reason why they are so cheap is that many of them are just purchased for parts.
What happens if you put a truck engine in a car?
For starters, the chassis and suspension of the car will collapse under the weight of the truck engine. Engines are probably the heaviest units in an automobile. Trucks have huge engines and the cars in general aren’t made to withstand that kind of load. So you’ll have to make drastic changes in the car.
What engine is in a school bus?
What is the best engine for a school bus?
Any inline 6 cummins or international would be ideal IMO. My dt466 has plenty of power on tap. Re: What is the best engine to look for? The original 370 in my bus went 160,000 badly-neglected miles.24 мая 2009 г.