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 engines are in buses?
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.
How many horsepower 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 much horsepower does a London bus have?
The de-rated Cummins L10 engines delivers 180-Hp. Current London d/d buses are powered by a variety of engines such as the Cummins 6.7-litre 6BTA and the Volvo 7-litre engines, with diesel-electric (with battery) and the BYD battery-electric buses now entering service.
Do school busses have turbos?
Buses and trucks generally use a 6 cylinder in-line diesel engine and using a turbocharger can improve the thermal efficiency of the engine and also can control the emission level to an extent. Though old buses are not equipped with turbocharger the buses manufactured nowadays are fitted with a turbocharger.
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.
How many cc is 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|
How fast can a school bus go?
By law, school buses must travel “at a safe rate of speed, consistent with the volume of traffic, intersections, curves, railway crossings and any other condition requiring special caution.” The law sets the maximum speed for school buses at 50 mph on divided, limited access highways and 40 mph on all other highways, “ …
What is a Type A school bus?
TYPE A: A Type “A” school bus is a van conversion or bus constructed utilizing a cutaway front section vehicle with a left-side driver’s door. … A “type C school bus” also includes a cutaway truck chassis or truck chassis with cab, with or without a left side door, and with a GVWR greater than 21,500 pounds.
How much HP does a turbo add?
A turbocharger works with the exhaust system and can potentially give you gains of 70-150 horsepower. A supercharger is connected directly to the engine intake and could provide an extra 50-100 horsepower.
What are the 3 types of buses?
Three types of bus are used.
- Address bus – carries memory addresses from the processor to other components such as primary storage and input/output devices. …
- Data bus – carries the data between the processor and other components. …
- Control bus – carries control signals from the processor to other components.
How much does a school bus cost?
How much does a new school bus cost? A new school bus will cost between $50,000 to $80,000, or more, depending on the size and features of the new school bus.