MAN SL202
Encyclopedia
The MAN SL202 was a single-decker bus
Single-decker bus
A single-decker bus or single-decker is a bus that has a single deck for passengers. Normally the use of the term single-decker refers to a standard two-axled rigid bus, in direct contrast to the use of the term double-decker bus, which is essentially a single decked bus with an extra deck and...

 built by MAN Nutzfahrzeuge from the mid-1980s, through to 1995, mainly used in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. Much of the design was used in the American version of the SL202, the MAN Americana SL40-102.

The SL202 came with a wide choice of transmissions
Transmission (mechanics)
A machine consists of a power source and a power transmission system, which provides controlled application of the power. Merriam-Webster defines transmission as: an assembly of parts including the speed-changing gears and the propeller shaft by which the power is transmitted from an engine to a...

, from three- and four-speed Renk
Renk
RENK AG is a German company, part of the MAN Group. It has its headquarters in Augsburg, and is producer of gears, other components of propulsion technology and test systems. It is currently the leading manufacturer of transmissions for tracked vehicles, worldwide and a major supplier for marine...

 Doromat automatic transmission
Automatic transmission
An automatic transmission is one type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually...

s, to three- and four-speed Voith DIWA transmissions, to four- and five-speed ZF Ecomat
ZF Ecomat
The ZF Ecomat automotive transmission was specifically designed by ZF Friedrichshafen AG primarily for city-buses and motorcoaches. It has several generations - all of the automatic transmission type, and many variants. The latest variants utilise a lock-up torque converter along with a retarder...

 5HP500 transmissions. One to date has been retro-fitted with an Allison
Allison Transmission
Allison Transmission is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products are specified by over 250 of the world’s leading vehicle manufacturers and are used in many market sectors including bus, refuse, fire, construction,...

 World Series B300R4 transmission, creating a largely noticeable increase in performance against similar examples with the three-speed Voith DIWA transmission.

The internal combustion engine
Internal combustion engine
The internal combustion engine is an engine in which the combustion of a fuel occurs with an oxidizer in a combustion chamber. In an internal combustion engine, the expansion of the high-temperature and high -pressure gases produced by combustion apply direct force to some component of the engine...

s used in the SL202 were replaced around 1990, from older, smaller, 2566 series engines to newer, larger, 2866 series engines. The majority of pre-1990 SL202s have a 155 kW D2566UH engine, developing about 755 newton metres (557 ft·lbf) of torque
Torque
Torque, moment or moment of force , is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist....

 at 1,400 rpm. These D2566 engines have a capacity of 11.413 litres (695.9 cu in) and max out at 2,200 rpm. This same engine was used for the SL200 and is similar in design to that of the OM407h engine used in the Mercedes-Benz O305
Mercedes-Benz O305
Mercedes-Benz O305 is a rear-engined bus model built in West Germany between 1967 and 1987. The O305 was built as a successor of the O317 and was the Mercedes-Benz adaptation of the first so called "Standard-Linienbus" design, that was produced by many different German bus manufacturers. The...

.

Post-1990 SL202s have the D2866 engine, with higher power and torque figures. These engines have a capacity of 11.967 litres (729.7 cu in) and maximum output at 2,200 rpm, the design is similar to the OM447h engine of the Mercedes-Benz O405.

The SL202 was replaced by the MAN NL202
MAN NL202
The MAN NL202 was a single-decker bus built by MAN Nutzfahrzeuge from the late 1980s until 1992. Especially sold in Europe, in particular in Germany, it was replaced by MAN NL202.It used a low floor configuration....

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