The Jelcz PR110D is a

coach Coach may refer to: Guidance/instruction * Coach (sport), a director of athletes' training and activities * Coaching, the practice of guiding an individual through a process ** Acting coach, a teacher who trains performers Transportation * Co ...

and

intercity bus An intercity bus service (North American English) or intercity coach service (British English and Commonwealth English), also called a long-distance, express, over-the-road, commercial, long-haul, or highway bus or coach service, is a public tr ...

produced by the

Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles Poles,, ; singular masculine: ''Polak'', singular feminine: ''Polka'' or Polish people, are a West Slavic nation and ethnic group, w ...

company

Jelcz Jelcz (pronounced like ''Yelch'' after the town of the same name) is a Polish brand of trucks, military vehicles, buses and trolley buses produced by ''Zakłady Samochodowe Jelcz''/''Jelczańskie Zakłady Samochodowe'', with both names roughly ...

Jelcz-Laskowice Jelcz-Laskowice is a town in Oława County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district ( gmina) called Gmina Jelcz-Laskowice. It lies on the Odra (Oder) river, approximately north of Oł ...

near

Oława Oława (pronounced , , szl, Oława) is a historic town in south-western Poland with 33,029 inhabitants (2019). It is situated in Lower Silesian Voivodeship (from 1975–1998 it was in the former Wrocław Voivodeship), within the Wrocław ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...

in 1984-1992.

History of the model in Poland

The predecessor of Jelcz PR110D

bus A bus (contracted from omnibus, with variants multibus, motorbus, autobus, etc.) is a road vehicle that carries significantly more passengers than an average car or van. It is most commonly used in public transport, but is also in use for cha ...

was a French Berliet PR110 TOURISME (1977). The bus was built on its basis in 1984 with several units of the bus with the name Jelcz PR110D. The letter ''D'' means ''long-distance''.

Specification

The

engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power gen ...

was a Mielec SW680 / 164. Initially, it reached 186

horsepower Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the ...

power, however, since 1988 the engine had the power of 202 HP and with the marking SW680 / 165. The mechanical

gearbox Propulsion transmission is the mode of transmitting and controlling propulsion power of a machine. The term ''transmission'' properly refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive vehicles), differe ...

, which was used, wore the designation S6-90 and had 6 gears. The

steering mechanism had a ballscrew hydraulic power of type 8065. Jelcz also had a dual-circuit brake that worked on the front

axle An axle or axletree is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearing ...

and rear

; the emergency brake and

parking brake In road vehicles, the parking brake, also known as a handbrake or emergency brake (e-brake), is a mechanism used to keep the vehicle securely motionless when parked. Parking brakes often consist of a cable connected to two wheel brakes, which is ...

were pneumatic, working in the rear axle. The engine brake was activated pneumatically by cutting off the fuel injection and exhaust flow throttling. Lowering the front wall of the cab resulted in lower drag, and therefore had better handling on the road. Under the floor of the bus there is an extensive

baggage Baggage or luggage consists of bags, cases, and containers which hold a traveler's personal articles while the traveler is in transit. A modern traveler can be expected to have packages containing clothing, toiletries, small possessions, trip ...

compartment with a capacity of 6m³ and fuel tank with the capacity to have 250 litres. Jelcz PR110D was 12000 mm long, 2500 mm wide and 3180 mm high.

References

{{Reflist Buses of Poland Vehicles introduced in 1984 Low-floor buses Coaches (bus)