HOME

TheInfoList



OR:

The ZF Ecomat automotive transmission was specifically designed by
ZF Friedrichshafen ZF Friedrichshafen AG, also known as ZF Group, originally ''Zahnradfabrik Friedrichshafen'', and commonly abbreviated to ZF (ZF = "Zahnradfabrik" = "Cogwheel Factory"), is a German car parts maker headquartered in Friedrichshafen, in the south- ...
AG primarily for city-
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 ...
es and motorcoaches. It has several generations – all of the
automatic transmission An automatic transmission (sometimes abbreviated to auto or AT) is a multi-speed transmission used in internal combustion engine-based motor vehicles that does not require any input from the driver to change forward gears under normal driving c ...
type, and many variants. The latest variants use a lock-up
torque converter A torque converter is a type of fluid coupling that transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. In a vehicle with an automatic transmission, the torque converter connects the power ...
along with a retarder. Some variants are listed below.


Gear ratios Ecomat I (1980–1985)


Gear ratios Ecomat I/II/IV (1985–2016)


1st generation — Ecomat (1980–2002)

All generations of the Ecomat series are no longer in production. *4HP500 / 5HP500 / 6HP500 — four-, five- or six-speed; maximum input
torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...
of 1100 Nm *4HP590 / 5HP590 / 6HP590 — four-, five- or six-speed; maximum input torque of 1250 Nm *4HP600 / 5HP600 / 6HP600 — four-, five- or six-speed; maximum input torque of 1400 Nm


2nd generation — Ecomat 2 (1997–2007)

All generations of the Ecomat series are no longer in production. *4HP502/C / 5HP502/C / 6HP502/C — four-, five- or six-speed; maximum input
torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...
of *4HP592/C / 5HP592/C / 6HP592/C — four-, five- or six-speed; maximum input torque of *4HP602/C / 5HP602/C / 6HP602/C — four-, five- or six-speed; maximum input torque of


3rd generation — Ecomat 4 (2006–2016)

All generations of the Ecomat series are no longer in production. *5HP504/C – five speed for lighter buses up to 13
ton Ton is the name of any one of several units of measure. It has a long history and has acquired several meanings and uses. Mainly it describes units of weight. Confusion can arise because ''ton'' can mean * the long ton, which is 2,240 pounds ...
; maximum input
torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...
of *5HP504/C / 6HP504/C — five- or six-speed; maximum input
torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...
of *5HP594/C / 6HP594/C — five- or six-speed; maximum input torque of *5HP604/C / 6HP604/C — five- or six-speed; maximum input torque of


Use in rail vehicles

In addition to its use in road vehicles, the Ecomat transmission is also employed in the Class 172 lightweight
diesel multiple unit A diesel multiple unit or DMU is a multiple-unit train powered by on-board diesel engines. A DMU requires no separate locomotive, as the engines are incorporated into one or more of the carriages. Diesel-powered single-unit railcars are also ...
(DMU) trains in service with various
operators Operator may refer to: Mathematics * A symbol indicating a mathematical operation * Logical operator or logical connective in mathematical logic * Operator (mathematics), mapping that acts on elements of a space to produce elements of another sp ...
in
Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...
, in major refurbishments of ČD Class 842 in the
Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
, CAF built C4K in Northern Ireland and the ABB Scandia built
IC3 The IC3 (or class MF) is a Danish-built high-comfort medium/long distance diesel multiple-unit train. The sets were built by ABB Scandia (later purchased by Adtranz, which itself was subsequently acquired by Bombardier Transportation) in Rand ...
(DSB Class MF) DMUs in
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...
.


See also

*
List of ZF transmissions This list of ZF transmissions details those automotive transmissions created by the German ZF Friedrichshafen AG engineering company. There are two fundamental types of motor vehicle transmission: * Manual – the driver has to perform each ...
*
ZF Ecolife The ZF EcoLife transmission is a 6 speed planetary transmission for medium capacity applications with rapid speed variation, such as city buses and diesel commuter rail, designed by ZF Friedrichshafen. It features boosted operating economy, longer ...


References

* * {{inc-transport, date=October 2021 Ecomat