Glossar O

O-Aggregat

Bezeichnung für ein Luftfederaggregat mit Hebe- und Senkvorrichtung. Vom Hersteller BPW. Frühere Bezeichnung.

O-aggregate

Term used for air suspended aggregate with raise/lower facility manufactured by BPW.

Obergurt

Ist die obere umlaufende Profilabschlussleiste an Kippaufbauten. Sie hat reinen Stabilisierungscharakter.

Oberluft

Bevor ein Silobehälter mittels Druckluft entleert wird, wird dem Behälter von oben die sogenannte Oberluft zugeführt.

OBU

On-Board-Unit – Erfassungsgeräte im LKW zur Berechnung der Mautgebühr.

OBU

On-Board-Unit. Equipment used in commercial vehicles to register tolls.

Off-road

Vehicles which usually have axle groups with independent suspension between the axles which allow the vehicle to maintain contact with the ground on uneven terrain.

Offset

Wheel rims may have an internal section (with the bolt/nut holes) which is offset to fit around the brake drum. Mostly used for twin wheel trailers.

Ofis

Elektronisches Informations- und Navigationssystem vom Hersteller Krone

Ofis

Electronic information and navigation system from the German manufacturer Krone.

Oil capacity

The volume of oil in a tipping system e.g. a tipping semi-trailer has between 60 and 70 litres in the system. The oil storage tanks have a capacity of 70 to 100 litres.

Oil cooler

Part of a discharge nozzle on a tanker class A1 to A3.

Oil lubrication

Axles from manufacturers SAF and ROR are fitted with an oil sump on the hubs.

Ölaufnahme

Es ist die Mengenaufnahme von Öl innerhalb einer Kippanlage gemeint, z. B. bei einem Kippsattelauflieger ca 60 bis 70 l Öl im System. Die Tanks, in welche das Öl beim Ablassen des Kippers zurückläuft, haben meistens ein Fassungsvermögen von 70 bis 100 l.

Ölkühler

Ist Bestandteil einer Abgabearmatur bei Tankfahrzeugen für Gefahrenklasse A1 bis A3.

Ölschmierung

Achsen von den Herstellern SAF und ROR sind mit einer Nabenölbadlagerung ausgestattet.

OMEGA floor

Laminated wooden floorboards laid between galvanised OMEGA (top hat) rails. Extremely strong construction.

OMEGA-Boden

Schichtverleimtes und längs verlegtes Holz, welches als Bodenmaterial zwischen verzinkten OMEGA-Schienen verlegt wird. Diese Bodenbauweise ist besonders stabil.

One man operation

Term used to describe a technical component that can be operated by one person e.g. the operation of low loader ramps via hydraulic or spring aided means.

One-piece ramps

These are ramps on low loaders that are one piece i.e. not foldable or telescopic. Operated with the help of springs or hydraulics.

Open mouthed coupling

Coupling fitted to tractor unit for towing drawbars fitted with a towing eye. The coupling has an open mouth and can be turned side to side for easy engagement.

Operating hour

Operating control unit in order the count the operating hours and to inform about service intervals.

Operating pole

Used to open and close a sliding roof or to adjust the body height of mega-trailers.

Operational pressure

In this case referring to silo and tank vehicles – usually 2 bar.

ORBCOMM – Telematic

Kommerzielles, satellitengestütztes Kommunikationsnetz, das paketorientierte, bidirektionale Datenkommunikation anbietet, für die Verteilung von Daten via Internet, X.25 oder Festverbindungen. Aktuell technisch überholt.

ORBCOMM Telematic

Commercial satellite communication system offering package orientated, bi-directional data communication for distribution of data via the internet, X.25 or landlines. It´s not up to date.

Outer frame

On trailers and bodies, these are not only load-bearing elements, but are also transformed into an essential component, through hole patterns and integrated lashing bows, which enable optimised load securing.

Outer skin

The outer layer of vehicle bodywork.

Outer spar

On the outer right and left, the tarpaulin frames of tarpaulin bodies have continuous or divided spars; often with an integrated running rail for curtain-siders.

Over length

Term used for road trains over 18.75m long. May be required for loads which cannot be made shorter and require special approval in accordance with national road regulations.

Over-roll trailer

Roll container trailer from the manufacturer Doll.

Over-running brake

Braking system for trailers. When the towing vehicle breaks the momentum of the trailer is used to apply the trailer brakes via a system of brake rods. Approved for use on trailers with gross weight up to 8 tonnes at maximum speed of 25 km/h or at maximum speed of 40 km/h if brakes are applied to all wheels and approved on trailers without speed limit on trailers up to 3.5 tonnes when all wheels are braked. Only one trailer can be towed in this manner. Two trailers may be towed if the vehicle so built that it cannot exceed 25 km/h and the vehicles have appropriate markings.

Overall centre of gravity

The centre of gravity calculated from the total dimensions and weights of a vehicle.

Overall height

The overall height of a vehicle. Maximum permissible height in Germany is 4 m.

Overall length

The overall length of a vehicle. At present this is 18.75m for road trains and 16.5m for semi-trailer combinations.

Overall width

The maximum allowable width of a vehicle. At present this is 2550mm for standard vehicles and 2600mm for refrigerated vehicles.

Overcentre lock

Locks for drop-sides and other applications which use an overcentre function to keep them closed.

Overroll-Anhänger

Rollbehälter-Transportanhänger vom Hersteller Doll.