Maintenance Categories; Maintenance Category A; Maintenance Category B - Mercedes-Benz OM 457 LA Betriebsanleitung

Maintenance categories

Maintenance category A

Intermittent operation at low loads.
Examples of use:
• Vehicles:
Tourist coaches, long-haul commercial vehicles.
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Maintenance category B

Intermittent operation predominantly within the mod-
erate engine speed range and load range.
Examples of use:
• Vehicles:
City buses, commercial delivery vehicles, fire-fighting
vehicles, construction-site vehicles, airport shuttle
buses.
• Agricultural machinery:
Tractors, vineyard tractors, grape pickers, car loaders,
mixing and grinding machines, bark peeling machines,
logging tractors.
• Industrial trucks and lifting devices:
Industrial tractors, lifting trucks, charging cars, aircraft
towing vehicles, container loading machines, van carri-
ers, harbour cranes, cranes – vehicle engine, crane –
vehicle engine and engine of special-purpose body,
crane – engine of special-purpose body.
• Construction machines:
Wheel loaders, road graders, shovels, bucket excava-
tors, road rollers, vibratory rollers, concrete mixers –
vehicle engine, concrete mixer – vehicle engine and
engine of special-purpose body, concrete mixer –
engine of special-purpose body, concrete pumps, road
finishing machines, soil compactors, track tamping
machines.