What is API?
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SB |
low strain |
SC |
motors construction year 1964 to 1971 |
SD |
motors construction year 1968 to 1971 |
SE |
motors from construction year 1972 stop and go-running |
SF |
motors from construction year 1981 für extended oil changes |
SG |
improved oxidation stability and motor cleanliness / 1988 |
SH |
meets higher demands at evaporation loss, filterability, foam behaviour and flash point / 1993 |
SJ |
improved cold start compatibility, extended oil changes |
SL |
improved power efficiency, valid from 7/2001 |
CA | low strain | CB | moderatly strain | CC | light layed up diesel engines | CD | high layed up diesel engines | CD-Plus | high layed up diesel engines (amplified norm) | CE | SHPD diesel engine oil for layed up diesel engines (conditioned for gas engines) | CF-4 | specification for fast-running 4 and 6 cylinder diesel engines. Complements the specification CE in oil consumption and piston cleanliness | CG-4 | specification for highly-stressed vehicle motors | CH-4 | specification for highly-stressed vehicle motors, meets Euro 3 |
API-class | MIL-specification | Operating field / Operating conditions | Manufacturers regulations (examples) |
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GL1 | - | low-stressed grearboxes | Volvo-Nkw | GL2 | - | industry-/worm gear | | GL3 | - | normal stressed gearboxes | Fiat | GL4 | MIL-L-2105 | highly stressed gearboxes, low stressed hypoid gearing | MAN 341 MB Blatt 235.1 | GL5 | MIL-L-2105 B MIL-L-2105 C MIL-L-2105 D | highly-stressed hypoid gearbing, gearboxesif mandatory / approved | MAN 342 MB Blatt 235.0 | MT-1 | MIL-PRF-2105E | unsynchronuous gearboxes in American Nkw | Eaton, Fuller |
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