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Comparison Shell Spirax S4 G 75W-90 1 L vs Castrol Syntrans Multivehicle 75W-90 1 L

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Shell Spirax S4 G 75W-90 1 L
Castrol Syntrans Multivehicle 75W-90 1 L
Shell Spirax S4 G 75W-90 1 LCastrol Syntrans Multivehicle 75W-90 1 L
from $12.00
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from $12.52 up to $17.92
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Transmission typeManual transmissionManual transmission
Typesemi-syntheticsynthetic
Viscosity (SAE)75w-9075w-90
Volume1 L1 L
ComplianceAPI GL-4API GL-4
Manufacturers approvalsVW 501.50
Added to E-Catalogfebruary 2016october 2015

Type

The type is determined by the composition of the oil.

Mineral. Oils made from products of petroleum distillation. Such compounds tolerate temperature extremes worse than synthetic ones, which is why they require more frequent replacement and are poorly suited for extreme conditions and high-end transmissions. On the other hand, during normal driving on relatively simple car models, “mineral water” is practically not inferior to “synthetics”, but costs much less.

Synthetics. Compositions from components obtained artificially (synthesis). Considered more advanced than mineral oils, oils are produced in this category, including for expensive cars that are demanding on the quality of fuels and lubricants. In addition, “synthetics” do not pollute the system so much, and after draining such oil, it is often not necessary to flush the transmission at all. However, these brands are not cheap.

— Semi- synthetics. A compromise between the two types described above are oils consisting of both mineral and synthetic components. Such compositions have more advanced characteristics than "mineral water", while they are much cheaper than "synthetics".

Manufacturers approvals

Manufacturer approvals for the gear oil.

Tolerances are the own standards of major automakers, developed taking into account the technical features of individual car models. If the oil meets the tolerance specified in the documentation for the machine, then it takes into account these technical features and is optimally suited for this model.
Shell Spirax S4 G 75W-90 often compared
Castrol Syntrans Multivehicle 75W-90 often compared