Standards & approvals

API

The American Petroleum Institute defines the service categories for engine oils – the S series for petrol engines, the C series for diesel engines – and the GL classes for gear oils. Engine oils licensed under the API programme carry its “donut” symbol on the pack.

Full name
American Petroleum Institute
Type
Standards body
Official website
api.org

API standards

Engine oil performance

  • API CDAPI CD diesel engine oil (obsolete)
  • API CEDiesel engine oil, API CE performance levelWithdrawn
  • API CFDiesel engine oil, API CF performance levelWithdrawn
  • API CF-2API CF-2 two-stroke-cycle diesel engine oil (obsolete)
  • API CF-4Diesel engine oil, API CF-4 performance levelWithdrawn
  • API CG-4Diesel engine oil, API CG-4 performance levelWithdrawn
  • API CH-4Diesel engine oil, API CH-4 performance level
  • API CI-4Diesel engine oil, API CI-4 performance level
  • API CI-4 PLUSDiesel engine oil, API CI-4 PLUS performance level
  • API CJ-4Diesel engine oil, API CJ-4 performance level
  • API CK-4Diesel engine oil, API CK-4 performance level
  • API FA-4Diesel engine oil, API FA-4 performance level
  • API SCAPI SC gasoline engine oil (obsolete, ~1964-1967)
  • API SFPetrol engine oil, API SF performance levelWithdrawn
  • API SGPetrol engine oil, API SG performance levelWithdrawn
  • API SHPetrol engine oil, API SH performance levelWithdrawn
  • API SJPetrol engine oil, API SJ performance level
  • API SLPetrol engine oil, API SL performance level
  • API SMPetrol engine oil, API SM performance level
  • API SNPetrol engine oil, API SN performance level
  • API SN PLUSPetrol engine oil, API SN PLUS performance level
  • API SPPetrol engine oil, API SP performance level
  • API SQPetrol engine oil, API SQ performance level
  • API TCAPI TC — two-stroke engines

Gear and axle oil

  • API GL-3API GL-3 automotive gear oil (historical)
  • API GL-4Gear oil, API GL-4 service level
  • API GL-5Gear oil, API GL-5 service level
  • API MT-1Gear oil, API MT-1 service level

Products with a API approval or standard

Engine oils

Manual gearbox & axle oils

Automatic transmission fluids

Agricultural multifunction oils

  • On order

    Akros Multi 10W30

    Multipurpose U.T.T.O. oil for tractor and farm-machine transmissions, API GL-4

    SAE 10W-30

  • On order

    Akros Multi 20W30

    Multipurpose U.T.T.O. oil for tractor and farm-machine transmissions, API GL-4

    SAE 20W-30

  • On order

    Akros Multi FCT

    Multipurpose U.T.T.O. oil for SAME Deutz-Fahr machinery, meeting SDFG OT-1891A

    SAE 10W-30

  • On order

    Akros Multi VT

    Multi-purpose tractor oil for transmissions, gearboxes, hydraulics and CVT

    SAE 10W-30

  • On order

    Ambra Multi G 10W-30

    Multi-purpose UTTO transmission oil for tractors and construction equipment

    SAE 10W-30

  • On order

    Arbor MTF

    Universal 10W-30 UTTO transmission oil for tractors and agricultural equipment

    API GL-4

  • On order

    Arbor MTF 10W-30

    Universal UTTO transmission oil for tractors and construction equipment

    SAE 10W-30

  • On order

    Arbor MTF Special 10W30

    UTTO transmission oil with enhanced friction-material durability for tractors

    API GL-4

  • On order

    Arbor Multi FX

    Universal 20W-30 UTTO transmission oil for tractors and agricultural equipment

    API GL-4

  • Divinol
    On order

    Divinol Fluid TO-4 SAE 50

    Caterpillar TO-4 transmission oil for powershift transmissions and wet brakes

    API GL-4

  • Divinol
    On order

    Divinol HGB CVT

    UTTO transmission and hydraulic oil for continuously variable tractor transmissions

    API GL-4

  • Divinol
    On order

    Divinol Multitrac 15W-30

    Mineral STOU oil for engine, transmission, hydraulics and wet brakes of tractors

    SAE 15W-30

  • Divinol
    On order

    Divinol Syntrac TS 10W-40

    Synthetic-based STOU oil for agricultural and construction machinery, easy cold starting

    SAE 10W-40

  • Divinol
    On order

    Divinol System Booster

    Limited-slip additive for GL-5 axle oils, for quieter, lower-wear axles

    API GL-5

  • On order

    Eni Multitech 10W-30

    Multifunctional oil for every component of agricultural machinery

    SAE 10W-30

  • On order

    Eni Multitech 10W-40

    Multifunctional oil for every component of agricultural machinery

    SAE 10W-40

  • On order

    Eni Multitech 15W-40

    Multifunctional oil for every component of agricultural machinery

    SAE 15W-40

  • On order

    Eni Multitech CT 30

    Special oil for the transmissions and differentials of Caterpillar machines

    Cat TO-4

  • On order

    Eni Multitech CT 50

    Special oil for the transmissions and differentials of Caterpillar machines

    Cat TO-4

  • On order

    Eni Multitech CT 60

    Special oil for the transmissions and differentials of Caterpillar machines

    Cat TO-4

  • On order

    Mobil Agri Extra 10W-40

    Semi-synthetic STOU oil for farm engines, transmissions, hydraulics and wet brakes

    SAE 10W-40

  • On order

    Mobil Agri Super 15W-40

    Multi-functional STOU oil for farm engines, transmissions, hydraulics and wet brakes

    SAE 15W-40

  • On order

    Mobilfluid 422

    Multi-purpose tractor fluid for transmissions, hydraulics and wet brakes, API GL-4

    API GL-4

  • On order

    Mobilfluid 424

    Multi-purpose tractor fluid for transmissions, wet brakes and PTOs, ZF TE-ML 05F/17E

    VCE WB 101

  • On order

    Mobilfluid 428

    Shear-stable multi-purpose tractor fluid, also suited to conventional CVT transmissions

    SAE 10W-30

  • On order

    Shell Spirax S3 T

    STOU universal SAE 15W-40 oil for modern agricultural equipment

    MASSEY FERGUSON CMS M1139

  • On order

    Shell Spirax S3 TLV

    UTTO SAE 5W-20 oil for transmissions, hydraulics and oil-immersed brakes

    API GL-4

  • On order

    Shell Spirax S4 TX

    STOU universal SAE 10W-40 tractor oil on XHVI base oils

    MASSEY FERGUSON CMS M1139

  • On order

    Shell Spirax S4 TXM

    UTTO SAE 10W-30 oil for tractor transmissions, hydraulics and brakes

    API GL-4

  • On order

    Shell Spirax S6 TXME

    Synthetic UTTO SAE 10W-30 oil for tractor transmissions, hydraulics and brakes

    Ford ESN-M2C134-D

Antifreeze & additives

  • On order

    Eni MX 5111

    Additive package for 0W-20 oils for hybrid and start-stop cars

    ILSAC GF-5

  • On order

    Eni MX 5114

    Additive package for passenger car and 4-stroke motorcycle oils

    JASO MA2

  • On order

    Eni MX 5116

    Additive package for passenger car and light-duty engine oils

    ACEA A3/B4

  • On order

    Eni MX 5212

    Additive package for high-performance heavy-duty diesel engine oils

Small-engine & forestry oils

Hydraulic oils

  • On order

    Mobil Hydraulic 10W

    Hydraulic oil with detergents and dispersants for heavy-duty on- and off-highway equipment

    SAE 10W

Marine lubricants

  • On order

    Mobilgard 1 HSD 5W-40

    Fully synthetic low-ash oil for high-speed marine diesel engines, API CK-4

    SAE 5W-40

  • On order

    Mobilgard 1 SHC

    Zinc-free synthetic oil for high-power distillate-fuelled marine diesel engines

    SAE 40

  • On order

    Mobilgard 312

    Trunk piston engine oil for marine diesels on low-sulphur distillate fuels, SAE 30

    SAE 30

  • On order

    Mobilgard 412

    Trunk piston engine oil for marine diesels on low-sulphur distillate fuels, SAE 40

    SAE 40

  • On order

    Mobilgard 450 NC

    Zinc-free, chlorine-free oil for EMD marine diesel engines on fuels up to 1.5 % sulphur

    SAE 40

  • On order

    Mobilgard ADL 30

    Oil for high-BMEP medium- and high-speed marine diesel engines on distillate fuel

    SAE 30

  • On order

    Mobilgard ADL 40

    Oil for high-BMEP medium- and high-speed marine diesel engines on distillate fuel

    SAE 40

  • On order

    Mobilgard HSD CI-4 Series

    Multigrade oil for severe-service high-speed marine diesel engines, SAE 15W-40 or 20W-50

    Cummins CES 20076

  • On order

    Shell Sirius X 40

    SHPD oil for high-speed marine diesel engines on distillate fuel

    MTU Oil Category 2

Base oils

  • On order

    AP/E Core 100

    Base stock for blending automotive and industrial lubricants, with API/ATIEL interchange

  • On order

    AP/E Core 150

    Base stock for blending automotive and industrial lubricants, with API/ATIEL interchange

  • On order

    AP/E Core 2500

    Base stock for blending automotive and industrial lubricants, with API/ATIEL interchange

  • On order

    AP/E Core 600

    Base stock for blending automotive and industrial lubricants, with API/ATIEL interchange

  • On order

    EHC 340 Max

    Group II base stock for automotive, industrial and marine lubricants, available from 2025

    D5800-PROB

Cleaners & service products

All standards and approvals

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