General Electric issues the GEK specifications for its turbine oils – for example GEK 32568 for gas turbines and GEK 46506 for steam turbines – as well as requirements for other equipment such as traction motors. Its power business continues today as GE Vernova.

Full name: General Electric
Type: Manufacturer (OEM)
Official website: ge.com

GE standards

Gear and axle oil

GE D50E32 AC Traction MotorGE D50E32 — traction motor lubricant

Compressor and turbine oil

GE GEK 28143AGE GEK 28143A — turbine oil
GE GEK 28143BGE — turbine oil requirements
GE GEK 32568HGE GEK 32568H — turbine oil
GE GEK 101941AGE GEK 101941A — turbine oil
GE GEK 107395AGE GEK 107395A — turbine oil
GE Power GEK 27070GE — turbine oil requirements
GE Power GEK 32568QGE — turbine oil requirements
GE Power GEK 46506DGE — turbine oil requirements
GE Power GEK 120498GE — turbine oil requirements
GE Power GEK 121608GE — turbine oil requirements
GE Thermodyn ISPSH902SDIGE Thermodyn ISPSH902SDI — turbine oil

Products with a GE approval or standard

Engine oils

On order
Mobil Pegasus 1107
Gas engine oil with 0.65% ash for high-BMEP steel-piston engines
SAE 40
On order
Shell Caprinus XR 40
Zinc-free oil for GE and EMD railroad diesel locomotive engines
API CF

Industrial gear oils

On order
Mobil SHC 624
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 626
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 627
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 629
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 630
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 632
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 634
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 636
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC 639
Fully synthetic gear and bearing oil with low traction for long oil life
GE D50E32 AC Traction Motor
On order
Mobil SHC Gear 150
Synthetic EP oil for enclosed industrial gears, resistant to micropitting
ISO VG 150
On order
Mobil SHC Gear 220
Synthetic EP oil for enclosed industrial gears, resistant to micropitting
ISO VG 220
On order
Mobil SHC Gear 320
Synthetic EP oil for enclosed industrial gears, resistant to micropitting
ISO VG 320
On order
Mobil SHC Gear 320 WT
PAO synthetic oil for wind turbine gearboxes, DNV-GL certified for no WEC contribution
ISO VG 320
On order
Mobil SHC Gear 460
Synthetic EP oil for enclosed industrial gears, resistant to micropitting
ISO VG 460
On order
Mobil SHC Gear 680
Synthetic EP oil for enclosed industrial gears, resistant to micropitting
ISO VG 680
On order
Shell Omala S4 GXV 320
Synthetic industrial gear oil, Flender-approved
ISO VG 320
On order
Shell Omala S4 GXV 460
Synthetic industrial gear oil, Flender-approved
ISO VG 460
On order
Shell Omala S5 Wind 320
Advanced synthetic oil for wind turbine gearboxes, including offshore
ISO VG 320

Turbine oils

On order
Eni OTE 32
Mineral turbine oil with rapid air release and excellent demulsibility
ISO VG 32
On order
Eni OTE 46
Mineral turbine oil with rapid air release and excellent demulsibility
ISO VG 46
On order
Eni OTE 68
Mineral turbine oil with rapid air release and excellent demulsibility
ISO VG 68
On order
Eni OTE GT 32
Oil for gas and combined-cycle turbines, to 260 °C
ISO VG 32
On order
Eni OTE GT 46
Oil for gas and combined-cycle turbines, to 260 °C
ISO VG 46
On order
Mobil DTE 732
Zinc-free turbine oil for gas and steam turbines, with enhanced air release
ISO VG 32
On order
Mobil DTE 746
Zinc-free turbine oil for gas and steam turbines, with enhanced air release
ISO VG 46
On order
Mobil SHC 832 Ultra
Synthetic turbine oil for steam, gas and CCGT turbines, with deposit and varnish control
ISO VG 32
On order
Mobil SHC 846 Ultra
Synthetic turbine oil for steam, gas and CCGT turbines, with deposit and varnish control
ISO VG 46
On order
Shell Turbo Oil T 32
Mineral oil for industrial steam and gas turbines
Alstom HTGD 90117
On order
Shell Turbo Oil T 46
Mineral oil for industrial steam and gas turbines
Alstom HTGD 90117
On order
Shell Turbo Oil T 68
Mineral oil for industrial steam and gas turbines
Alstom HTGD 90117
On order
Shell Turbo S4 GX 32
GTL oil for geared steam, gas and combined-cycle turbines
ISO VG 32
On order
Shell Turbo S4 GX 46
GTL oil for geared steam, gas and combined-cycle turbines
ISO VG 46
On order
Shell Turbo S5 DR 46
Fire-resistant hydraulic and lubricating fluid on tri-aryl phosphates
ISO VG 46
On order
Teresstic T 100
Mineral turbine and circulating oil for moderately high temperatures
ISO VG 100
On order
Teresstic T 32
Mineral steam and gas turbine oil, with good air release and low foaming tendency
ISO VG 32
On order
Teresstic T 46
Mineral steam turbine and circulating oil with good air release and low foaming
ISO VG 46
On order
Teresstic T 68
Mineral oil for steam turbines, hydro-turbines and circulating systems
ISO VG 68

Circulating & slideway oils

On order
Mobil DTE Oil Heavy
Circulating oil for steam and hydro turbines with rapid water separation, ISO VG 100
ABB Turbo HZTL 90572
On order
Mobil DTE Oil Heavy Medium
Circulating oil for steam and hydro turbines with rapid water separation, ISO VG 68
ABB Turbo HZTL 90572
On order
Mobil DTE Oil Light
Circulating oil for steam and hydro turbines with rapid water separation, ISO VG 32
ABB Turbo HZTL 90572
On order
Mobil DTE Oil Medium
Circulating oil for steam and hydro turbines with rapid water separation, ISO VG 46
ABB Turbo HZTL 90572

Transformer & dielectric oils

On order
Diala S4 ZX-I
Premium inhibited electrical insulating oil, virtually sulphur-free, for power transformers
GB 2536-2025
On order
Diala S4 ZX-I OEM BULK
Inhibited, biodegradable electrical insulating oil with zero sulphur content
OECD 301B

Marine lubricants

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

Aviation turbine oils

On order
AeroShell Turbine Oil 500
5 mm²/s synthetic hindered ester oil for aircraft turbine engines
SAE AS5780
On order
AeroShell Turbine Oil 560
Low-coking 5 mm²/s synthetic oil for aircraft turbine engines
NATO Code O-154

All standards and approvals

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