Mobil SHC Gear 320 WT Advanced wind turbine gear lubricant 20L

Mobil SHC Gear 320 WT is a supreme performance, fully synthetic wind turbine gear lubricant (ISO VG 320) developed specifically to address the unique challenges found in wind turbine gearboxes. It is designed to help extend service intervals and reduce unplanned downtime even under extreme conditions.

• Pack size: 20 l canister
• Also available in: 208 l drum

Applications

Mobil SHC Gear 320 WT advanced wind turbine gear lubricant is recommended for lubrication of the main gearbox in wind turbine power generation systems. It is especially recommended for applications that may be subject to micropitting, especially heavily loaded gearboxes with surface-hardened tooth metallurgies, which are typically used in wind turbines. It may also be used in gear applications where extreme low and/or high temperatures are encountered and applications where corrosion may be severe. Compared to conventional gear oil chemistries, Mobil SHC Gear 320 WT advanced wind turbine gear lubricant can provide improved lubrication of gearbox rolling element bearings.
Mobil SHC Gear 320 WT has a recommended operating temperature range of -35 ºC to 100 ºC.
Typical applications include:

• Wind turbines, especially highly loaded and shock loaded units, remotely located units and extreme temperature environments
• Auxiliary gearboxes in wind turbines, such as gearmotors for pitch and yaw drives

Application consideration: while Mobil SHC Gear 320 WT is compatible with mineral oil-based products, it is recommended that systems are thoroughly cleaned out and flushed before switching to Mobil SHC Gear 320 WT to achieve the maximum performance benefits.

Specifications and Approvals

• AGMA 9005-F16
• DIN 51517-3:2018-09
• IEC 61400-4 :2012(E)
• Non-toxicity to aquatic organisms according to the GESAMP hazard evaluation procedure
• ISO L-CTPR (ISO 12925-1:2024)
• ISO L-CKSMP (ISO 12925-1:2024)
• ISO L-CKD (ISO 12925-1:2024)

Features

• Independently certified to not contribute to oil related effects of White Etching Cracks
  (WEC)
• Outstanding foam protection, even after fine filtration
• Excellent resistance to degradation at high temperatures
• Formulated with proprietary step-out low sulfur Extreme Pressure technology delivering low deposit performance, sludge formation control, and equipment component compatibility
• Outstanding cleanliness level, better than -/14/11 (ISO 4407)
• Multiple equipment approvals and excellent compatibility with mineral-based gear oils

Technical specifications

Manufacturer number	151470
Grade	ISO VG 320
Density @ 15.6 C, g/ml, ASTM D4052	0.851
Emulsion, Time to 37 mL Water, 82 C, min, ASTM D1401	15
Flash Point, Cleveland Open Cup, °C, ASTM D92	256
Foam, Sequence II, Tendency, ml, ASTM D892	0
Foam, Sequence II, Stability, ml, ASTM D892	0
FZG Micropitting, Fail Stage, Rating, FVA 54	>10
FZG Micropitting, GFT-Class, Rating, FVA 54	High
FZG Scuffing, A/8.3/90, Fail Stage, Rating, DIN 51354	14+
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445	44.7
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445	343
Pour Point, °C, ASTM D5950	-45
Rust Characteristics, Procedure B, ASTM D665	PASS
Viscosity Index, ASTM D2270	189
ISO 4406 Cleanliness, class, ISO 4407	-/14/11

Product information

Mobil SHC Gear 320 WT is specifically engineered for wind turbine gearboxes facing tough environmental and operational demands. Its synthetic formulation delivers superior resistance to oil degradation, water contamination, micropitting, and corrosion. The fluid’s high viscosity index ensures reliable protection over a broad temperature range, while its load-carrying capability and wear resistance reduce gearbox stress. Mobil SHC Gear 320 WT is certified by DNV-GL and approved by major OEMs, offering long-term protection and lower total cost of ownership for wind energy operators.
Mobil SHC Gear 320-WT, SHC Gear 320WT