Product Description

Mobil SHC Aware Gear Series are a range of high performance, anti-wear gear oils for use in marine applications and meet the U.S. Environmental Protection Agency (EPA) 2013 Vessel General Permit (VGP) guidelines for “environmentally acceptable lubricants”. They provide excellent wear protection for gears and bearings and safeguard equipment from rust and corrosion. They also possess outstanding oxidation properties, which help to extend oil life, and offer a wide operating temperature range and excellent low temperature start-up. Mobil SHC Aware Gear Series demonstrate excellent air release properties versus typical mineral gear oils, resulting in less air entrainment and protection from cavitation. Furthermore, their excellent seal compatibility helps to minimize leaks.

Features and Benefits

•  Meets US EPA 2013 Vessel General Permit requirements for environmentally acceptable lubricants

•  Outstanding load-carrying and anti-wear properties which protects system components against micropitting and scuffing and helps provide long equipment life

•  Shear stable high viscosity index help sustain component protection over a wide temperature

•  Excellent resistance to high temperatures degradation

•  Very good demulsibility and resistance to rust and corrosion


•  Marine controllable pitch propeller and thruster applications

•  Suitable for enclosed gear drives including steel-on-steel spur, helical and bevel designs

•  In systems where readily biodegradable and minimally toxic fluids may be required

•  Marine and mobile equipment operating in environmentally sensitive areas

Mobil SHC Aware Gear Series have the following Thruster builder approvals:


HHI Hyundai

KTE Nakashima Korea


Specifications and Approvals

This product meets or exceeds the following industry / Government requirements: 68 100 150
AGMA 9005-E02-EP X X X
ISO L-CKC (ISO 12925-1:1996) X X X
ISO L-CKD (ISO 12925-1:1996) X X X

Properties and Specifications

Property 68 100 150
Grade ISO 68 ISO 100 ISO 150
Acute Algae Toxicity, EC50, 72 h, mg/l, OECD 201 >1000 >1000 >1000
Acute Daphnia Toxicity, EC50/48h, mg/l, OECD 202 >1000 >1000 >1000
Acute Fish Toxicity, LC50/96h, mg/l, OECD 203 >1000 >1000 >1000
Air Release Time, 50 C, min, ASTM D3427 12
Air Release, 50 C, min, ASTM D3427 21 31
B-10 Oxidation Test, 80 h, 127 C, KV Increase @ 100 C, %, M 334 3 4 4
Bioaccumulation, Partition Coefficient, Log Pow, OECD 117 <3 <3 <3
Biodegradability after 28 days, %, OECD 301B 84
Density @ 15 C, kg/m3, DIN 51757 915.8 921.5 929.4
FE8 D7.5/80-80 Cage Wear, mg, DIN 51819-3 34 34
FZG Micropitting, Load Stage GFT, Rating, FVA No. 54 10 10 10
FZG Scuffing, Fail Load Stage, A/8.3/90, ISO 14635-1 14 14 14
Flash Point, Cleveland Open Cup, °C, ASTM D92 273 287 281
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 10.7 13.3 17.8
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 68 100 150
Pour Point, °C, ASTM D97 -36 -36 -30
Rust Characteristics, Procedure B, ASTM D665 PASS
Rust Characteristics, Procedure B, 24 h, ASTM D665 PASS
Rust Test, Synthetic Sea Water, 24 h @ 60 C, ASTM D665-PROB PASS
Shake-Flask Test, CO2 Evolution (Mod. Sturm), %, OECD 301B 84 84
Viscosity Index, ASTM D2270 141 137 135

Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @


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