Mobil SHC™ Gear Series

Name: Mobil SHC™ Gear Series
Brand: Mobil
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Mobil SHC™ Gear synthetic gear oils help reduce unplanned downtime and maintenance – a must for those difficult-to-access gearboxes.

Our Mobil SHC™ Gear synthetic gear oils protect industrial gearboxes and help extend oil life in some of the most extreme conditions. They are formulated for efficient lubrication of industrial enclosed gear drives operating under extreme conditions of load, speed and temperature.

Testing indicates these oils significantly reduce energy consumption in many gearboxes – up to 3.6 percent* versus conventional oil. These synthetic gear oils also:

Offer excellent compatibility with gearbox metallurgy
Protect against scuffing and micropitting
Offer excellent rust and corrosion protection
Work well in fine filtration, even when wet

Long drain intervals help minimize downtime
Exceptional protection, even in extreme conditions, helps limit maintenance
Minimize maintenance through exceptional protection, even in extreme conditions

Add up your savings

Use our calculator tools to estimate your operation’s potential savings for upgrading your conventional lubricant to Mobil SHC™ oil or grease. Then contact an ExxonMobil engineer or authorized dealer to further refine your estimate.

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Product series information

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Technical resources

Mobil SHC™Gear 320 synthetic gear oil helps cement producer reduce power consumption | Mobil™
Mobil SHC™ Gear 320 synthetic gear oil helped Guangdong GITIC Green Island Company reduce operating temperatures and prevent unscheduled downtime on its conveyor gearbox.

Success stories, PDF
Mobil SHC™ Gear 150 Helps Paper Mill Reduce Equipment Downtime | Mobil™
A Georgia pulp and paper mill switched to Mobil SHC™ Gear 150 synthetic gear oil for its primary gearbox, and saw significantly improved production availability and reduced maintenance costs. Learn more.

Success stories, PDF
Mobil SHC Gear 320 improves energy efficiency | Mobil™
With Mobil SHC Gear 320 synthetic gear oil, a Turkish ceramic mill improved gearbox efficiency by 2.4 percent.

Success stories, PDF
Synthetic gear oil prevents gearbox damage | Mobil™
After experiencing roller bearing vibration damage, a German tissue paper manufacturer switched to Mobil SHC Gear 220 to provide sufficient lubricant protection.

Success stories, PDF

All Mobil SHC™ Gear Series resources

Features and Benefits

Mobil SHC Gear Series lubricants are part of the Mobil SHC line of products that are recognized and appreciated around the world for innovation and outstanding performance. These synthetic products, pioneered by our research scientists, symbolize the continuing commitment to using advanced technology to provide lubricants with excellent balanced performance. A key factor in the development of Mobil SHC Gear Series was the close contacts between our scientists and application specialists with key OEMs to ensure that our product offering would provide exceptional performance with rapidly evolving industrial gear designs and operation. Not least among the benefits shown in work with OEMs is the ability to resist micropitting wear which can occur with some highly loaded, case-hardened gearing applications. This cooperative work also demonstrated the all-round balanced performance benefits for the new Mobil SHC Gear technology, including a wide temperature range of application.

To address the issue of micropitting wear, our product formulation scientists designed a proprietary combination of additives which would resist traditional gear wear mechanisms as well as protecting against micropitting. Mobil SHC Gear products provide exceptional oil life and deposit control and resistance to thermal/oxidative and chemical degradation, as well as the balance of the performance features. The patent-pending combination of synthetic base oils also provides exceptional low temperature fluidity characteristics unmatched by conventional mineral oil gear lubricants and is a key benefit for remote, low ambient temperature applications. The Mobil SHC Gear Series lubricants offer the following potential benefits:

Features	Advantages and Potential Benefits
Superb protection from micropitting fatigue wear as well as high resistance to traditional scuffing wear	Helps extend gear and bearing life in enclosed gear drives operating under extreme conditions of load, speed and temperature Helps reduce unplanned downtime; less maintenance - especially critical for difficult to access gearboxes.
Excellent resistance to degradation at high temperatures	Helps extend oil life and drain intervals and reduce oil consumption, which can lower maintenance costs
Low traction	Helps reduce energy consumption and lower operating temperatures
High viscosity index equating to reduced viscosity change with temperature	Ability to operate at both high and low temperatures: especially critical in remote applications with no oil cooling or heating
Excellent resistance to rust and corrosion and very good demulsibility	Helps to ensure smooth, trouble-free operation at high temperatures or in applications subject to water contamination Excellent compatibility with a variety of soft metals
Excellent shear stability	Helps extend gear and bearing life
Resistence to filter plugging, even in the presence of water	Fewer filter changes; which can help reduce maintenance costs
Excellent seal compatibility	Less contamination and lower potential for oil leakage
Excellent compatibility with common gearbox materials and with mineral-based gear oils	Easy changeover from many mineral products

Applications

Application Considerations: While the Mobil SHC Gear Series are compatible with mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of the Mobil SHC Gear Series, it should be thoroughly cleaned out and flushed to achieve the maximum performance benefits.

Mobil SHC Gear Series exceptional performance, synthetic industrial gear oils are designed to provide optimum equipment protection and oil life even under extreme conditions. They are especially formulated to resist micropitting of modern, case hardened gearing and can operate in both high and low temperature environments. Typical applications include:

• Modern, highly loaded gearboxes used in the paper, steel, oil, textile, lumber and cement industries where gear protection and optimum oil life are required.

• Plastic extruder gearboxes

Mobil SHC Gear Series ISO VG 150, 220, 320, 460 and 680 are approved under General Electric's (GE) gear oil specification D50E35 for use in off-highway vehicle motorized wheel gearbox applications.

Specifications and Approvals

This product has the following approvals:	150	220	320	460	680	1000
Flender	X	X	X	X	X
GE OHV D50E35A/B/C/D/E	X	X	X	X	X
SEW-Eurodrive	X	X	X	X	X	X
ZF TE-ML 04H	X

This product meets or exceeds the requirements of:	150	220	320	460	680	1000
AGMA 9005-F16	X	X	X	X	X
DIN 51517-3:2018-09	X	X	X	X	X	X
ISO L-CKD (ISO 12925-1:2024)	X	X	X	X	X	X
ISO L-CTPR (ISO 12925-1:2024)	X	X

Properties and Specifications

Property	150	220	320	460	680	1000
Grade	ISO 150	ISO 220	ISO 320	ISO 460	ISO 680	ISO 1000
Brookfield Viscosity @ -17.8 C, mPa.s, ASTM D2983					41000	96000
Brookfield Viscosity @ -29 C, mPa.s, ASTM D2983	18200	35000	57000	107000	156000	500000
Copper Strip Corrosion, 24 h, 121 C, Rating, ASTM D130	1B	1B	1B	1B	1B	1B
Demulsibility, Total Free Water, for EP Oils, ml, ASTM D2711	88	87	85	84	87	82
Density @ 15.6 C, g/ml, ASTM D4052	0.86	0.86	0.86	0.86	0.86	0.87
Emulsion, Time to 37 mL Water, 82 C, min, ASTM D1401	10	10	10	15	25	40
FZG Micropitting, Fail Stage, Rating, FVA 54	10	10	10	10	10	10
FZG Micropitting, GFT-Class, Rating, FVA 54	High	High	High	High	High	High
FZG Scuffing, Fail Load Stage, A/16.6/90, ISO 14635-1(mod)		>14	>14	>14	>14	>14
FZG Scuffing, Fail Load Stage, A/8.3/90, ISO 14635-1	>14
FZG Scuffing, Fail Load Stage, A/8.3/90, ISO 14635-1(mod)		14	14	14	14	14
Flash Point, Cleveland Open Cup, °C, ASTM D92	233	233	233	234	234	234
Foam, Sequence II, Stability, ml, ASTM D892	0	0	0	0	0	0
Foam, Sequence II, Tendency, ml, ASTM D892	0	0	0	0	0	0
Four-Ball Extreme Pressure Test, Load Wear Index, kgf, ASTM D2783	51	51	51	51	51	51
Four-Ball Extreme Pressure Test, Weld Load, kgf, ASTM D2783	200	200	200	200	200	200
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445	22.2	30.4	40.6	54.1	75.5	99.4
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445	150	220	320	460	680	1000
Pour Point, °C, ASTM D5950	-54	-45	-48	-48	-42	-33
Rust Characteristics, Procedure B, ASTM D665	PASS	PASS	PASS	PASS	PASS	PASS
Total Acid Number, mgKOH/g, ASTM D664	0.9	0.9	0.9	0.9	0.9	0.9
Viscosity Index, ASTM D2270	176	180	181	184	192	192

Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx