Gear Oils

Opet Fullgear Gear Oils are formulated to provide effective protection and optimum lubrication for vehicle transmissions, differentials, gear systems and gearboxes under all operating and driving conditions.

Thanks to their high-quality base oils and advanced additive technology, they deliver outstanding performance even under severe operating conditions while providing excellent resistance against oxidation.

Recommended Opet Gear Oils for Your Vehicle

FULLGEAR FRM MT-D 75W-90 is a synthetic automotive gear oil formulated with premium synthetic base oils and modern additive technology. It has been developed for use in hypoid gears, planetary axle hubs and transfer gearboxes.

Performance Levels: API GL-5, MAN 342 TYPE S1, SCANIA STO 1.0

FULLGEAR FRM MT 75W-90 is a synthetic automotive gear oil developed with next-generation polyalphaolefin (PAO) base oils and advanced additive technology, particularly for Mercedes-Benz vehicles. Its specially formulated composition improves transmission efficiency.

Performance Levels: API GL-4, DBL 6634.50, MB-APPROVAL 235.11, VW TL 52157

FFULLGEAR FRM 75W-80 is an automotive gear oil developed with synthetic base oil technology and advanced additives for synchronized and non-synchronized heavy-duty manual transmissions. Its optimized formulation enables extended oil drain intervals compared with conventional gear oils.

Performance Levels: API GL-4, MAN 341 TYPE Z4, VOLVO 97307, ZF TE-ML 01L/02L/16K

FULLGEAR FRM 75W-90 is a synthetic automotive gear oil developed for use in heavily loaded manual transmissions and hypoid gears of commercial vehicles. Its advanced formulation ensures smooth and reliable operation in synchronized manual transmissions.

Performance Levels: API GL-5/GL-4, ZF TE-ML 21A/19C/17B/16F/12N/12L/05A

FULLGEAR FRM PLUS 75W-90 is a synthetic automotive gear oil formulated with next-generation PAO base oils and advanced additive technology for transmissions and differentials operating under severe-duty conditions.

Performance Levels: API GL-4 / GL-5 / MT-1, ARVIN MERITOR 0-76-N, DAF, IVECO, MAN 341 TYPE Z2, MAN 342 TYPE S1, MACK GO-J, MB-APPROVAL 235.8, DETROIT DIESEL DFS93K219.01, MIL-PRF-2105E, SCANIA STO 1:0, VOLVO 97312, ZF TE-ML 02B/05A/07A/08/12L/12B/12N/16F/17B/19C/21B

Approvals: SAE J2360

FULLGEAR LS Series consists of automotive gear oils formulated for limited-slip differentials using premium base oils and advanced additive technology.

Performance Levels: API GL-5, ARVIN MERITOR AXLES, DAF, MAN 342 TYPE M1, MB-APPROVAL 235.0, MIL-L-2105D, VOITH 3.339/3.325, VOLVO 97316/97310, ZF TE-ML 21C/21A/19B/17B/16E/16D/16C/16B/12C/07A/05C

FULLGEAR HYP MT 80W-90 is a high-performance automotive gear oil developed for hypoid drive axles operating under heavy-duty conditions. Its advanced formulation provides effective protection against wear even under severe operating environments.

Performance Levels: API GL-5/MT-1, ARVIN MERITOR 0-76-D, DETROIT DIESEL 93K219.02, JOHN DEERE JDM J11E, MAN 341 TYPE GA1, MAN 342 TYPE M3, MB-APPROVAL 235.20, MACK GO-J, SAE J2360, SCANIA STO 1:0, ZF TE-ML 05A/07A/12L/12M/16B/17B/19B/21A

FULLGEAR HYP EP MT 90 is a premium gear oil developed for hypoid gear systems, axles and final drives operating under severe-duty conditions. Its specialized formulation ensures reliable protection against wear and heavy loads.

Performance Levels: API GL-5, DAF, MAN 342 TYPE M1, MIL-L-2105D, MB-APPROVAL 235.0, VOITH 3.339/3.325, VOLVO 97316/97310, ZF TE-ML 21A/19B/17B/16C

FULLGEAR HYP EP Series consists of high-performance automotive gear oils developed for hypoid gear systems, differentials and axles operating under demanding conditions. Their advanced formulations provide excellent wear protection and durability.

Performance Levels:

FULLGEAR HYP 80W-90: API GL-5, MAN 342 M2, MIL-L-2105D, ZF TE-ML 17B, 19B

FULLGEAR HYP 85W-140: API GL-5, MAN 342 M2, MIL-L-2105D, ZF TE-ML 05A/07A/12E/16B/16C/16D/21A

FULLGEAR HYP EP 7W-80: API GL-4 PLUS, API GL-5, PSA B71 2330

FULLGEAR HYP EP 75W-90: API GL-5, MAN 342 M-2, ZF TE-ML 05A/07A/12E/16B/16C/16D/17B/19B/21B

FULLGEAR HYP PLUS 85W-140 is specially developed for heavy-duty vehicle differentials and axles requiring API GL-5/MT-1 and SAE J2360 Performance Levels. Its robust formulation provides superior wear protection under high-speed and high-load operating conditions.

Performance Levels: API GL-5/MT-1, MACK GO-J, NATO O-226, SCANIA STO 1:0

Approvals: SAE J2360

FULLGEAR EP MT 80W is a high-performance automotive gear oil designed for transmissions, axles and final drives operating under severe-duty conditions. It provides effective protection against wear caused by demanding operating environments.

Performance Levels: API GL-4, MAN 341 TYPE E1, MB-APPROVAL 235.1, ZF TE-ML 19C/19A/17A/16A/08/06L

FULLGEAR CT Series consists of high-performance gear oils developed for automatic and powershift transmissions, final drives, wet brake systems and clutch systems used in construction and off-highway equipment. The series is specially formulated to meet the requirements of leading equipment manufacturers, including Caterpillar.

Performance Levels:

FULLGEAR CT 10W: ALLISON C-4, CAT TO-4, KOMATSU KES 07.868.1, ZF TE-ML 03C

FULLGEAR CT 30: ALLISON C-4, CAT TO-4, KOMATSU KES 07.868.1, ZF TE-ML 03C

FULLGEAR CT 50: ALLISON C-4, CAT TO-4, KOMATSU KES 07.868.1, ZF TE-ML 03C

FULLGEAR FD 10W-30 is a multi-purpose transmission oil specially developed for manual and automatic transmissions, axles, wet brake systems, final drives and PTO systems used in construction equipment. Its formulation combining premium base oils and friction-modifier additives delivers excellent power transmission performance.

Performance Levels: ALLISON C-4, API GL-4, CAT TO-2, CNH MAT 3525, VCE WB 101, ZF TE-ML 21F/17E/06K/05F/03E

FULLGEAR FD 20W-40 is formulated with advanced additive technology and premium base oils for limited-slip differentials, final drives and wet-brake axles used in construction and industrial equipment.

Performance Levels: API GL-4, ZF TE-ML 03E/05F/06K/17E/21F

FULLGEAR FD 80W-140 is a high-performance gear oil developed for limited-slip differentials, final drives and wet-brake axles used in tractors and construction equipment. Its Extreme Pressure (EP) additives provide effective protection against wear under the most demanding operating conditions.

Performance Levels: API GL-4, ZF TE-ML 21K/06K/05F

FULLGEAR EP Series consists of high-performance automotive gear oils designed for transmissions, differentials and axles operating under medium and heavy-duty conditions. Their advanced formulations provide reliable wear protection and long service life.

Performance Levels:

FULLGEAR EP 80W-90: API GL-4

FFULLGEAR EP 85W-140: API GL-4

FULLGEAR Series consists of mineral-based automotive gear oils developed for gears operating under normal service conditions. Since they do not contain Extreme Pressure (EP) additives, they are suitable for gear units not subjected to heavy loads, as well as synchronized transmissions and differentials.

Performance Levels:

FULLGEAR 90: API GL-1

FULLGEAR 140: API GL-1