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PRODUCT DATA
KOSTGard Synfleet Gear Series
KOSTGard Synfleet Gear Series is specially engineered for extended drain intervals and increased gear life. They are heavy duty extreme pressure gear lubricants. They are formulated with synthetic base oils which carry excellent an excellent viscosity index and superior low temperature properties. KOSTGard Synfleet Gear Series contain extreme pressure additives, as well as, oxidation and corrosion inhibitors providing high and low temperature gear and bearing protection under various load conditions. The high and low temperature protection is a significant improvement over conventional SAE 80W-90 and 85W-140 hypoid gear lubricants.
KOSTGard Synfleet Gear Series are recommended where applications are exposed to heat and wear problems. These applications include manual transmissions where EP type lubricants are recommended. They are also suitable differential, including limited slip, transfer cases for heavy equipment, trucks, industrial gear drives, and tractors. Other potential uses include light duty trucks automotive, and farm equipment. All the properties of the KOSTGard Synfleet Gear Series translate into reduced down times and reduced maintenance cost. |
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| Features |
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| • Superior to conventional lubes |
Lower operation temperature due to less friction, and better temperature/viscosity relationship |
• Fuel Efficient |
Less friction translates to fuel savings |
| • Corrosion Protection |
Safe for bronze, copper, and steel components |
• Increased Component Life |
Superior part protection and extended drain intervals |
| • Superior Low Temperature Performance |
Cold weather protection and operator acceptance |
• Reduced maintenance and part cost |
Trucks on the road and not in the shop |
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| Approvals |
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| • API GL-5, MT-1 |
• MIL-PRF-2105E, MIL-L-2105 E |
| • Dana SHAES-256, SHAES-234 |
• International TMS 6816 |
| • Mack GO-J (both), |
• Arvin Meritor O-76-N, O-76-E (75W-90) |
| • GO-J Plus (75W-90 only) |
• Arvin Meritor O-80, O-76-B (80W-140) |
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Low Temperature Viscosity Comparison |
KOSTGard Synfleet Gear 75W-90 |
Conventional EP 80W-90 |
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| Brookfield Viscosity |
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@ -0°F (-18°C) |
7,125 |
18,350 |
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@ -20°F (-29°C) |
24,500 |
139,500 |
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@ -40°F (-40°C) |
125,000 |
2,000,000 |
| Kinematic Viscosity, cSt |
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@ 210°F (99°C) |
16.7 |
14.4 |
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@ 250°F (121°C) |
9.9 |
8.9 |
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| Typical Properties |
SAE 75W-90 |
SAE 80W-140 |
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| Specific Gravity @ 60°F |
0.891 |
0.902 |
| Viscosity @ 40°C, cSt |
122 |
284 |
| Viscosity @ 100°C, cSt |
16.6 |
30.6 |
| Viscosity @ -40°C, cP |
125,000 |
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| Viscosity @ -26°C, cP |
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75,000 |
| Viscosity Index |
147 |
146 |
| Flash Pt, °C (°F) |
204 (400) |
200 (395) |
| Pour Pt. °C (°F) |
<-45(-48) |
<-40 (-40) |
| Channel Pt. °C (°F) |
<-45(-48) |
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| FZG, stage, pass |
12 |
12 |
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| Product #: |
6250 |
6251 |
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© 2007-2008 Kost USA, INC • All Rights Reserved • Terms and Conditions
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