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ROYCO® 770 Super Clean Synthetic Hydraulic Fluid - MIL-PRF-46170D - 5 Gallon Pail
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ROYCO® 770 Super Clean Synthetic Hydraulic Fluid - MIL-PRF-46170D - 5 Gallon Pail

Part#: 770-5GL
Our Price (Each): $281.85
   (Sold in increments of 36)
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$15.00Add the Manufacturer's Certification:
Country of Origin: USA
International Orders
Material Safety Information
Material Safety Data Sheet: MSDS1
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1 - 3$281.85 ea.
4+$268.10 ea.
ROYCO 770 is a synthetic hydraulic fluid developed to meet the severe duty demands of today's military and industrial equipment. Rust inhibitors are utilized to provide protection to ferrous components and modern additive technology is employed for oxidative stability, corrosion inhibition, and antiwear protection. ROYCO 770 is intended for use in severe duty applications requiring extremes in environment and/or extended time periods between operation such as tank and howitzer recoil mechanisms and hydraulic systems, snow removal, earth moving and heavy duty construction equipment, and industrial robotic hydraulic systems. ROYCO 770 is especially recommended in applications where rust protection together with a high flash point can afford an extra margin of safety and fire protection.
Product Details
UOM : Each
Pack Quantity : 36
Size : 5 Gallon
Color Family : Red
Shipping Weight : 50 pounds
Manufacturer P/N : Royco 770
Schedule B Code : 2710.19.3750
Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
  • Synthetic hydrocarbon base fluid (PAO)
  • Superior corrosion and anti-rust inhibition
  • Superior performance to older generation naphthenic/mineral oil based fluids
  • Compatibility with components, including seals and hoses used in systems designed for naphthenic based fluids
  • Miscible in all proportions with other PAO based as well as with naphthenic oil based fluids
  • Excellent for protection of ferrous components in applications or storage
Kinematic Viscosity, cSt
@ 100oC
@ 40oC 15.5
@ -40oC
Low Temperature Stability, -40oC, 72 hoursFTM 3458Pass
Flash Point, oC (oF)ASTM D92223 (433)
Fire Point, oC (oF)ASTM D92249 (480)
Autoignition Temperature, oC (oF)ASTM E659375 (707)
Pour Point, oC (oF)ASTM D97-69 (-91)
Acid Number, mq KOH/gASTM D6640.12
Galvanic Corrosion, 10 dayASTM D6547pass
Density pounds per gallon, (15.6oC)ASTM D12987.216
Gravimetric Filtration, mg
Filtration Time, minutes
ASTM D48980.4
Water Content, wt %ASTM D63040.02
Water Sensitivity, %MIL-PRF-4617099.8
Foam Characteristics, Initial (mL) / Final (mL)
Sequence I
Sequence II
Sequence III
Evaporation, 205oC, 6.5 hours, % lossFTM 35010.5
Lubricity, 4-Ball Wear, scar diameter, mm
15 Kg, 1200 RPM, 1 hour, 75oC
40 Kg, 1200 RPM, 1 hour, 75oC
ASTM D4172
Humidity Cabinet, 100 hoursASTM D1748pass
Rubber Swell “L", 70oC, 168 hours, %FTM 360318.8
Solid Particle Contamination, auto counter
Filtration time, min
5-15 mu
16-25 mu
26-50 mu
51-100 mu
100+ mu
FTM 3009
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