Following the recent launch of our new ULTRA-HYD brochure, we’re highlighting the range’s leading product – ULTRA-HYD HVI LL, our most advanced high-performance hydraulic fluid to date.
Engineered with premium Group II base oils and next-generation additive technology, ULTRA-HYD HVI LL is a long-life, high-viscosity-index fluid specifically formulated to meet the increasingly tough demands placed on modern hydraulic systems. Whether in heavy plant or industrial machinery, today’s equipment is under pressure to run harder, longer, and more efficiently – and ULTRA-HYD HVI LL rises to the challenge, with proven real-world results to back it up.
Case Studies Have Shown
Built to perform under fluctuating temperatures and frequent cold starts, ULTRA-HYD HVI LL delivers consistent viscosity and dependable performance thanks to its highly shear-stable formulation. The result is smoother operation, superior component protection, and significantly longer lubrication intervals – supported by a TOST life exceeding 5,000 hours. Ideal for plant operators and engineers aiming to reduce downtime, boost performance, and protect their systems over the long term.
ULTRA-HYD HVI LL is also the fluid of choice for businesses aiming to reduce their environmental impact. With measurable reductions in energy use and CO₂ output, it supports sustainability targets without compromising performance or reliability.
Features and Benefits
- Up to 8.5% increase in operational efficiency
- 2.7% lower fuel usage in working systems
- Lower operating temperatures = longer equipment life
- Excellent wear, oxidation, and corrosion protection
- ISO Cleanliness rating of 21/19/16 or better
- Broad OEM approvals, including Parker Denison, Bosch Rexroth, Eaton, Fives, and others
- Available in 32, 46, and 68 ISO Viscosity Grades
Expert Support from the Rock Oil Industrial Division
Choosing the correct fluid for your industrial application is only the beginning. Real-world savings also depend on correct change-over procedures, filtration sizing, and condition monitoring. That’s where the Rock Oil Industrial Division adds value – a dedicated team of experts that work closely with OEMs, plant managers, and maintenance engineers to:
- Plan cost-effective migrations from legacy fluids
- Optimise drain intervals and filtration strategies
- Verify energy savings through on-site analysis
- Train teams and operators in best-practice fluid handling
With the Rock Oil Industrial Division, you’ll gain a single, reliable point of contact for technical advice, sample analysis, and responsive troubleshooting – helping ensure ULTRA-HYD HVI LL delivers a strong return on investment from day one.
As efficiency becomes the defining metric for hydraulic systems, ULTRA-HYD HVI LL sets the standard. Contact the Rock Oil Industrial Division for order information, and expert advice.