HO103  is a mineral-based hydraulic oil that is fully compatible with all mineral  hydraulic oils currently recommended by Volvo Construction Equipment and system  flushing is not required. (HO103 is not compatible with Volvo Hydraulic Oil  98610 Biodegradable).
Extensively tested, with more than 10,000  hours of testing in Volvo machines, HO103 is proven to optimize fuel efficiency  and machine performance. 
 “Volvo designed and built the machine, so we  understand better than anyone what is required to keep it in top condition and  operating at its best. HO103 provides the ultimate in uptime and component  protection and guarantees your machine will be performing to its full potential,”  said Donald McCarthy, oil and lubricant engineer at Volvo Construction  Equipment. “Delivering consistent performance, HO103 is engineered to resist  degradation, and will retain like-new properties over the full-service  interval. It reduces friction and wear, keeps components clean by preventing  the buildup of sludge, it prolongs component life and contributes to lower fuel  consumption.”
For crawler excavators, HO103 provides a 50  percent longer oil service interval, saving customers both time and money,  along with a number of positive environmental benefits. Once introduced, both  old and new crawler excavators can benefit from a 3,000-hour interval with  HO103. As a practical example, if a customer operating an EC300E was to use  HO103, over the course of 6,000 hours they will have removed an entire  hydraulic service interval and reduced oil consumption by 207L.
Volvo Hydraulic Oil 98611 HO103 is available in a wide  variety of viscosities. Viscosity grades differ per market but include ISO  VG32, ISO VG46 and ISO VG68. Customers should speak to their local Volvo dealer  to find out more.