FCC

Built to Outlast: The Real Measure of Lubrication Performance

2026-07-30

Ask most fleet owners what makes a good lubricant, and the answer usually starts with price. It is the wrong starting point. The operators seeing the strongest returns on India's heavy equipment fleets are not the ones chasing the lowest cost per litre. They are the ones asking a different question altogether: how much longer will this actually make my equipment last?

India has the largest number of hydraulic excavators of any country in the world, 4,231 units as of end 2024, ahead of China at 2,592 (Source: GlobalData, Global Surface Mining Equipment: Populations and Forecasts to 2030). These machines operate under some of the most demanding conditions imaginable: heavy loads, abrasive environments, and continuous operation cycles that leave little room for unplanned downtime. On equipment like this, two wear points tend to define how long a machine actually stays productive: the bush pins that hold the arm and boom together, and the hydraulic system that powers them.

Where Equipment Life Is Won or Lost: The Bush Pin

Bush-pin lubrication is one of the most overlooked determinants of equipment longevity. When the grease is inadequate, the consequences compound quickly:

Frequent bush-pin failures taking machines offline
Short re-greasing intervals requiring technician intervention every 8 hours or less
Elevated grease consumption and accelerated component wear
Reduced equipment availability over the working life of the machine

Mobilgrease™ XHP 462 Moly, part of the Mobilgrease XHP™ 460 Series, is engineered specifically to extend the working life of these components. Three properties define it: superb resistance to water washout and spray-off, a highly adhesive and cohesive structure that keeps grease in place and extends re-greasing intervals, and excellent rust and corrosion resistance that protects components in hostile environments over the long term.

The proof is in how long the equipment actually keeps running. In one instance, a leading mining corporation operating iron ore mines in Odisha was facing frequent excavator maintenance driven by a market-general grease requiring re-greasing every 8 hours. Following a switch to Mobilgrease™ XHP 462 Moly, the greasing interval increased by 3 times, and maintenance costs reduced by 3 times due to lower grease consumption.*

In another instance, a granite handling operation in Karnataka was experiencing frequent bush-pin failures across its excavator fleet. After switching to Mobilgrease™ XHP 462 Moly, with an optimised re-greasing interval of up to 48 hours, the operation recorded zero bush-pin failures and minimal wear across all bush pins over more than six months of continuous operation.*

Zero failures and minimal wear are not cost metrics. They are equipment life metrics, and over the working life of a machine, they matter more than any single invoice ever will.

Where Equipment Life Is Won or Lost: The Hydraulic System

The second wear point that defines how long heavy equipment stays productive is the hydraulic system itself. A typical hydraulic pump is only 80 to 90 per cent efficient to begin with, and that efficiency gap widens as system pressure rises, translating directly into accelerated wear on hydraulic components over time.

Mobil DTE 10 Excel™ Series has demonstrated exceptional oil life in laboratory and in-service field demonstrations, outlasting standard hydraulic fluids by up to three times, while maintaining outstanding system cleanliness and component protection. It has also demonstrated the value of its high viscosity index and outstanding shear stability, operating successfully in temperatures as low as -34°C.

Seal life is the other half of this equation, and it is often the one fleet owners overlook entirely. For equipment managing older and newer high-pressure systems side by side, Mobil DTE 20™ Series brings carefully balanced seal compatibility properties, helping reduce leakage and contaminant ingress, extending component life and reducing maintenance costs across the fleet.

Longer oil life. Longer seal life. Fewer components replaced over the working life of the machine. This is what equipment longevity looks like in practice: not a single number on a quarterly report, but a machine that keeps running years after a cheaper alternative would have needed its first major overhaul.

The Real Measure of Value

Cost per litre is easy to compare. Equipment life is harder to measure, but it is the number that actually determines fleet economics over time. Across both the bush pins and the hydraulic systems that define how long heavy equipment stays productive, the data from Indian operations tells a consistent story: extending component life, not just lowering unit cost, is where the real value of a lubrication strategy shows up.

For fleet owners evaluating their next lubrication decision, the better question is not what this will cost today. It is how much longer it will make the equipment last.

Fill with Mobil™. Fill with Confidence.

For more information, visit www.mobil.in/business

*This Proof of Performance is based on the experience of individual customers. Actual results may vary depending on the type of equipment used, its maintenance, operating conditions, environmental factors, and any the lubricants previously used, among other variables.

Exxon Mobil Corporation has numerous affiliates, many with names that include ExxonMobil, Exxon, Esso, and Mobil. For convenience and simplicity, those terms, and references to "corporation," "company," "ExxonMobil," "EM," and other similar terms are used for convenience and may refer to one or more specific affiliates or affiliate groups.

For more information, visit www.mobil.in/business

ABOUT THE AUTHOR:

By Abhinav Jogi is General Manager - Commercial Marketing, South Asia Pacific, ExxonMobil Lubricants.