--- title: "Handbooks - Mobipol" description: "Guides, articles and case studies from Mobipol's lubrication experts: choosing engine, gear and industrial oils and lowering lubrication costs." url: "https://mobipol.pl/en/guides/" canonical: "https://mobipol.pl/en/guides/" markdown: "https://mobipol.pl/en/guides/index.md" lang: en alternate: pl: "https://mobipol.pl/poradniki/" --- # Handbooks ## Expert Knowledge in a Nutshell Mobipol guides and articles on oils and greases: how to choose engine, gear or truck oil, how to calculate lubrication costs and what is changing in the industry. For drivers, workshops and industry. ### Case Study: Application of Mobil Pegasus™ 605 Ultra 40 Gas Engine Oil Extended Oil Replacement Interval by 75%. - Handbook - Handbook ## Latest Articles ## Pages in this section - [A Century of Lubrication Development: How Truck Engine Oil Evolved According to Mobil Engineers](https://mobipol.pl/en/guides/a-century-of-lubrication-development/index.md): From Rudolf Diesel’s compression-ignition engine to modern trucks, this article traces how higher loads and temperatures changed heavy-duty engine oil. - [Alternative Fuels: How Do They Affect Lubrication in Heavy-Duty Vehicle Engines?](https://mobipol.pl/en/guides/alternative-fuels-and-truck-engine-lubrication/index.md): Alternative fuels are gaining ground as emissions goals evolve. Learn how fuel choices can affect lubrication in heavy-duty vehicle engines. - [Buying Oils from Abroad? Be Aware of Obligations and Potential Penalties – Check What You Need to Know Before Choosing a Supplier](https://mobipol.pl/en/guides/buying-oils-from-abroad-obligations-and-penalties/index.md): Importing lubricating oils can bring legal and financial obligations. Learn what buyers should check before choosing a supplier abroad. - [Case Study: Application of Mobil Pegasus™ 605 Ultra 40 Gas Engine Oil Extended Oil Replacement Interval by 75%.](https://mobipol.pl/en/guides/case-study-mobil-pegasus-605-ultra-40-gas-engine-oil/index.md): A case study shows how Südzucker Polska and PWiK Legnica extended oil-change intervals by 75% using Mobil Pegasus 605 Ultra 40 gas-engine oil. - [Choosing Oil Based on TBN Number. It’s Not That Obvious.](https://mobipol.pl/en/guides/choosing-oil-based-on-tbn-number-its-not-that-obvious/index.md): TBN indicates an engine oil’s reserve alkalinity, but the article explains why the value should not be treated as the only measure of oil performance. - [Cracks in Wind Turbine Gearboxes: Engineers Found a Solution for Expensive Repairs](https://mobipol.pl/en/guides/cracks-in-wind-turbine-gearboxes/index.md): The article presents a Mobil-engineer solution using lubricant formulations to reduce the risk of damage in wind-turbine gearboxes. - [Engine Oils – Different Types and Purposes](https://mobipol.pl/en/guides/engine-oils-different-types-and-purposes/index.md): Learn how engine oil protects machinery, how different oils serve different purposes and why the right choice affects engine service life. - [The Future of Car Workshops – New Technologies at the Forefront](https://mobipol.pl/en/guides/future-of-car-workshops-new-technologies-at-the-forefront/index.md): Explore how automation, augmented reality and artificial intelligence are changing car-workshop operations and customer service. - [How to Choose Engine Oil](https://mobipol.pl/en/guides/how-to-choose-the-right-engine-oil-for-your-car/index.md): Learn why there is no universal engine oil and how viscosity classes and oil composition vary between vehicle engines. - [How to Effectively Promote Your Workshop on Social Media?](https://mobipol.pl/en/guides/how-to-effectively-promote-your-workshop-on-social-media/index.md): Practical ideas for car workshops building a social-media presence to help potential customers find their services online. - [Which oil for my Mercedes-Benz truck?](https://mobipol.pl/en/guides/mercedes-benz-truck-oil/index.md): The guide discusses Mobil Delvac oils for Mercedes-Benz trucks and how oil selection relates to Mercedes-Benz specifications. - [Mobil 1 Study: Polish drivers choose workshops based on recommendations](https://mobipol.pl/en/guides/mobil-1-study-how-drivers-choose-a-workshop/index.md): A Mobil 1 study of 4,000 drivers in four European countries found that repair time and recommendations influence workshop choice. - [Mobil Boxx will surprise even an experienced mechanic](https://mobipol.pl/en/guides/mobil-boxx-will-surprise-even-an-experienced-mechanic/index.md): Olgum, an oil and tyre service in Kalisz, is part of the Mobil Boxx workshop network and uses engine oil in a 20-litre bag-in-box pack. - [Mobil Delvac – three new categories of engine oils now available in Poland](https://mobipol.pl/en/guides/mobil-delvac-three-new-engine-oil-categories/index.md): Mobil Delvac introduced the Ultra, Modern and Legend categories in Poland, aligning product names with the needs of different customer groups. - [Comprehensive Mobil Protection for Heavy-Duty and Delivery Vehicles](https://mobipol.pl/en/guides/mobil-protection-for-trucks-and-delivery-vehicles/index.md): Mobil products for heavy-duty and delivery vehicles cover drive-system protection from the engine through to the rear axle. - [More and More Vans in Independent Workshops](https://mobipol.pl/en/guides/more-and-more-vans-in-independent-workshops/index.md): A survey found 59% of independent workshops see a growing share of delivery vehicles among those they service. - [MythBusters in the Mobil 1™ Edition](https://mobipol.pl/en/guides/mythbusters-in-the-mobil1-edition/index.md): ExxonMobil created a Mobil 1 edition of MythBusters to examine automotive myths using scientific methods, echoing the Discovery programme’s format. - [Which Oil for My MAN Truck?](https://mobipol.pl/en/guides/oil-for-man-truck/index.md): The guide reviews Mobil Delvac synthetic oils for MAN trucks and the relevant MAN specifications. - [Which Oil for My Scania Truck?](https://mobipol.pl/en/guides/oil-for-scania-truck/index.md): The guide discusses Mobil Delvac synthetic oils for Scania trucks, including the Scania LDF and Low Ash specifications. - [Which Oil for My Volvo Truck?](https://mobipol.pl/en/guides/oil-for-volvo-truck/index.md): The guide reviews Mobil Delvac synthetic oils for Volvo trucks and buses and the requirements to consider when selecting an oil. - [Oil Service for Hybrids: What to Pay Attention to and What Are the Advantages of Dedicated Oils?](https://mobipol.pl/en/guides/oil-service-for-hybrid-cars/index.md): As hybrid cars appear more often in workshops, this guide covers oil-service considerations and dedicated oils for hybrid vehicles. - [Energy Savings and Longer Lubrication Intervals in the Paper Industry by up to 200%](https://mobipol.pl/en/guides/paper-mill-energy-savings-and-lubrication-intervals/index.md): A case study explores how Mobil synthetic lubricants affect paper-machine efficiency, energy costs and lubrication service intervals. - [Polish Automotive Workshops Make Green Investments – Mobil 1 Survey Results](https://mobipol.pl/en/guides/polish-automotive-workshops-make-green-investments/index.md): A Mobil 1 survey asked Polish automotive workshops about environmental investments and reports how mechanics assess their efforts. - [Recent and Upcoming Changes in the SENT System](https://mobipol.pl/en/guides/recent-and-upcoming-changes-in-the-sent-system/index.md): Read about recent and planned changes to Poland’s SENT system and the potential effect on businesses handling goods such as lubricating oils. - [The Role of Thermal Fluids and Cooling Systems in Electric Cars](https://mobipol.pl/en/guides/role-of-thermal-fluids-and-cooling-systems-in-electric-cars/index.md): Electric cars still rely on thermal fluids and cooling systems without traditional engine oil. Learn how these systems support vehicle operation. - [Synthetic Engine Oils – a Range of Benefits for Your Vehicle](https://mobipol.pl/en/guides/synthetic-engine-oils-a-range-of-benefits-for-your-vehicle/index.md): Explore synthetic engine-oil properties, why drivers choose them and whether they are suitable for every car. - [The High Costs of Cheap Shopping](https://mobipol.pl/en/guides/the-high-costs-of-cheap-shopping/index.md): Total cost of ownership (TCO) compares more than the purchase price. Learn how a broader view of costs can change buying decisions. - [Turbocharger or Supercharger?](https://mobipol.pl/en/guides/turbocharger-or-supercharger/index.md): Compare turbochargers and mechanically driven superchargers, two devices often confused because both are associated with a compressor. - [What Does Gear Oil Do](https://mobipol.pl/en/guides/what-does-gear-oil-do/index.md): Gear oil does more than lubricate: it helps clean and carry heat away from transmission gears. Read about its role in gearbox operation. - [Which Oil to Choose for a Turbocharged Car?](https://mobipol.pl/en/guides/which-engine-oil-for-a-turbocharged-car/index.md): Turbochargers can increase power and torque but add operating demands. This guide explains oil considerations for turbocharged cars. - [How to choose hydraulic oil](https://mobipol.pl/en/guides/how-to-choose-hydraulic-oil/index.md): Choose hydraulic oil by its specification and viscosity. Compare HL, HLP and HVLP, ISO VG 32, 46 and 68, Mobil oils and oil analysis. - [How to choose bearing grease](https://mobipol.pl/en/guides/how-to-choose-bearing-grease/index.md): Choose bearing grease by NLGI grade, base oil viscosity and thickener: lithium, lithium complex or polyurea. Follow the steps and compare Mobil greases. - [Which air compressor oil?](https://mobipol.pl/en/guides/which-air-compressor-oil/index.md): Choose oil for a workshop or industrial air compressor. Compare piston and screw applications, mineral and synthetic Mobil Rarus oils, and oil analysis. - [Engine oil quantity](https://mobipol.pl/en/guides/how-much-engine-oil/index.md): How much oil does your engine need? Find the exact quantity in your owner’s manual, use the Mobil selector and learn how to check the dipstick.