Doncaster based, OCLS are experts in the provision of professional engine oil analysis and diesel fuel filtration solutions, for oil condition monitoring and engineering related issues that require lubricant analysis. Industries and Manufacturers that we provide for include: Mining Equipment - Joy, Eickhoff, DBT, Dosco, Voest-Alpine, Eimco Construction Plant - Komatsu, Terex, Caterpillar, Hitachi, JCB, Volvo DMU's and Locos - Engines, Hydraulic oil analysis and Fluid Power Systems, Gearboxes, Transformer oil analysis. Marine Equipment - Diesel engine oil analysis, Hydraulics, Analysis of oils for Gearbox lubrication, Bunker fuels & MDO testing OCLS are a highly regarded, modern lubricant analysis and diesel fuel testing laboratory. Our experts are proud of our independent status and our technicians, who can be relied upon for a completely unbiased and informative prognosis of all oils, diesel fuels and lubricants. The lab which is based within South Yorkshire, operates to both ISO9001:2000 and BS EN ISO14001:2004 standards and meets all manufacturer, warranty or maintenance requirements.