GL is the group of companies professionalized in the manufacture of the crankshafts over 12 years in Turkey. The primary focus is the manufacture of the crankshafts from 2 cylinder to 16 cylinder for different brands and models. The main type for crankshafts that we can offer to our clients are: Construction machines / Haul Truck Industrial machines / Generator Heavy Trucks Tractors Beside this, GL is able to manufacture different crankshaft models upon special requests. GL Crankshafts are guaranteed for 12 months. I take this opportunity to kindly inform you that we can offer you CATERPILLAR, KOMATSU, CUMMINS, MTU, JENBACHER, HANOMAG, LIEBHERR, DEUTZ, SISU, MITSUBISHI, and so on crankshafts.Waiting for your kind reply,Best Regards,