. FOREWORD NECESSARY INFORMATION NECESSARY INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. MACHINE SERIAL NO. PLATE AND POSITION Under the front of the console box on the right side of the operator's seat. the engine oil filter.) 1 - 8 ENGINE SERIAL NO. PLATE AN This is at the rear of the exhaust manifol (The EMISSION CONTROL INFORMAT ION LABEL is on the mounting bracket between the water se parator and EPA: Environmental Protection Agency, U.S.A.