PRODUCT IDENTIFICATION 1.4.3 ENGINE SERIAL NUMBER AND EXHAUST GAS EMISSION PLATE The engine serial number is stamped on the plate positioned on the engine itself. RKA16540 The exhaust gas emission plate is applied to the counterweight. RKA16550 1.4.4 TRAVEL REDUCTION GEAR SERIAL NUMBER The serial number is stamped on the plate positioned inside the travel reduction gear and can be seen after removing the cover (1). 7