On a New Holland 6610 on the upper front corner of transmissiom in a wide flat place where the loader bolt up. There are these numbers there; EM4H4C 6L23P 2552734N or M. What do they mean? On the right side of motor where the oil pan bolt to motor. In the center of motor where the dipstick is are these numbers; NA639 484 or L 6j03 82350639. What do they mean? Is any of them the searial number year, & model number? It suppose to be a 1996 New Holland 6610? You can Email; [email protected]. I am trying to find out if it is a 1996 New Holland 6610. Any help will be apprecitied.