SERIAL NUMBER 2000 AND BELOW TM 10-3930-643-10 1-10 DIFFERENCE BETWEEN MODELS.-Continued SERIAL    NUMBER    2001    AND    UP B    Cab,    ROPS. This provides operator    comfort    in    inclement weather, a nd a l so o p e r a t or p r o t e c t i on in the event of machine    rollover    or    upset. C     Backup     alarm.     A     safety     feature to    notify    any    one    behind    the machine    to    clear    the    area. D    Engine    oil    sample    valve.    Pro^- vides    easy    access    to    obtain    an oil    sample    for    testing. T A 3 2 7 8 95 1 -9