Check S/N Cutoff
3540 HST Cab - Up to S/N: CFOHC 1500
3540 HST - Up to S/N: CFOH 1827
3540 PST Cab - Up to S/N: CFOPC 1500
3540 PST - Up to S/N: CFOP 1766
3550 HST Cab - Up to S/N: CFIHC 1500
3550 HST - Up to S/N: CFIH 1500
3550 PST Cab - Up to S/N: CFIPC 1500
3550 PST - Up to S/N CFIP 1764