Cummins Signature and ISM Engines * Upgrade Version of LF3000 Cross reference: Baldwin BD7309 | Cummins 3401544 | Donaldson ELF7300 Specifications: Total Height: 300.28mm / 11.8″ Largest O.D: 118.6mm / 4.7″ Seam O.D: 118.9mm / 4.7″ Gasket O.D: 118.9mm / 4.7″ Gasket I.D: 101.9mm / 4″ Thread: 2 1/4-12 UNS-2B Standpipe: No 30 Micron Efficiency, TWA: 98.7 % (98.7 %)