DIESEL STANDBY GENERATOR SETS WITH JOHN DEERE ENGINES, 60 HZ, 1800 RPM NOTES FOR SPJD SERIES GEN-SETS: OPEN UNITS: EQUIPPED WITH MANIFOLDTURBO EXHAUST PIPE, FLEX CONNECTOR, AND CLAMPS (FOR SILENCER SEE PAGE 12). LEVEL 2: SOUND ABSORBING FOAM WITH 4 LB. DENSITY THROUGHOUT HOUSING more...