Pulley Combinations for the RAM5.120-A36-36H fan with a 04018OT3H324T-W403 Phs, 40 HP, ODP, Premium (E-Plus3) Eff. Motor
Motor Pulley: 3B5V70
0 Turns = 7.1 Motor Pitch
0 Turns = 7.1 Motor Pitch
1/2 Turn = 0 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt by Discharge Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
Down Side
448 - 448 3B5V278 28.1 3  5VX1120     0.0 7.1 0.0 7.1
Motor Pulley: 4B5V60
0 Turns = 6.1 Motor Pitch
0 Turns = 6.1 Motor Pitch
1/2 Turn = 0 Motor Pitch
RPM Range Fan Pulley Pitch Dia. Bushing Belt Qty Belt by Discharge Max Turns Pitch @ Max Turns Min Turns Pitch @ Min Turns
Down Side
539 - 539 4B5V200 20.1 4  5VX1000     0.0 6.1 0.0 6.1
The manufacturer reserves the right to use alternate motors from alternate vendors that meet the operating requirements of the fan but may have slightly different specifications.