The Red Dot 73R0102 blower motor is engineered for dependable performance in demanding mobile HVAC environments. Operating on 12 volts with single-speed output, this motor is commonly used where consistent airflow is required without variable speed control.
Its field-wound construction supports long service life under continuous operation. The sealed, non-vented housing helps protect internal components from dust and debris, while the stud mount design ensures secure installation. The 73R0102 is frequently used in heater and evaporator assemblies for heavy-duty vehicles and equipment, including applications requiring counterclockwise shaft rotation.
Product Specifications
Red Dot Part No.: 73R0102
Red Dot Factory Part No.: RD-5-4550-0P
Product Name: Blower Motor
Motor Type: Field Wound
Voltage: 12V
Speed: Single Speed
Rotation: CCW
Vent: Sealed / Non-Vented
Overall Length (A): 3 1/2″
Motor Length (B): 2 3/4″
Motor Diameter (D): 3″
Shaft Type: Single
Shaft Diameter: 5/16″
Shaft Length (C): 13/16″
Mount Type: Stud Mount
Stud Span (E): 2 5/16″
Connector: One conductor, 14-gauge
Notes: John Deere reference T55563
Applications
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Cab heater systems
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Evaporator blower motor assemblies
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Mobile HVAC units
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Heavy-duty trucks and buses
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Off-road and industrial equipment
Interchange & Cross-Reference Numbers
OEM / Industry References:
Air Source / MEI: 3784
Alliance: ABP N83 301171
AP Air: BM11208
John Deere: T55563
NDNS: ABPN83301171
Omega: 26-14534, 26-14576
Primatech: PTAC3784
Siemens: PM366
Truck Air / MEI: 44586
TruckAC+: T5794
TEXAS TRUCK AC: 150-4593
UAC: BM0366
Red Dot References:
Aftermarket: 73R0102
Factory: RD-5-4550-0P
Interchange Numbers:
01-2004, 117284C3, 150-4593, 203193, 208907, 208998, 232-8740, 271438, 2807-508-042, 3072, 35258, 35420, 4379-RD545500, 4379-RD545500P, 510-256, 578041, 5780416, 6630980, 73R0102, 900315, 9843214, A42599, ABP N83 301171, AM86503, C0AF-18527-D, COA-F18527-D, F89388, HA17200, RDHRD545500P, RDT73R0102, T55563
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