Description
The BTRAC BT3-0600-4 blower assembly is engineered for mobile HVAC systems operating on 24-volt electrical platforms. It uses a single blower wheel with an integrated three-speed motor to provide strong, consistent airflow through heater cores and ducting, supporting effective cab heat and defrost performance in heavy-duty equipment.
Because the blower features a three-speed motor, operators can adjust airflow output to match comfort needs and operating conditions. As a result, the system maintains steady air delivery during both intermittent and continuous duty cycles. In addition, the compact housing allows the assembly to fit easily into tight HVAC enclosures commonly found in trucks, buses, and off-highway equipment.
The BT3-0600-4 is commonly used with Red Dot HVAC models R-295-24, R-9750-24, and R-24-5-24. Therefore, it serves as a dependable service replacement for worn or failed blower assemblies in existing 24-volt installations. The design also supports use with an external replacement resistor (71R1404) when servicing multi-speed circuits.
Furthermore, the blower’s proven design and broad interchange coverage make it well suited for fleet maintenance and long-term service in demanding mobile environments.
Specifications
Electrical
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Voltage: 24V DC
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Motor Type: 3-Speed
Airflow
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Airflow Output: 442 CFM
Configuration
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Blower Type: Single blower wheel
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Assembly Style: Complete motor and blower assembly
Physical Dimensions
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Overall Length: 12 1/4 in
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Height: 4 1/2 in
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Width: 3 1/8 in
Cross Reference Numbers
008-B45-02
119-1040
150-3203
150-3208
1911505411
1911505423
232-8837
30000464
3997
4379-RD588380
4379-RD588380P
73R5534
BMP1940
RDH RD5 8838 0
RDHRD588380P
RDT73R5534
Applications & Notes
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Designed for 24-volt mobile HVAC systems
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Commonly used with Red Dot models R-295-24 and R-9750-24
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Three-speed operation supports adjustable airflow
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Replacement resistor: 71R1404
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Ideal for cab heat and defrost applications
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Always verify voltage, dimensions, and mounting orientation before installation





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