Belt: Generator
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We are the company «RefBelholod»
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CARRIER & THERMO KING for more than 10 years.
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→Alternator Drive Elastic Belt 6PK EL3157 (Genuine) Thermo King SLX / SLXe / SLXi Part 78-1945 / 78-1744 / 78-1507
The Genuine Alternator Elastic Belt Thermo King 78-1945 (Charging Drive Belt 6PK EL3157 / Genuine Multi-Ribbed Elastic Matrix) is a high-performance power transmission component engineered for the latest generation of Thermo King trailer refrigeration units, including the SLX, SLXe, and SLXi series. It provides direct rotational torque transfer from the Yanmar diesel engine crankshaft to the charging alternator.
This specific belt features the EL (Elastic) designation, indicating the integration of advanced elastic tensile cords within its structure. This technology allows the drive system to maintain optimal belt tension without the requirement for bulky mechanical tensioner assemblies, reducing system complexity and enhancing fleet reliability. In SLXi / SLXe setups, the alternator is critical not only for battery charging but for powering the entire SR-3 microprocessor control suite. Material fatigue or belt stretching leads to slippage, triggering "Check Alternator" or "Battery Not Charging" fault codes. A snapped belt causes an immediate low-voltage system shutdown, risking the safety of temperature-sensitive cargo. The genuine 78-1945 belt is manufactured from a patented rubber compound that maintains structural flexibility in extreme temperatures and resists degradation from engine oils and road chemicals.
This replacement component is indexed within official factory blueprints as the primary alternator drive part 78-1945 (781945). It serves as a direct engineering replacement for previous part numbers 78-1744 (781744) and 78-1507 (781507), matching factory reference indexes 1E11111H85 and 1E32438H09.
Technical Information:
- Manufacturer: Thermo King (Original OEM Equipment Builder)
- Belt Type: Multi-ribbed, Elastic (EL technology)
- Size Specification: 6PK EL3157 (6 ribs)
- Part Catalog References: 78-1945, 78-1744, 78-1507
- OEM Factory Codes: 1E11111H85, 1E32438H09 standard
- Material: Heavy-duty heat-resistant EPDM composite
Used in Equipment Logistics:
Extensively applied across modern Thermo King trailer units powered by Yanmar 486 diesel blocks:
SLX-series: SLX-100, SLX-200, SLX-300, SLX-400, SLX Whisper / Spectrum;
SLXe-series: SLXe-200, SLXe-300, SLXe-400, SLXe Spectrum builds;
SLXi-series: SLXi-200, SLXi-300, SLXi-400, and SLXi Spectrum platforms (including hybrid drive models).
Catalog Number:
Thermo King: 78-1945, 78-1744, 78-1507, 1E11111H85
Delivery and Warranty:
Fast structural shipping layout options across Russia, Belarus, and CIS regions. 1-month comprehensive operational warranty included. Distributed in protective factory packaging to maintain rubber integrity and prevent elastic cord damage during transit.
Product Description: Buy genuine alternator elastic drive belt (6PK EL3157) Thermo King 78-1945 / 78-1744 for SLX, SLXe and latest SLXi reefer units. Reliable charging and long-haul durability. Fast shipping.
thermo king 78-1945, buy alternator belt 781945, 6PK EL3157 belt replacement, slxi alternator belt, 78-1744, 1E11111H85, reefer belt drive components, refbelholod.
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