Belt tensioner (assembled, with roller)
Used: 540.00$
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We are the company «RefBelholod»
We have been working with refrigerators
CARRIER & THERMO KING for more than 10 years.
We have a large warehouse of secondary spare parts for refrigerators. Excellent quality of spare parts, all spare parts are inspected!
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→Automatic Belt Tensioner Assembly with Idler Pulley (Genuine) Thermo King SLX / SLXe / Spectrum Part 77-3192 / 77-3250
The Genuine Automatic Spring-Loaded Belt Tensioner Assembly with Pulley Thermo King 77-3192 (Heavy-Duty Belt Drive Tensioning Module / Genuine Drive Alignment Assembly) is a critical mechanical power transmission component engineered for transport refrigeration units. It is designed to maintain consistent, factory-calibrated dynamic tension on drive belts across Yanmar 486 diesel engine setups on SLX and SLXe trailer series configurations.
In high-capacity systems like the SLX 300, SLX 400, and SLXe Spectrum, manual belt adjustments have been completely replaced by dynamic automated engineering layout structures. The internal heavy-duty spring dampening core of the 77-3192 assembly counteracts natural structural rubber elongation while absorbing intense rotational shock vibrations generated during rapid diesel start sequences within automated Cycle-Sentry multi-temp logs. Throughout high mileage fleet logs, tensioner unit fatigue, body misalignment, or internal idler bearing grease drying occurs. Structural breakdown symptoms are instantaneous: intense belt squealing, mechanical grinding noises, or visible tensioner pulley wobble. An unaligned pulley causes uneven rib wear, forcing belts to slip or snap under load. A total structural tensioner lockup or failure immediately snaps the main drive belts, stalling the alternator or water pump, triggering critical engine overheat codes, disabling all cooling functions, and putting logistical payload safety at risk. The genuine replacement is manufactured from a high-tensile cast alloy housing resistant to deep road shocks and comes complete with a precision-balanced smooth idler wheel integrating premium double-sealed bearing rings.
This critical mechanical overhaul component is indexed within official factory blueprints under primary assembly catalog index Thermo King 77-3192 (773192). It serves as a direct engineering replacement for alternative factory part reference 77-3250 (773250), strictly adhering to OEM industrial builder matrixes.
Technical Information:
- Manufacturer: Thermo King (Original OEM Equipment Builder)
- Structural Layout: Automatic internal spring-loaded dampening tensioner module
- Assembly Contents: Complete structural tensioner arm body integrated with smooth idler pulley wheel
- Part Catalog References: Thermo King 77-3192, 773192, 77-3250, 773250
- Primary Responsibility: Continuous belt alignment and pressure tracking across Yanmar diesel drive trains
Used in Equipment Logistics:
Engineered for comprehensive fitment on long-haul diesel and diesel-electric trailer refrigeration configurations within the SLX fleet spectrum:
SLX-series: SLX-100, SLX-200, SLX-300, SLX-400, SLX Whisper, SLX Spectrum, and Spectrum SLX platforms;
SLXe-series: SLXe-100, SLXe-200, SLXe-300, SLXe-400, SLXe Spectrum, and Whisper Pro configurations.
Catalog Number:
Thermo King: 77-3192, 77-3250
Delivery and Warranty:
Fast structural shipping layout options across Russia and Belarus regions. 1-month comprehensive operational warranty included. Distributed inside a rigid structural brand box to completely protect the cast alloy body and precision idler bearings against dynamic transit deflection loads.
Product Description: Buy genuine automatic belt tensioner assembly with idler pulley Thermo King 77-3192 (77-3250 alternative) for SLX and SLXe trailer refrigeration units. High-reliability dynamic belt traction maintenance. Fast shipping.
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