Torsion bar (tension arm)
Used: 228.00$
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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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→Mechanical Belt Drive Torsion Arm Tensioner Lever (Genuine) Thermo King SL / SL-e / SLX / Spectrum Part 77-2684 / 772684
The Genuine Heavy-Duty Belt Drive Torsion Arm Thermo King 77-2684 (Mechanical Tensioner Linkage Lever / Genuine Drivetrain Stabilizing Component) is a high-strength structural element of the reefer drive train system. This component is engineered to provide rigid fixing, precise alignment tracking, and axial vibration dampening across the mechanical belt tensioner loops of Yanmar diesel engine configurations on Thermo King SL, SL-e, SLX, and multi-temp Spectrum trailer fleet series.
In high-performance long-haul platforms like the SL-e, SLX 200, SLX 300, SLX 400, and Spectrum SLX, the torsion lever 77-2684 plays a key role in tracking alignment preservation. Operating within automated Cycle-Sentry start-stop high-frequency logs, the entire belt system experiences massive torque surges. The torsion arm stabilizes the alignment matrix between the tensioner pulley and the main crankshaft, compressor, or charging alternator shкивы. Throughout extreme logistical operations, high engine vibration exposure, or frozen pulley accidents, the metal structure of the torsion lever can suffer structural bending deformation, crack stress logs at mounting brackets, or mount hole widening failure. Structural damage symptoms are immediate: prominent belt line skewing, ribs running off structural pulley tracks, extreme drive loop resonance, and rapid belt fraying. A bent or failed torsion bracket destroys belt profiles under load, snapping the main drive train belts, stalling alternator charge paths or engine water pumps, triggering overheat safety alarms, and compromising cargo climate logs. The genuine replacement is forged from a premium high-tensile hardened structural steel compound built to resist shifting stress profiles and sub-zero thermal cycling environments.
This replacement mechanical overhaul component is indexed within official factory blueprints under primary standalone part catalog index Thermo King 77-2684 (772684), strictly adhering to high OEM industrial builder parameters.
Technical Information:
- Manufacturer: Thermo King (Original OEM Equipment Builder)
- Structural Layout: Rigid structural mechanical torsion arm (Tensioner Lever Linkage)
- Material Composition: Premium-grade hardened high-tensile industrial structural steel
- Part Catalog References: Thermo King 77-2684, 772684
- Primary Responsibility: Continuous pulley соосность preservation and axial sway dampening across Yanmar diesel belt drives
Used in Equipment Logistics:
Engineered for comprehensive fitment on diesel and diesel-electric trailer refrigeration configurations within the SL-e, SLX, and multi-temp fleet spectrum:
SL-e series: SL-100e, SL-200e, SL-400e, SL-400e SR2 (including layouts marked with Tier 2 specifications);
SLX series: SLX-100, SLX-200, SLX-300, SLX-400, SLX Whisper, SLX Spectrum, and Spectrum SLX builds;
Spectrum SL series: Spectrum SL Multi-Temp, SL Spectrum Multi Temp, and Spectrum SL Tier 2 platforms.
Catalog Number:
Thermo King: 77-2684
Delivery and Warranty:
Fast structural shipping layout options across Russia and Belarus regions. 1-month comprehensive operational warranty included. Distributed inside a secure individual protective pack layout to completely shield the steel bar body structure and critical mounting journals against dynamic transit friction damage.
Product Description: Buy genuine mechanical belt drive torsion arm tensioner lever Thermo King 77-2684 for SL-e, SLX and Spectrum trailer refrigeration units. High-reliability dynamic pulley alignment maintenance. Fast shipping.
thermo king 77-2684, buy torsion arm 772684, tensioner lever replacement slx 400, stabilization bracket sl-400e, mechanical reefer drive components, trailer refrigeration components
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