Description

Overview

Belt Tensioner Clutch Retrofit Thermo King SLX is a drive-system retrofit assembly used on SLX refrigeration units to control belt tension and keep pulley alignment stable through service. It combines the clutch tensioner section with the bracket, spring, pulley and related hardware, so it suits repairs where worn tensioner parts have started to affect belt tracking or drive stability.

Features

• Belt Tensioner Clutch Retrofit Thermo King SLX assembly for clutch-style drive service
• Includes tensioner base, spring, pivot hardware, snap ring, grooved idler pulley and bearing components
• Built for SLX 100, 200, 300 and 400 family applications
• Useful when worn tensioner parts are causing belt misalignment or unstable tension

Specifications and Materials

Supplied as a multi-part retrofit assembly with tensioner, base, spring, pivot screw, adjuster hardware, grooved idler pulley and bearing components. Part number: TK-78-1887-AM.

See the Thermo King belts overview

Compatibility and Fitment

Match the existing mount, pulley style and drive layout before ordering, because SLX tensioner parts can vary across unit builds and repair history. This cross-reference listing means this part is a suitable replacement for the part numbers and applications shown. Some changes in installation may be required. 78-1884, 781884, 78-1791, 781791, 10-78-1887, 10781887, 781887, 931047, 931431, 936473, 551173, 557072, 510141TKA, 555914, 556283, 511690TKA, 559960TKA, 773038, 773124

Compliance and Safety

Check belt condition, pulley tracking and fastener security during installation, then confirm free pulley rotation before returning the unit to service. If the previous tensioner failed under load, inspect the belt and neighbouring drive components as well.

Trailer Applications

Belt Tensioner Clutch Retrofit Thermo King SLX suits Thermo King SLX 100, SLX 200, SLX 300 and SLX 400 family applications, including Complete, Ferry and Spectrum references where the installed tensioner arrangement matches. It is suited to transport refrigeration service work where the existing clutch-style tensioner assembly needs replacement as a complete retrofit rather than piecemeal repair.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

This assembly gives you the main tensioner retrofit components in one order, which is useful when the original drive parts show wear across more than one piece. ICS Trailers also lists Thermo King service parts by application, so matching related drive items is more straightforward during repair planning.

Browse more Thermo King parts at ICS Trailers