Description

Overview

Thermo King Alternator 65A suits selected RDII, TDII, SBII and SBIII applications with Yanmar 388, 374, 395 and Isuzu 2.2 engines. It supplies 12V charging output for the unit electrical system, so weak charging can affect battery condition, starting reliability and normal control operation. Because refrigeration units work in vibration, heat and weather, a failing alternator can also create intermittent electrical faults that waste workshop time.

Features

• 65A alternator with 12V output
• Internal regulator and internal fan design
• 1/4-20 output stud for the main charge connection
• Spool mounting with threaded top mounts and 13.0mm lower mount

Specifications and Materials

Thermo King Alternator 65A is a 12V, 65A alternator for selected refrigeration unit applications. It uses an internal regulator, an internal fan, a 1/4-20 stud, and spool mounting with top 5/16-18 ID threaded points and a 13.0mm ID lower unthreaded mount.

Part number: TK-41-2200-AM.

Official Thermo King alternators flyer

Compatibility and Fitment

Match the unit series, engine family and mounting layout before ordering. This part suits selected Thermo King RDII, TDII, SBII and SBIII applications with Yanmar 388, 374 and 395 engines plus Isuzu 2.2 engine setups. Check the regulator arrangement, stud connection and bracket positions on the fitted alternator, because older fleets can carry changes from earlier repairs.

Compliance and Safety

Disconnect power before removal, then keep the wiring positions clear during refit so the charge circuit goes back correctly. Also inspect the belt, pulley alignment and mounting hardware while the alternator is off the unit, because charging faults often sit alongside wear in those parts. If the system has a history of overcharging, inspect the wiring and battery condition before fitting the replacement unit.

Trailer Applications

Thermo King Alternator 65A suits workshop repairs on trailer refrigeration units that need steady battery charging and reliable electrical support during operation. It is most relevant when the existing alternator under-charges, fails completely, or shows regulator or bearing problems during service.

Why Choose ICS Trailers

ICS Trailers stocks replacement electrical parts for Thermo King service work, so this alternator fits alongside the charging components commonly checked in the same repair.

Browse Electrical parts at ICS Trailers