American Power Systems APS™

Straight Rail chassis alternators for OE chassis designs. Custom designs and conceptual models available.  Revolutionary series of alternators that has a superior power to weight ratio for large OEM chassis.  There's simply nothing quite like it.

Patented magnetics deliver earth shaking performance for 28 volt power.  For heavy armor, uparmored passenger car and truck. Wide range of alternators, generators and APU products for demanding applications.

OEM replacement alternators and starters for fleets, refrigeration trailers, trucks and big box shippers.  Also small APU starters and alternators. Corrects many OE manufacturer's deficiencies in power and performance.  Long life and great prices. 

Combines thermal efficiency with low core losses to produce strong performance for demanding environments.

Upgrade your chassis build spec to incorporate the latest  technology with APS 55i  Series to get great load response and performance in a light weight, easy to install package.

APS E/F and GM Cutaway Chassis Alternators Model # :APS 35-45-SSP-868

A revolution in performance and reliability for Van cutaway series OEM installs. Ford Smart Charge PCM and GM RVC compatible. Outperforms all other alternators by 100 amps on the top end, with superior idle power for heavy loads. Applications guide.