The D9H was powered by a turbocharged Caterpillar D353, an after-cooled six-cylinder engine producing 410 flywheel horsepower.

Caterpillar D9H '1974–80

The D9H was powered by a turbocharged Caterpillar D353, an after-cooled six-cylinder engine producing 410 flywheel horsepower.

WheelsAge.org '2005–pr.