The body is a single stress-carrying truss structure designed for a buffing load of 300,000 lbf (1,334.5 kN).

Detachable roof panels with hinged covers provide access to components for maintenance and overhaul.

The engine is the 1,760 bhp V-8 version of English Electric's RK/V Mk III range, turbocharged and intercooled.

It provides a 17% increase in power over the 12SVT Mk II engine fitted to the earlier Class 20.

[1] Media related to Keretapi Tanah Melayu class 22 at Wikimedia Commons This diesel locomotive-related article is a stub.