The Perkins 200 series engines (GA/GB/GC in internal parlance) were manufactured by licensee Toyo Kogo (Mazda) for use in automotive and other applications.

Applications: The emission improved version used in the Mazda 323 from mid-1997 adopted a new swirl chamber with an enlarged volume, revised swirl-chamber-to-main-chamber ratio and a narrower throat area.

2002 RF Mazda diesel engine includes new dual-mass flywheel and common rail Denso injection with max.

Torque output (both versions have same maximum 310 N⋅m (229 lb⋅ft) at 2000 rpm), fuel efficiency and NOx emissions were improved by using: Combined fuel economy is achieving 6.5 L/100 km (43 mpg‑imp; 36 mpg‑US) and emission rating Euro Stage III (D4) with on a regular basis mounted catalytic converter with Lambda probe and exhaust-gas recirculation system (EGR).

This drivetrain still has most of typical features of its predecessor including belt-driven SOHC valve train with rocker arms and mechanically adjusted screws (in contrast to frequently mismatched, absolutely different ZSD or PSA DW10 Ford Duratorq engines).

As a result, the RF 2005 engines emit 80 percent less particulate matter than required by Euro Stage IV standards.

This engine has changed layout of the intake/exhaust, with more efficient EGR cooler, better DPF and combined fuel consumption 5.6 L/100 km (50 mpg‑imp; 42 mpg‑US), less than its predecessor.