WP2.3N engines for special-purpose vehicles WP2.5N engines for special-purpose vehicles WP3N engines for special-purpose vehicles WP4.1N engines for special-purpose vehicles WP4.6N engines for special-purpose vehicles WP2.3N series engines for bus chassis WP2.5N series engines for bus chassis WP3N series engines for bus chassis WP4.1N series engines for bus chassis WP4.6N series engines for bus chassis
