WKC 12T-2-RSC 12T WKC 12T-2-WSC 12T WKC 12T-4-WSC 12T/S90 WKC 12T-5 WKC 12T-5/S90 WKC 12T-5-WSC 12T WKC 12T-8/S101 WKC 4.4T-0.5-RSC 4.4T/S1587 WKC 4.4T-1 WKC 4.4T-1.5-RSC 4.4T