GKDM 40-6M/S4000 GKDM 40-7M/S3180/S4000 GKDM 40-7M/S4000 GKDM 40-8M GKDM 40-8M/S3180/S4000 GKDM 40-9M/S3180/S4000 GKDM 42-0.4M GKDM 42-0.5M GKDM 42-1.5M GKDM 42-10M