440D - SKIDDER, LOG HYDRAULIC SYSTEM 0360 Parts group HYDRAULIC SYSTEM 0360 HYDRAULIC SYSTEM 0360 . TRANSMISSION QUILL AND SUCTION TUBE [01D20] TRANSMISSION OIL FILTER [01D21] HYDRAULIC OIL FILTER RELIEF VALVE [01D22] TRANSMISSION OIL PUMP AND FILTER [01D23]