{"product_id":"hym40-1191-rotating-gp","title":"HYM40-1191 - ROTATING GP","description":"\u003ch3\u003eOne New Aftermarket Replacement Hydraulic Pump Rotating Group for Caterpillar (Cat) Excavators and Track-Type Tractors\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement rotating group fits the main hydraulic piston pump on Caterpillar (Cat) construction equipment. The rotating group is the core assembly inside the hydraulic piston pump, comprising the cylinder barrel, pistons, and piston shoes that generate hydraulic flow as the barrel turns on the drive shaft. Replacing the rotating group restores full hydraulic pump output and is a common repair for excavators and dozers experiencing reduced hydraulic performance.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWeight: approximately 46-47 lbs\u003c\/li\u003e\n\u003cli\u003eType: Hydraulic piston pump rotating group\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Excavators:\u003c\/strong\u003e 330B L, 330B LN (Serial Prefixes: 3YR, 4RS - Powered by 3306 Engine)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Track-Type Tractors:\u003c\/strong\u003e D6H, D6H XL, D6H XR\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eM2220113\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003e222-0113, 2220113\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":42093573931091,"sku":"HYM40-1191","price":2056.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_ead73445-6c8d-476a-9faa-4b0d4088bca3.jpg?v=1757742261","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/hym40-1191-rotating-gp","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}