{"product_id":"makita-hm1812x3","title":"Makita 70lbs. Advanced AVT Breaker Hammer with 1-1\/8 In. Hex, 4pc Steel, Premium Cart - HM1812X3","description":"\u003ch2\u003eMakita 70lbs. Advanced AVT Breaker Hammer with 1-1\/8 In. Hex, 4pc Steel, Premium Cart - HM1812X3\u003c\/h2\u003e\n\u003cp\u003eThe new 70 lb. AVT Breaker Hammer (model HM1812) is engineered to hit like an air hammer, but with less noise and vibration. It has a powerful 15 AMP motor that delivers a full 53.9 ft. lbs. (73.8 Joules) of impact energy, so contractors get hard-hitting performance. Users also benefit from less noise and lower vibration than an air hammer and zero hassle with an air hose and compressor. The HM1812 features the latest Advanced AVT Technology, a synchronized three-component system that more effectively reduces vibration. The internal mechanical counterbalance system, vibration-absorbing housing and fixed movement handles are engineered for significantly less vibration during concrete breaking applications.\u003c\/p\u003e\n\u003ch5\u003e Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eHits Like Air Without the Vibration\u003c\/li\u003e\n\u003cli\u003eEfficient 15 AMP motor with improved hammer mechanism delivers 53.9 ft. lbs.\/72.8 joules of impact energy to handle the most demanding applications\u003c\/li\u003e\n\u003cli\u003eAdvanced AVT is a synchronized, three-component system that more effectively reduces vibration in varying conditions resulting in a low 6.5m\/s2\u003c\/li\u003e\n\u003cli\u003eAdvanced AVT provides a mechanical counterbalance system which greatly reduces vibration\u003c\/li\u003e\n\u003cli\u003eAdvanced AVT provides a vibration absorbing housing\u003c\/li\u003e\n\u003cli\u003eHits Like Air Without the Vibration\u003c\/li\u003e\n\u003cli\u003eEfficient 15 AMP motor with improved hammer mechanism delivers 53.9 ft. lbs.\/72.8 joules of impact energy to handle the most demanding applications\u003c\/li\u003e\n\u003cli\u003eAdvanced AVT is a synchronized, three-component system that more effectively reduces vibration in varying conditions resulting in a low 6.5m\/s2\u003c\/li\u003e\n\u003cli\u003eAdvanced AVT provides a mechanical counterbalance system which greatly reduces vibration\u003c\/li\u003e\n\u003cli\u003eAdvanced AVT provides a vibration absorbing housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"28\" data-end=\"244\"\u003e\n\u003cp data-start=\"30\" data-end=\"244\"\u003e\u003cstrong data-start=\"30\" data-end=\"62\"\u003eVersatile 2‑in‑1 Yard Power:\u003c\/strong\u003e Combines a brushless power head with both a 13″ string trimmer and blower — ideal for trimming, edging, and cleanup around yards and gardens. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"245\" data-end=\"486\"\u003e\n\u003cp data-start=\"247\" data-end=\"486\"\u003e\u003cstrong data-start=\"247\" data-end=\"272\"\u003eBrushless Efficiency:\u003c\/strong\u003e Makita’s 18V LXT brushless motor delivers up to 7,000 RPM on the trimmer and strong blower performance (~438 CFM, 111 MPH), giving pro‑level power with cordless convenience. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"487\" data-end=\"726\"\u003e\n\u003cp data-start=\"489\" data-end=\"726\"\u003e\u003cstrong data-start=\"489\" data-end=\"521\"\u003eTool‑Less Attachment System:\u003c\/strong\u003e Lever‑style lock makes swapping attachments quick and simple without extra tools — expanding future versatility with other compatible attachments (sold separately). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"727\" data-end=\"893\"\u003e\n\u003cp data-start=\"729\" data-end=\"893\"\u003e\u003cstrong data-start=\"729\" data-end=\"749\"\u003eSpeed \u0026amp; Control:\u003c\/strong\u003e High\/Low speed button plus variable‑speed trigger let you tailor power and runtime to the task at hand. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"894\" data-end=\"1070\"\u003e\n\u003cp data-start=\"896\" data-end=\"1070\"\u003e\u003cstrong data-start=\"896\" data-end=\"919\"\u003eCordless Advantage:\u003c\/strong\u003e No gas, oil mixing, or pull starts — making it cleaner, quieter, and easier to maintain than gas alternatives. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1071\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1073\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1073\" data-end=\"1096\"\u003eIncluded Kit Value:\u003c\/strong\u003e Comes with a 4.0 Ah battery and charger, giving ready‑to‑go performance straight out of the box.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"242\" data-end=\"520\"\u003e\u003cstrong data-start=\"242\" data-end=\"288\"\u003eQ: What is this Makita breaker hammer kit?\u003c\/strong\u003e\u003cbr data-start=\"288\" data-end=\"291\"\u003eA: A \u003cstrong data-start=\"296\" data-end=\"348\"\u003e70 lb. advanced vibration control breaker hammer\u003c\/strong\u003e that accepts \u003cstrong data-start=\"362\" data-end=\"381\"\u003e1‑1\/8\" hex bits\u003c\/strong\u003e and includes a \u003cstrong data-start=\"397\" data-end=\"437\"\u003epremium hammer cart, four steel bits\u003c\/strong\u003e, and a hex wrench for heavy‑duty demolition. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"522\" data-end=\"748\"\u003e\u003cstrong data-start=\"522\" data-end=\"548\"\u003eQ: How powerful is it?\u003c\/strong\u003e\u003cbr data-start=\"548\" data-end=\"551\"\u003eA: Features a \u003cstrong data-start=\"565\" data-end=\"581\"\u003e15 AMP motor\u003c\/strong\u003e delivering \u003cstrong data-start=\"593\" data-end=\"617\"\u003e53.9 ft‑lbs (72.8 J)\u003c\/strong\u003e of impact energy and up to \u003cstrong data-start=\"645\" data-end=\"669\"\u003e870 blows per minute\u003c\/strong\u003e for tough concrete and masonry breaking. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"750\" data-end=\"1004\"\u003e\u003cstrong data-start=\"750\" data-end=\"793\"\u003eQ: What vibration control does it have?\u003c\/strong\u003e\u003cbr data-start=\"793\" data-end=\"796\"\u003eA: Advanced AVT uses a mechanical counterbalance, vibration‑absorbing housing, and rubberized handles to significantly reduce vibration for user comfort and productivity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1006\" data-end=\"1224\"\u003e\u003cstrong data-start=\"1006\" data-end=\"1043\"\u003eQ: What accessories are included?\u003c\/strong\u003e\u003cbr data-start=\"1043\" data-end=\"1046\"\u003eA: Kit includes \u003cstrong data-start=\"1062\" data-end=\"1136\"\u003etwo self‑sharpening bull point bits, two flat chisels (all 1‑1\/8\" hex)\u003c\/strong\u003e, a \u003cstrong data-start=\"1140\" data-end=\"1163\"\u003epremium hammer cart\u003c\/strong\u003e, and a \u003cstrong data-start=\"1171\" data-end=\"1185\"\u003ehex wrench\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1226\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1226\" data-end=\"1279\"\u003eQ: What features help durability and maintenance?\u003c\/strong\u003e\u003cbr data-start=\"1279\" data-end=\"1282\"\u003eA: Includes \u003cstrong data-start=\"1294\" data-end=\"1308\"\u003esoft start\u003c\/strong\u003e, \u003cstrong data-start=\"1310\" data-end=\"1347\"\u003eno‑hammering‑when‑idling function\u003c\/strong\u003e, \u003cstrong data-start=\"1349\" data-end=\"1377\"\u003eLED power\/service lights\u003c\/strong\u003e for diagnostics, \u003cstrong data-start=\"1395\" data-end=\"1422\"\u003eautomatic brush cut‑off\u003c\/strong\u003e, and a long \u003cstrong data-start=\"1435\" data-end=\"1457\"\u003e16.4 ft power cord\u003c\/strong\u003e with integrated guide. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1520\" data-end=\"1720\"\u003e\u003cstrong data-start=\"1520\" data-end=\"1559\"\u003eQ: What jobs is this tool best for?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: Designed for \u003cstrong data-start=\"1578\" data-end=\"1681\"\u003econcrete demolition, slab breaking, foundations, sidewalks, and heavy construction demolition tasks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul data-start=\"187\" data-end=\"1258\"\u003e\n\u003cli data-start=\"187\" data-end=\"385\"\u003e\n\u003cp data-start=\"189\" data-end=\"385\"\u003e\u003cstrong data-start=\"189\" data-end=\"216\"\u003eClear debris after use:\u003c\/strong\u003e Wipe down the hammer and bit holder to remove concrete dust and debris — this helps prevent buildup that can affect performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"386\" data-end=\"553\"\u003e\n\u003cp data-start=\"388\" data-end=\"553\"\u003e\u003cstrong data-start=\"388\" data-end=\"411\"\u003eInspect power cord:\u003c\/strong\u003e Regularly check the cord and plug for cuts or wear; a damaged cord can lead to power loss or hazards. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"554\" data-end=\"731\"\u003e\n\u003cp data-start=\"556\" data-end=\"731\"\u003e\u003cstrong data-start=\"556\" data-end=\"574\"\u003eCheck brushes:\u003c\/strong\u003e Watch the service LED and replace carbon brushes when worn to maintain motor efficiency and avoid commutator damage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"732\" data-end=\"916\"\u003e\n\u003cp data-start=\"734\" data-end=\"916\"\u003e\u003cstrong data-start=\"734\" data-end=\"764\"\u003eGrease bit shank \u0026amp; holder:\u003c\/strong\u003e Periodically apply light grease to the bit shank and tool holder interface to reduce wear and ease bit changes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"917\" data-end=\"1072\"\u003e\n\u003cp data-start=\"919\" data-end=\"1072\"\u003e\u003cstrong data-start=\"919\" data-end=\"941\"\u003eTighten fasteners:\u003c\/strong\u003e Ensure all housing screws and handles remain snug to minimize vibration‑related loosening. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1073\" data-end=\"1258\"\u003e\n\u003cp data-start=\"1075\" data-end=\"1258\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1095\"\u003eProtect storage:\u003c\/strong\u003e Store bits and the breaker in a dry, clean environment — moisture accelerates corrosion on steel chisels and internal parts. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_vq_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Makita","offers":[{"title":"Default Title","offer_id":51688688025898,"sku":"HM1812X3","price":2016.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/1669\/files\/41KkqYGsVBL_e6b81272-2a07-4191-aad5-3aec986fc9bb.jpg?v=1781113246","url":"https:\/\/www.mybackyardzone.com\/products\/makita-hm1812x3","provider":"AUMI 4","version":"1.0","type":"link"}