{"product_id":"bkc-15-30-gr-gear-drive-pressure-washer-pump-4-0-gpm-4000-psi-hollow-shaft","title":"BKC 15\/30-GR Gear Drive Pressure Washer Pump – 4.0 GPM 4000 PSI Hollow Shaft","description":"\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"f1efcc89-30b3-4c2b-b1ad-b6ef7ebc64ad\" class=\"\"\u003e\n\u003csection data-turn=\"user\" data-testid=\"conversation-turn-199\" data-turn-id-container=\"f1efcc89-30b3-4c2b-b1ad-b6ef7ebc64ad\" data-turn-id=\"f1efcc89-30b3-4c2b-b1ad-b6ef7ebc64ad\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-5\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-200\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-5\" data-turn-id=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-5\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"ace65ea2-416b-4abf-a7c0-82d503e9d0ee\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-end=\"210\" data-start=\"0\"\u003e\u003cstrong data-end=\"16\" data-start=\"0\"\u003ePart Number:\u003c\/strong\u003e MKC 15\/28-GR\u003cbr data-end=\"32\" data-start=\"29\"\u003e\u003cstrong data-end=\"45\" data-start=\"32\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Pumps → Gear Drive Pumps → Industrial Pressure Washer Pumps\u003cbr data-end=\"124\" data-start=\"121\"\u003e\u003cstrong data-end=\"133\" data-start=\"124\"\u003eType:\u003c\/strong\u003e BKC 15\/30-GR Gear Drive Pressure Washer Pump – 4.0 GPM 4000 PSI Hollow Shaft\u003c\/p\u003e\n\u003chr data-end=\"215\" data-start=\"212\"\u003e\n\u003cp data-end=\"772\" data-start=\"297\"\u003eThe \u003cstrong data-end=\"371\" data-start=\"301\"\u003eBKC 15\/30-GR Gear Drive Pressure Washer Pump (Model #MKC 15\/28-GR)\u003c\/strong\u003e is a genuine OEM heavy-duty triplex plunger pump engineered for professional commercial and industrial pressure washing applications. Manufactured by \u003cstrong data-end=\"530\" data-start=\"522\"\u003eUdor\u003c\/strong\u003e, this gear-driven pump delivers \u003cstrong data-end=\"587\" data-start=\"563\"\u003e4.0 GPM at 4,000 PSI\u003c\/strong\u003e, making it ideal for contractors, fleet washing, construction equipment, agriculture, municipalities, manufacturing facilities, and other demanding continuous-duty cleaning operations.\u003c\/p\u003e\n\u003cp data-end=\"772\" data-start=\"297\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cem\u003eImage shown for illustrative purposes only\u003c\/em\u003e\u003cb id=\"docs-internal-guid-94b58ad7-7fff-f104-14ec-c0d7b4cbe30e\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003chr data-end=\"1339\" data-start=\"1336\"\u003e\n\u003ch1 data-end=\"1366\" data-start=\"1341\" data-section-id=\"1oef6j8\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-end=\"1927\" data-start=\"1368\"\u003e\n\u003cli data-end=\"1418\" data-start=\"1368\" data-section-id=\"11bunoi\"\u003eGenuine Udor OEM gear drive pressure washer pump\u003c\/li\u003e\n\u003cli data-end=\"1440\" data-start=\"1419\" data-section-id=\"yorazl\"\u003eModel: MKC 15\/28-GR\u003c\/li\u003e\n\u003cli data-end=\"1476\" data-start=\"1441\" data-section-id=\"19tw6a9\"\u003eHeavy-duty triplex plunger design\u003c\/li\u003e\n\u003cli data-end=\"1525\" data-start=\"1477\" data-section-id=\"1ddnwfw\"\u003eGear-driven pump for continuous-duty operation\u003c\/li\u003e\n\u003cli data-end=\"1563\" data-start=\"1526\" data-section-id=\"2eg04n\"\u003eDelivers up to 4.0 GPM at 4,000 PSI\u003c\/li\u003e\n\u003cli data-end=\"1621\" data-start=\"1564\" data-section-id=\"e8cdzb\"\u003eLow-speed 1,450 RPM operation for extended service life\u003c\/li\u003e\n\u003cli data-end=\"1685\" data-start=\"1622\" data-section-id=\"ntz3re\"\u003eHollow shaft configuration (specify shaft size when ordering)\u003c\/li\u003e\n\u003cli data-end=\"1728\" data-start=\"1686\" data-section-id=\"45ypb4\"\u003eCompatible with power units up to 16 GHP\u003c\/li\u003e\n\u003cli data-end=\"1770\" data-start=\"1729\" data-section-id=\"1by6zvf\"\u003eEquipped with UD-28 high-pressure seals\u003c\/li\u003e\n\u003cli data-end=\"1804\" data-start=\"1771\" data-section-id=\"18n77eo\"\u003eFeatures UD-30 valve assemblies\u003c\/li\u003e\n\u003cli data-end=\"1857\" data-start=\"1805\" data-section-id=\"n3cabi\"\u003eSmooth, efficient operation with reduced vibration\u003c\/li\u003e\n\u003cli data-end=\"1927\" data-start=\"1858\" data-section-id=\"jq3ai8\"\u003eOEM-quality construction for commercial and industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1932\" data-start=\"1929\"\u003e\n\u003ch1 data-end=\"1960\" data-start=\"1934\" data-section-id=\"zjxypn\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-end=\"1985\" data-start=\"1962\"\u003e\u003cstrong data-end=\"1972\" data-start=\"1962\"\u003eModel:\u003c\/strong\u003e MKC 15\/28-GR\u003c\/p\u003e\n\u003cp data-end=\"2009\" data-start=\"1987\"\u003e\u003cstrong data-end=\"2004\" data-start=\"1987\"\u003eManufacturer:\u003c\/strong\u003e Udor\u003c\/p\u003e\n\u003cp data-end=\"2068\" data-start=\"2011\"\u003e\u003cstrong data-end=\"2028\" data-start=\"2011\"\u003eProduct Type:\u003c\/strong\u003e Gear Drive Triplex Pressure Washer Pump\u003c\/p\u003e\n\u003cp data-end=\"2100\" data-start=\"2070\"\u003e\u003cstrong data-end=\"2092\" data-start=\"2070\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 4.0 GPM\u003c\/p\u003e\n\u003cp data-end=\"2133\" data-start=\"2102\"\u003e\u003cstrong data-end=\"2123\" data-start=\"2102\"\u003eMaximum Pressure:\u003c\/strong\u003e 4,000 PSI\u003c\/p\u003e\n\u003cp data-end=\"2168\" data-start=\"2135\"\u003e\u003cstrong data-end=\"2158\" data-start=\"2135\"\u003eMaximum Pump Speed:\u003c\/strong\u003e 1,450 RPM\u003c\/p\u003e\n\u003cp data-end=\"2198\" data-start=\"2170\"\u003e\u003cstrong data-end=\"2195\" data-start=\"2170\"\u003eGas Horsepower (GHP):\u003c\/strong\u003e 16\u003c\/p\u003e\n\u003cp data-end=\"2243\" data-start=\"2200\"\u003e\u003cstrong data-end=\"2215\" data-start=\"2200\"\u003eShaft Type:\u003c\/strong\u003e Hollow Shaft (Specify Size)\u003c\/p\u003e\n\u003cp data-end=\"2265\" data-start=\"2245\"\u003e\u003cstrong data-end=\"2259\" data-start=\"2245\"\u003eSeal Type:\u003c\/strong\u003e UD-28\u003c\/p\u003e\n\u003cp data-end=\"2288\" data-start=\"2267\"\u003e\u003cstrong data-end=\"2282\" data-start=\"2267\"\u003eValve Type:\u003c\/strong\u003e UD-30\u003c\/p\u003e\n\u003cp data-end=\"2317\" data-start=\"2290\"\u003e\u003cstrong data-end=\"2306\" data-start=\"2290\"\u003eDrive Style:\u003c\/strong\u003e Gear Drive\u003c\/p\u003e\n\u003cp data-end=\"2343\" data-start=\"2319\"\u003e\u003cstrong data-end=\"2339\" data-start=\"2319\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-end=\"2348\" data-start=\"2345\"\u003e\n\u003ch1 data-end=\"2375\" data-start=\"2350\" data-section-id=\"1w7a361\"\u003eCompatible Applications\u003c\/h1\u003e\n\u003cp data-end=\"2434\" data-start=\"2377\"\u003eDesigned for demanding pressure washer systems including:\u003c\/p\u003e\n\u003cul data-end=\"2764\" data-start=\"2436\"\u003e\n\u003cli data-end=\"2472\" data-start=\"2436\" data-section-id=\"6rhofl\"\u003eGear-drive pressure washer systems\u003c\/li\u003e\n\u003cli data-end=\"2502\" data-start=\"2473\" data-section-id=\"1ftw8hk\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-end=\"2532\" data-start=\"2503\" data-section-id=\"l9cydf\"\u003eIndustrial pressure washers\u003c\/li\u003e\n\u003cli data-end=\"2558\" data-start=\"2533\" data-section-id=\"1mv9afl\"\u003eFleet washing equipment\u003c\/li\u003e\n\u003cli data-end=\"2603\" data-start=\"2559\" data-section-id=\"1u7gqpw\"\u003eAgricultural sprayers and cleaning systems\u003c\/li\u003e\n\u003cli data-end=\"2637\" data-start=\"2604\" data-section-id=\"1embcwq\"\u003eConstruction equipment cleaning\u003c\/li\u003e\n\u003cli data-end=\"2669\" data-start=\"2638\" data-section-id=\"skakgo\"\u003eMunicipal wash-down equipment\u003c\/li\u003e\n\u003cli data-end=\"2696\" data-start=\"2670\" data-section-id=\"1i0u86j\"\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli data-end=\"2734\" data-start=\"2697\" data-section-id=\"bxges6\"\u003eContinuous-duty industrial cleaning\u003c\/li\u003e\n\u003cli data-end=\"2764\" data-start=\"2735\" data-section-id=\"mt98dm\"\u003eOEM equipment installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2914\" data-start=\"2766\"\u003eAlways verify the required \u003cstrong data-end=\"2814\" data-start=\"2793\"\u003ehollow shaft size\u003c\/strong\u003e, mounting configuration, horsepower requirements, and pressure\/flow specifications before ordering.\u003c\/p\u003e\n\u003chr data-end=\"2919\" data-start=\"2916\"\u003e\n\u003ch1 data-end=\"2959\" data-start=\"2921\" data-section-id=\"1ebu7jn\"\u003eFunction of the Pressure Washer Pump\u003c\/h1\u003e\n\u003cp data-end=\"2989\" data-start=\"2961\"\u003eThe MKC 15\/28-GR pump helps:\u003c\/p\u003e\n\u003cul data-end=\"3289\" data-start=\"2991\"\u003e\n\u003cli data-end=\"3032\" data-start=\"2991\" data-section-id=\"1f0pk6l\"\u003eDeliver up to \u003cstrong data-end=\"3018\" data-start=\"3007\"\u003e4.0 GPM\u003c\/strong\u003e of water flow\u003c\/li\u003e\n\u003cli data-end=\"3083\" data-start=\"3033\" data-section-id=\"z8nl78\"\u003eGenerate operating pressures up to \u003cstrong data-end=\"3083\" data-start=\"3070\"\u003e4,000 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3149\" data-start=\"3084\" data-section-id=\"aaryz2\"\u003eProvide reliable commercial and industrial cleaning performance\u003c\/li\u003e\n\u003cli data-end=\"3190\" data-start=\"3150\" data-section-id=\"1r1ucc1\"\u003eOperate efficiently at low pump speeds\u003c\/li\u003e\n\u003cli data-end=\"3242\" data-start=\"3191\" data-section-id=\"jdu17g\"\u003eReduce heat buildup, vibration, and internal wear\u003c\/li\u003e\n\u003cli data-end=\"3289\" data-start=\"3243\" data-section-id=\"pmjn3u\"\u003eMaximize equipment uptime and pump longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3439\" data-start=\"3291\"\u003eIts heavy-duty gear-drive triplex design provides exceptional durability and dependable performance in demanding professional cleaning environments.\u003c\/p\u003e\n\u003chr data-end=\"3444\" data-start=\"3441\"\u003e\n\u003ch1 data-end=\"3482\" data-start=\"3446\" data-section-id=\"mqxmo4\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-end=\"3515\" data-start=\"3484\"\u003eReplace the pump if you notice:\u003c\/p\u003e\n\u003cul data-end=\"3745\" data-start=\"3517\"\u003e\n\u003cli data-end=\"3545\" data-start=\"3517\" data-section-id=\"zu24k4\"\u003eReduced operating pressure\u003c\/li\u003e\n\u003cli data-end=\"3568\" data-start=\"3546\" data-section-id=\"1f1izt\"\u003eDecreased water flow\u003c\/li\u003e\n\u003cli data-end=\"3589\" data-start=\"3569\" data-section-id=\"10eqapm\"\u003eWater or oil leaks\u003c\/li\u003e\n\u003cli data-end=\"3617\" data-start=\"3590\" data-section-id=\"rs3f56\"\u003eExcessive operating noise\u003c\/li\u003e\n\u003cli data-end=\"3653\" data-start=\"3618\" data-section-id=\"1b03osi\"\u003eDamaged seals or valve assemblies\u003c\/li\u003e\n\u003cli data-end=\"3687\" data-start=\"3654\" data-section-id=\"1g2txwa\"\u003eCracked or damaged pump housing\u003c\/li\u003e\n\u003cli data-end=\"3713\" data-start=\"3688\" data-section-id=\"16xn7rj\"\u003eExcessive internal wear\u003c\/li\u003e\n\u003cli data-end=\"3745\" data-start=\"3714\" data-section-id=\"1s772py\"\u003ePump failure during operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3832\" data-start=\"3747\"\u003eReplacing a worn pump restores cleaning performance while minimizing costly downtime.\u003c\/p\u003e\n\u003chr data-end=\"3837\" data-start=\"3834\"\u003e\n\u003ch1 data-end=\"3869\" data-start=\"3839\" data-section-id=\"1547z5u\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-end=\"4433\" data-start=\"3871\"\u003e\n\u003cli data-end=\"3946\" data-start=\"3871\" data-section-id=\"1ufg3lh\"\u003eShut down the pressure washer and disconnect the engine before servicing.\u003c\/li\u003e\n\u003cli data-end=\"3977\" data-start=\"3947\" data-section-id=\"s6lqar\"\u003eRelieve all system pressure.\u003c\/li\u003e\n\u003cli data-end=\"4118\" data-start=\"3978\" data-section-id=\"14qmi3\"\u003eVerify compatibility with the required \u003cstrong data-end=\"4040\" data-start=\"4019\"\u003ehollow shaft size\u003c\/strong\u003e, gear-drive configuration, horsepower requirements, and plumbing connections.\u003c\/li\u003e\n\u003cli data-end=\"4186\" data-start=\"4119\" data-section-id=\"a15827\"\u003eInstall the pump according to Udor's installation specifications.\u003c\/li\u003e\n\u003cli data-end=\"4252\" data-start=\"4187\" data-section-id=\"1n8hum4\"\u003eEnsure proper alignment between the pump and gear-drive system.\u003c\/li\u003e\n\u003cli data-end=\"4321\" data-start=\"4253\" data-section-id=\"15y48ap\"\u003eFill the crankcase with the recommended pump oil before operation.\u003c\/li\u003e\n\u003cli data-end=\"4365\" data-start=\"4322\" data-section-id=\"z9jstr\"\u003ePrime the pump with water before startup.\u003c\/li\u003e\n\u003cli data-end=\"4433\" data-start=\"4366\" data-section-id=\"2i5ge8\"\u003eVerify proper operation and inspect for leaks after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"4648\" data-start=\"4435\"\u003e\u003cstrong data-end=\"4449\" data-start=\"4435\"\u003eImportant:\u003c\/strong\u003e Never operate the pump without an adequate water supply. Running the pump dry can quickly damage the plungers, seals, valves, and other internal components, significantly reducing pump service life.\u003c\/p\u003e\n\u003chr data-end=\"4653\" data-start=\"4650\"\u003e\n\u003ch1 data-end=\"4684\" data-start=\"4655\" data-section-id=\"16tfrdt\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"5215\" data-start=\"4686\"\u003e\n\u003cli data-end=\"4782\" data-start=\"4686\" data-section-id=\"djj72g\"\u003eCheck the pump oil level regularly and change the oil according to Udor maintenance schedules.\u003c\/li\u003e\n\u003cli data-end=\"4871\" data-start=\"4783\" data-section-id=\"hqwsgj\"\u003eInspect the \u003cstrong data-end=\"4812\" data-start=\"4797\"\u003eUD-28 seals\u003c\/strong\u003e and \u003cstrong data-end=\"4843\" data-start=\"4817\"\u003eUD-30 valve assemblies\u003c\/strong\u003e during routine maintenance.\u003c\/li\u003e\n\u003cli data-end=\"4935\" data-start=\"4872\" data-section-id=\"1s5lkud\"\u003eMaintain clean, filtered inlet water to reduce internal wear.\u003c\/li\u003e\n\u003cli data-end=\"5005\" data-start=\"4936\" data-section-id=\"jri4n\"\u003eInspect the gear-drive system for proper alignment and lubrication.\u003c\/li\u003e\n\u003cli data-end=\"5071\" data-start=\"5006\" data-section-id=\"amy22g\"\u003eFlush the pump after use when pumping dirty or corrosive water.\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"5215\" data-start=\"5072\" data-section-id=\"1t8gg8f\"\u003eUse only genuine OEM Udor replacement parts and approved lubricants to maintain optimum pump performance, reliability, and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"UDOR","offers":[{"title":"Default Title","offer_id":53449917858155,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/UdorBKseries.jpg?v=1783005330","url":"https:\/\/generalsprayers.com\/products\/bkc-15-30-gr-gear-drive-pressure-washer-pump-4-0-gpm-4000-psi-hollow-shaft","provider":"GeneralSprayers","version":"1.0","type":"link"}