{"product_id":"komatsu-125-70-31381-pin-km-125-70-31381","title":"Komatsu 125-70-31381 Pin","description":"Alternate Part #1257031381\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e \u003cp\u003eThe 125-70-31381 pin is an essential component of Komatsu machinery, designed to provide a secure and reliable connection between various parts. Made with precision and durability in mind, this pin ensures optimal performance and longevity for your equipment.\u003c\/p\u003e \u003cp\u003eCrafted from high-quality materials, the 125-70-31381 pin offers exceptional strength and resistance to wear and tear. Its robust construction guarantees that it can withstand the demanding conditions of heavy-duty applications, ensuring maximum productivity and efficiency.\u003c\/p\u003e \u003cp\u003eThis pin is meticulously engineered to meet the strict standards set by Komatsu, a renowned manufacturer of construction and mining equipment. With its precise dimensions and flawless design, it seamlessly integrates into the machinery, facilitating smooth operations and minimizing downtime.\u003c\/p\u003e \u003cp\u003eWhether you are replacing a worn-out pin or performing routine maintenance, the 125-70-31381 pin is the perfect choice to ensure the optimal functioning of your Komatsu equipment. Its compatibility with various models and easy installation make it a convenient and reliable solution for your needs.\u003c\/p\u003e \u003cp\u003eTrust in the 125-70-31381 pin to deliver exceptional performance and longevity, backed by Komatsu's reputation for excellence. Invest in this high-quality pin and experience improved efficiency, reliability, and durability in your operations.\u003c\/p\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003eKomatsu 125-70-31381 Pin Specifications \u0026amp; Fitment\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eWhat it is:\u003c\/strong\u003e Heavy-equipment pin designed for tight-tolerance pivot joints where wear control and alignment matter.\u003c\/p\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003ePart number:\u003c\/strong\u003e 125-70-31381\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eSKU:\u003c\/strong\u003e KM-125-70-31381\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eTypical use:\u003c\/strong\u003e Boom\/arm\/bucket linkages, work equipment pivots, and high-wear joints.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eKey measurements to confirm\u003c\/h3\u003e \u003cp\u003eTo ensure correct fit, match the following measurements to your machineTMs worn component or OEM spec:\u003c\/p\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003eInside Diameter (ID):\u003c\/strong\u003e ___\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eOutside Diameter (OD):\u003c\/strong\u003e ___\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eOverall Length:\u003c\/strong\u003e ___\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eQuality notes\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003eDesigned for consistent clearance and long service life when installed with proper lubrication.\u003c\/li\u003e   \u003cli\u003eReplace pins and bushings as a set when wear is uneven to prevent premature failure.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation tip\u003c\/h3\u003e \u003cp\u003eMeasure the bore, pin, and bushing after press-fit. Use proper tooling and lubrication, and re-check end-play after assembly.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eNeed help confirming dimensions?\u003c\/em\u003e Send your machine model and the measurements above and weTMll verify fitment.\u003c\/p\u003e \u003ch3\u003eKomatsu maintenance notes (quick guide)\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003e \u003cstrong\u003eEarly-life greasing:\u003c\/strong\u003e For excavators, Komatsu guidance calls for greasing work equipment pins every 10 hours for the first 50 hours, and greasing again after water work.\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eClearance control:\u003c\/strong\u003e Komatsu linkage manuals commonly specify pinbushing clearance targets and a typical service limit around 1.0 mm for many joints, often managed with shims.\u003c\/li\u003e   \u003cli\u003e \u003cstrong\u003eTracked machines:\u003c\/strong\u003e For undercarriage track joints, pin\/bushing turning is condition- and wear-window dependent; abrasive sites can accelerate wear substantially.\u003c\/li\u003e \u003c\/ul\u003e","brand":"WQC","offers":[{"title":"Default Title","offer_id":42590956257376,"sku":"KM-125-70-31381","price":226.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2922\/4032\/files\/komatsu-parts-worldwide_c5ade96e-1ee9-4851-8d72-c47d71436f9c.png?v=1771621799","url":"https:\/\/wqcparts.com\/products\/komatsu-125-70-31381-pin-km-125-70-31381","provider":"WQC PARTS","version":"1.0","type":"link"}