{"product_id":"pto-pin-14-x-4-inch-wire-lock-zinc-plated-trailer-coupler-silver-ox-ramp","title":"1\/4\" x 4\" Zinc-Plated Wire Lock PTO Pin — Trailer Coupler \u0026 Silver Ox Ramp Pin (Each)","description":"\u003ch3\u003eZinc-Plated Wire Lock PTO Pin — 1\/4\" × 4\" (Sold Individually)\u003c\/h3\u003e\n\u003cp\u003eA heavy-duty \u003cstrong\u003e1\/4\" × 4\" zinc-plated wire lock pin\u003c\/strong\u003e built for trailer couplers, PTO shafts, and ramp retention. The longer 4\" shaft makes these the go-to choice for applications that need extra reach — including securing side-fold ramps on \u003cstrong\u003eSilver Ox trailers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eConstructed from 316 heavy-duty carbon steel with a \u003cstrong\u003edouble-layer zinc-plated finish\u003c\/strong\u003e, these pins offer excellent corrosion resistance and lasting durability in outdoor, agricultural, and towing environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📐 Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Diameter\u003c\/td\u003e\n\u003ctd\u003e1\/4\" (6.35mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Length\u003c\/td\u003e\n\u003ctd\u003e4\" (100mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e316 Heavy-Duty Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eDouble-Layer Zinc Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLock Type\u003c\/td\u003e\n\u003ctd\u003eSquare Wire Lock (Spring-Loaded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e20 Pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSilver \/ Zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e🔍 Two Key Uses on Your Trailer\u003c\/h2\u003e\n\u003ch3\u003e✔ Trailer Coupler Pin\u003c\/h3\u003e\n\u003cp\u003eSlides through the coupler latch to prevent accidental uncoupling during tow. The spring-loaded wire loop locks securely without tools — insert, snap closed, done. The 4\" length provides ample engagement depth on standard ball couplers, pintle hooks, and adjustable trailer jacks.\u003c\/p\u003e\n\u003ch3\u003e✔ Silver Ox Side-Fold Ramp Retention Pin\u003c\/h3\u003e\n\u003cp\u003eThe 1\/4\" × 4\" dimension is the \u003cstrong\u003eOEM-spec size for securing side-fold ramps on Silver Ox trailers\u003c\/strong\u003e. These pins drop directly into the ramp hinge bracket receiver, holding the ramp securely in the upright position during transport. Stocking a few extra is strongly recommended — these are easy to misplace and a missing ramp pin is a failed inspection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e💪 Key Features\u003c\/h2\u003e\n\u003ch3\u003e✔ Double-Layer Zinc Plating\u003c\/h3\u003e\n\u003cp\u003eTwo coats of zinc provide superior rust and corrosion protection vs. single-coat alternatives — engineered for outdoor, year-round use on trailers exposed to road salt, moisture, and UV.\u003c\/p\u003e\n\u003ch3\u003e✔ Spring-Loaded Wire Lock\u003c\/h3\u003e\n\u003cp\u003eSelf-locking mechanism secures automatically on insertion. No separate clip, cotter pin, or tool required. Quick to release when needed — just compress the loop and withdraw.\u003c\/p\u003e\n\u003ch3\u003e✔ 4\" Length — Longer Reach\u003c\/h3\u003e\n\u003cp\u003eAt 4\" total length, these pins work in applications where standard 2-3\/4\" or 3\" pins fall short. Extra shaft length provides a secure grip in deeper receiver holes and ramp brackets.\u003c\/p\u003e\n\u003ch3\u003e✔ 316 Carbon Steel Construction\u003c\/h3\u003e\n\u003cp\u003eHeavy-duty alloy resists bending under shear loads. Rated for trailer couplers, PTO shaft connections, gate latches, and agricultural implement attachments.\u003c\/p\u003e\n\u003ch3\u003e✔ Buy What You Need\u003c\/h3\u003e\n\u003cp\u003eSold individually — order exactly the quantity you need. Stock up for a fleet or grab a single replacement. Add multiples to your cart to build your own quantity.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚛 Compatible Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTrailer coupler latch pins (ball coupler, adjustable coupler, pintle hook)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSilver Ox trailer side-fold ramp retention pins (OEM spec)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePTO shaft connection pins\u003c\/li\u003e\n\u003cli\u003eThree-point hitch pins\u003c\/li\u003e\n\u003cli\u003eTrailer jack wheel pins\u003c\/li\u003e\n\u003cli\u003eGate latches and agricultural implement attachment pins\u003c\/li\u003e\n\u003cli\u003eBoat trailer, utility trailer, dump trailer hardware\u003c\/li\u003e\n\u003cli\u003eLawn tractor and garden equipment attachments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🚛 In Stock \u0026amp; Ready to Ship\u003c\/h2\u003e\n\u003cp\u003eKeep your ramps up and your couplers locked — order as many as you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📞 Call\/Text: 517-225-1991 🌐 AAATrailer.com\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e🔄 \u003cstrong\u003eCross Reference \/ Alternate Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1\/4 x 4 trailer coupler pin | 1\/4\" PTO pin | wire lock pin 4 inch | Silver Ox ramp pin | trailer hitch safety pin 4\" | single trailer coupler pin\u003c\/p\u003e","brand":"AAA Trailer","offers":[{"title":"Default Title","offer_id":52864694485301,"sku":"PTO-025-4IN-EA","price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9144\/0181\/files\/pto-pin-14x4-20pack-zinc-plated-trailer-coupler-silver-ox-ramp.jpg?v=1778510048","url":"https:\/\/aaatrailer.com\/products\/pto-pin-14-x-4-inch-wire-lock-zinc-plated-trailer-coupler-silver-ox-ramp","provider":"AAA Trailer","version":"1.0","type":"link"}