--- product_id: 366930303 title: "Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates" brand: "onthefly jack plates" price: "€ 1222.53" currency: EUR in_stock: true reviews_count: 9 category: "Onthefly Jack Plates" url: https://www.desertcart.hr/products/366930303-adjustable-manual-boat-jack-plate-high-grade-marine-aluminum-standard store_origin: HR region: Croatia --- # 5.5-inch max lift height Quick manual adjustment Supports up to 30hp motors Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates **Brand:** onthefly jack plates **Price:** € 1222.53 **Availability:** ✅ In Stock ## Summary > 🛥️ Elevate your boating game—adjust on the fly, dominate every wave! ## Quick Answers - **What is this?** Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates by onthefly jack plates - **How much does it cost?** € 1222.53 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/366930303-adjustable-manual-boat-jack-plate-high-grade-marine-aluminum-standard) ## Best For - onthefly jack plates enthusiasts ## Why This Product - Trusted onthefly jack plates brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Peace of Mind Warranty:** Backed by a 3-year housing and 1-year jack warranty—reliability you can trust. - • **Universal Compatibility:** Perfectly supports outboard motors up to 30hp—ideal for a wide range of boats. - • **DIY-Friendly Installation:** Get on the water faster with simple, step-by-step instructions anyone can follow. - • **Built to Brave the Elements:** Crafted from high-grade marine aluminum and stainless steel for unmatched durability. - • **Effortless On-the-Water Adjustments:** Raise or lower your motor in seconds without leaving the helm. ## Overview The Adjustable Manual Boat Jack Plate by On The Fly Jack Plates offers quick, on-the-water motor height adjustments with a maximum lift of 5.5 inches. Made from premium marine aluminum and stainless steel, it supports outboard motors up to 30hp and features easy DIY installation. Designed for durability and backed by a 3-year housing warranty, this jack plate ensures reliable performance for shallow water and versatile boating needs. ## Description Product description On The Fly Jack Plate - Standard Manual Jack Plate ACCESSORIES NOT INCLUDED Transom mounting accessories are not included in purchase. On The Fly Jack Plates recommends 4 each ½”- 3 1/2” long bolts – stainless steel 4 each ½”- lock nuts – stainless steel 8 each 1/2’”-flat washers – stainless steel Motor Clamp Spacers Boost your boat’s performance with On The Fly Jack Plates . Designed for skiffs, jon boats, and small fishing boats, our manual jack plates make it easy to adjust your outboard motor height while on the water. With quick, hassle-free adjustments, you’ll gain better speed, fuel efficiency, and shallow water access. Whether you’re chasing fish in skinny water or running wide open, a jack plate helps your boat perform at its best. Built tough and made for everyday use, On The Fly Jack Plates give you control, convenience, and performance you can count on. Easy on-the-water adjustments Improve handling, speed, and efficiency Perfect for small skiffs, jon boats, and shallow water fishing Take your boat to the next level with On The Fly Jack Plates – the reliable choice for anglers who want performance and simplicity. Review: How practical, simple and safe it is and how well they have improved it. - It seems to me a good product for what it was designed for, it also has the option in the future if you want to easily fit an engine with an interior that they sell on desertcart to use automatically to each person's taste or paying less than if you buy it already with everything, I have not mounted it yet because it is a project but soon I will transmit my experience but my expectation is the best, I will use it with a Mercury 20 HP manual 20" leg, in addition the seller is very accessible for any help and very cordial Review: A+++ - Worked as designed ## Features - Fastest manual jack plate on the market - Raise and lower your motor in seconds with quick and easy adjustments to make your boating experience effortless. - On-the-water adjustability - Make changes to your motor position at any time, even while on the water. Quickly adapt to any situation and make the most of your time on the water. - Ideal for a wide range of boats - Supports up to 30hp motors without factory trim and tilt. - Durable design - Made with high-quality materials and construction, this jack plate is built to last. Enjoy peace of mind with a 3-year warranty on the housing and 1-year warranty on the jack. - Simple installation - With included DIY instructions, installation is quick and easy. Whether you're a seasoned boater or a DIY enthusiast, this jack plate is designed for effortless installation. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09DGSS3DD | | Best Sellers Rank | #123,470 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #27 in Boat Trailer Jacks | | Brand | ONTHEFLY JACK PLATES | | Brand Name | ONTHEFLY JACK PLATES | | Color | Grey | | Compatible with Vehicle Type | Trailer | | Customer Reviews | 4.2 out of 5 stars 82 Reviews | | EU Spare Part Availability Duration | 3 Years | | Item Dimensions | 15 x 15 x 6 inches | | Item Weight | 23 Pounds | | Load Capacity | 150 Pounds | | Manufacturer | On The Fly Jack Plates | | Material | Aluminum , Stainless Steel | | Material Type | Aluminum, Stainless Steel | | Maximum Lifting Height | 5.5 Inches | | Minimum Height | 4.25 Inches | | Style Name | Utilitarian | | UPC | 860006428105 | | Vehicle Service Type | Trailer | ## Product Details - **Brand:** ONTHEFLY JACK PLATES - **Load Capacity:** 150 Pounds - **Material:** Aluminum, Stainless Steel - **Maximum Lifting Height:** 5.5 Inches - **Vehicle Service Type:** Trailer ## Images ![Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates - Image 1](https://m.media-amazon.com/images/I/51wLcIYXfbL.jpg) ![Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates - Image 2](https://m.media-amazon.com/images/I/61i6XVg3GeL.jpg) ![Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates - Image 3](https://m.media-amazon.com/images/I/61e1j6miXkL.jpg) ![Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates - Image 4](https://m.media-amazon.com/images/I/61btP5tP0WL.jpg) ![Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates - Image 5](https://m.media-amazon.com/images/I/61HehXDHv2L.jpg) ## Questions & Answers **Q: Hello, does this come with motor clamp spacers? And also does it come with the stainless mounting hardware?** A: No, you I ordered clamp spacers and mounting hardware from on the fly **Q: Is the bolt pattern BIA?** A: This model does not have the standard BIA bolting pattern. Our new model will though. We just ordered materials and will start production soon. Once everything is ready to go we will upload it onto Amazon. Thanks! - John **Q: How much does the 30 hp Jack plate weigh?** A: Hello, our smaller standard unit up to 30hp weighs in right around 23 pounds. **Q: I heard that you stopped answering phone calls and you offer no product support and dont hold true to any warranty. Why? when i read up its all online** A: Hello, That is not true. Please feel free to call me at (850) 345-1523 at anytime and if I can’t answer I will most certainly call you back. In regards to our warranty, we have never not warrantied one of our products and I love helping customers out when it comes to product support. Thank you, John Wood ## Customer Reviews ### ⭐⭐⭐⭐⭐ How practical, simple and safe it is and how well they have improved it. *by R***Z on April 10, 2025* It seems to me a good product for what it was designed for, it also has the option in the future if you want to easily fit an engine with an interior that they sell on Amazon to use automatically to each person's taste or paying less than if you buy it already with everything, I have not mounted it yet because it is a project but soon I will transmit my experience but my expectation is the best, I will use it with a Mercury 20 HP manual 20" leg, in addition the seller is very accessible for any help and very cordial ### ⭐⭐⭐⭐⭐ A+++ *by L***N on April 14, 2026* Worked as designed ### ⭐⭐⭐⭐⭐ Jack plate *by D***N on May 15, 2026* Arrived on time and very happy with the product. ## Frequently Bought Together - Adjustable Manual Boat Jack Plate – High Grade Marine Aluminum – Standard Unit - for up to 30hp Outboard Motors – by On The Fly Jack Plates - Deecaray BK-1-DP Jack Plate Bolt Kit - Partial Thread - Coarse Thread, Suitable for Mounting Outboard to Jack Plate & Mounting Jack to Motor - Nylon Spacers (M6) 6mm-0.24” Hole, Diameter 0.79” Depths 0.59” 0.39” 0.20” --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/366930303-adjustable-manual-boat-jack-plate-high-grade-marine-aluminum-standard](https://www.desertcart.hr/products/366930303-adjustable-manual-boat-jack-plate-high-grade-marine-aluminum-standard) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-21*