--- product_id: 535899099 title: "Trans-Zero 20W-50 Full Synthetic Hydrostatic Transmission Oil | for Zero-Turn, Riding, and Stand-On Lawn Mowers | Unrivaled Year-Round Protection (1 Gallon)" brand: "triax" price: "$249.33" currency: USD in_stock: true reviews_count: 13 category: "Triax" url: https://www.desertcart.ec/products/535899099-trans-zero-20w-50-full-synthetic-hydrostatic-transmission-oil-zero store_origin: EC region: Ecuador --- # -50°F pour point ensures all-season reliability 20W-50 viscosity for robust protection 3× longer fluid life with anti-wear zinc chemistry Trans-Zero 20W-50 Full Synthetic Hydrostatic Transmission Oil | for Zero-Turn, Riding, and Stand-On Lawn Mowers | Unrivaled Year-Round Protection (1 Gallon) **Brand:** triax **Price:** $249.33 **Availability:** ✅ In Stock ## Summary > 🛠️ Power your mower’s heart with the ultimate transmission oil—because every cut counts! ## Quick Answers - **What is this?** Trans-Zero 20W-50 Full Synthetic Hydrostatic Transmission Oil | for Zero-Turn, Riding, and Stand-On Lawn Mowers | Unrivaled Year-Round Protection (1 Gallon) by triax - **How much does it cost?** $249.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/535899099-trans-zero-20w-50-full-synthetic-hydrostatic-transmission-oil-zero) ## Best For - triax enthusiasts ## Why This Product - Trusted triax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Service Life:** Oxidation-resistant and corrosion-proof for up to 3× longer intervals—cut downtime, boost productivity. - • **All-Season Performance:** From freezing mornings to scorching afternoons, trust unmatched fluid stability and protection. - • **High-Zinc Wear Defense:** Advanced anti-wear formula keeps gears smooth and mower speed consistent under heavy loads. - • **Simplified Fleet Management:** Replaces all 20W-50+ OEM fluids, streamlining your mower maintenance inventory effortlessly. - • **Universal OEM Compatibility:** Seamlessly fits top zero-turn and stand-on mower brands for hassle-free maintenance. ## Overview TRIAX Trans-Zero 20W-50 is a full synthetic hydrostatic transmission oil engineered for zero-turn, riding, and stand-on lawn mowers. It offers broad OEM compatibility, true all-season stability with a -50°F pour point, and enhanced zinc anti-wear protection. Designed to extend fluid life up to three times longer than standard oils, it ensures smooth, reliable mower performance across diverse terrains and conditions. ## Description Buy TRIAX Trans-Zero 20W-50 Full Synthetic Hydrostatic Transmission Oil | for Zero-Turn, Riding, and Stand-On Lawn Mowers | Unrivaled Year-Round Protection (1 Gallon): Transmission Fluids - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Fantastic oil for sealed zero turn z46 mustang - I used this oil to replace my sealed ezt 2200 axles on zero turn , z46 mustang , my mower sounds and rides so much better now , quicker, power restored , and smoother , better than day number one. Review: Price litle high But Good quality - fit the standard , easy to use compatable eith my zero turn , synthetic ## Features - Broad OEM Compatibility: Compatible with leading zero-turn and stand-on mower brands, including Ariens, Bad Boy, Cub Cadet, Dixie Chopper, EverRide, Exmark, Ferris, Gravely, Husqvarna, Hustler, John Deere, SCAG, Snapper Pro, Toro, Walker, and Wright. - Direct OEM Fluid Replacement: Replaces all OEM hydrostatic transmission and drivetrain fluids that require a 20W-50 or higher-viscosity grade, simplifying inventory and servicing across mixed mower fleets. - True All-Season Stability: Delivers reliable performance from cold starts to extreme heat with a -50°F pour point, outstanding high-temperature stability, virtually zero deposits, and exceptional resistance to shear. - High-Zinc Wear Protection: Elevated zinc anti-wear chemistry prevents gear scuffing and glazing, maintaining mower speed and ensuring flawless hydrostatic operation in tall grass, uneven terrain, and heavy loads. - Extended Service Life: Superior oxidation resistance, high film strength, and corrosion protection prevent metal-to-metal contact and extend fluid life up to 3× longer than OEM oils, making it ideal for high-hour commercial use and long storage intervals. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C74Y4CK1 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #5,778 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #137 in Mower Parts & Accessories | | Brand | Triax | | Brand Name | Triax | | Compatible with Vehicle Type | Lawn Mower | | Container Type | Bottle | | Customer Reviews | 4.8 out of 5 stars 1,241 Reviews | | Liquid Volume | 3.79 liters | | Manufacturer | Triax Lubricants LLC | | Manufacturer Part Number | HYD20W50 | | Model Number | HYD20W50 | | Number of Packs | 1 | | Package Information | Bottle | | SAE J300 Viscosity Grade | 20W-50 | | Size | 1 Gallon | | UPC | 850023978073 | | Vehicle Service Type | Lawn Mower | | Viscosity Level | Medium to High | ## Product Details - **Brand:** Triax - **Liquid Volume:** 3.79 liters - **Package Information:** Bottle - **SAE J300 Viscosity Grade:** 20W-50 - **Vehicle Service Type:** Lawn Mower ## Images ![Trans-Zero 20W-50 Full Synthetic Hydrostatic Transmission Oil | for Zero-Turn, Riding, and Stand-On Lawn Mowers | Unrivaled Year-Round Protection (1 Gallon) - Image 1](https://m.media-amazon.com/images/I/71jRGI45mbL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fantastic oil for sealed zero turn z46 mustang *by J***R on June 28, 2026* I used this oil to replace my sealed ezt 2200 axles on zero turn , z46 mustang , my mower sounds and rides so much better now , quicker, power restored , and smoother , better than day number one. ### ⭐⭐⭐⭐⭐ Price litle high But Good quality *by J***N on July 25, 2026* fit the standard , easy to use compatable eith my zero turn , synthetic ### ⭐⭐⭐⭐⭐ Major improvement in operation. *by S***C on May 11, 2026* Well worth the cost. I have a Cub Cadet commercial zero turn and the Hydrogear drive units have been noisy since new. I have changed the fluid and filters several times and used different brands of fluid. This TRIAX fluid is amazing, I changed to it yesterday morning and then mowed my 1 acre yard and the difference in noise level and smoothness was just astounding. I am sold on it forever now. My son is going to order some for both of his ZT's because he is having the same issues with noise and sluggish operation after getting hot. I will be looking into other products made by TRIAX as well. ## Frequently Bought Together - TRIAX Trans Zero 20W-50 Full Synthetic Hydro-Static Transmission Oil for Zero-Turn Mowers (1 Gallon) - Hydro Gear 52114 Pack of 2 Spin-On Oil Filters --- ## 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.ec/products/535899099-trans-zero-20w-50-full-synthetic-hydrostatic-transmission-oil-zero](https://www.desertcart.ec/products/535899099-trans-zero-20w-50-full-synthetic-hydrostatic-transmission-oil-zero) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-08-25*