--- product_id: 75259738 title: "High Performance Alltrax Controller SR-48400 (SERIES Carts ONLY) – EZGO Golf Cart Controller (ITS Throttle) – 36/48V 400 Amp controller – Stock Speed & 20% More Torque" brand: "d&d motor systems" price: "£599.62" currency: GBP in_stock: true reviews_count: 1 url: https://www.desertcart.co.uk/products/75259738-high-performance-alltrax-controller-sr-48400-series-carts-only-ezgo store_origin: GB region: United Kingdom --- # 400 Amp Power Surge 36/48V Dual Voltage Flex 20% More Torque Boost High Performance Alltrax Controller SR-48400 (SERIES Carts ONLY) – EZGO Golf Cart Controller (ITS Throttle) – 36/48V 400 Amp controller – Stock Speed & 20% More Torque **Brand:** d&d motor systems **Price:** £599.62 **Availability:** ✅ In Stock ## Summary > ⚡ Unleash Your EZGO’s Hidden Torque Potential! ## Quick Answers - **What is this?** High Performance Alltrax Controller SR-48400 (SERIES Carts ONLY) – EZGO Golf Cart Controller (ITS Throttle) – 36/48V 400 Amp controller – Stock Speed & 20% More Torque by d&d motor systems - **How much does it cost?** £599.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/75259738-high-performance-alltrax-controller-sr-48400-series-carts-only-ezgo) ## Best For - d&d motor systems enthusiasts ## Why This Product - Trusted d&d motor systems brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Thermal Resilience:** Enhanced heat management means your controller stays cool under pressure, extending lifespan. - • **Made in the USA Quality:** Crafted domestically with premium materials, ensuring reliability and peace of mind. - • **Pre-Programmed Precision:** Works out-of-the-box with your OEM motor, plus USB/Bluetooth tuning for custom tweaks. - • **Plug & Play Power Upgrade:** Seamlessly swap in for instant torque and thermal gains without losing stock speed. - • **Dual Voltage Compatibility:** Optimized for both 36V and 48V EZGO Series motors—flexibility that fits your ride. ## Overview The Alltrax SR-48400 Controller is a high-performance, plug-and-play golf cart controller designed exclusively for EZGO 36/48V Series motors. Delivering up to 400 amps and a 20% torque increase while maintaining stock speeds, it features superior thermal management and flexible programming options via USB or Bluetooth. Made in the USA, this controller enhances your golf cart’s power and durability with easy installation and reliable OEM compatibility. ## Description Performance Specifications Vehicle Speed : 14 MPH Torque Enhancement : +20 % 1. Torque Focus 2. Enhanced thermal characteristics over the standard factory controller and therefore, much less likely to burn up. Note: *** Vehicle performance specs are compared to the standard factory performance. Several factors can effect the performance. Some are battery conditions; tire size, tread type and air pressure; and varying environmental conditions. Standard factory speeds normally run between 12 - 14 MPH!!! All vehicle speeds noted are calculated on flat ground. Adding Larger tires normally adds between 2-3 MPH. DISCLAIMER - BY PROCURING THIS ELECTRIC MOTOR, THE CUSTOMER AGREES THAT THEY HAVE ANSWERED YES TO ALL OF THE QUESTIONS LISTED ABOVE. OTHERWISE NO PRODUCT LIABILITY CAN BE PROVIDED OR ASSUMED. IF YES IS ANSWERED TO THE ABOVE QUESTIONS, THEN THE APPLICATION IS APPROVED BY D&D. ## Features - SR-300 Alltrax Controller – This golf cart controller is for EZGO 36/48V Motors - Series motors only - free programming cable & solenoid brackets included - This Alltrax controller is an economical way to gain enhanced torque & thermal capabilities while maintaining stock speed. (Alltrax Controller) - This Alltrax Controller is usable out of the box (plug and play). It's pre-programmed work with your stock OEM golf cart motor for the Make/Model you have chosen above. Flexible USB or Bluetooth programming is available. (Golf Cart Controller) - To Confirm this Alltrax Controller model is best for your golf cart setup, call us or go to the D&D Motor Systems website and use the "Choosing A Golf Cart Motor Tool" (Alltrax controller ezgo) - No warranty is provided unless we contact you and approve your setup. All Alltrax controllers are MADE IN THE USA (Golf Cart Controller) ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Alltrax Inc. | | Part Number | SR - 400 Amp - 12 to 48 V | | Item Weight | 5 pounds | | Is Discontinued By Manufacturer | No | | Color | Green Option (Blue Controller) | | Material | iron | | Pattern | ITS | | Item Package Quantity | 1 | | Batteries Included? | No | | Batteries Required? | No | ## Images ![High Performance Alltrax Controller SR-48400 (SERIES Carts ONLY) – EZGO Golf Cart Controller (ITS Throttle) – 36/48V 400 Amp controller – Stock Speed & 20% More Torque - Image 1](https://m.media-amazon.com/images/I/71R6rOKkPJL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐ Works great, but no cable sent as advertised *by E***N on August 16, 2022* No cable included --- ## 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.co.uk/products/75259738-high-performance-alltrax-controller-sr-48400-series-carts-only-ezgo](https://www.desertcart.co.uk/products/75259738-high-performance-alltrax-controller-sr-48400-series-carts-only-ezgo) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*