ECHO XL3-D8L

ECHO Cargo Heater Assembly — The Advanced Heating Solution for Temperature-Sensitive Cargo The ECHO Cargo Heater Assembly delivers powerful, engine-independent heat to keep cargo at stable temperatures in every season. Built around the next-generation Ax3 Airtronic heater, it provides fast, even airflow throughout the cargo bay — while the upgraded brushless blower motor and 100,000-cycle ignitor ensure reliable, low-maintenance performance for Class 4–7 trucks. Protect sensitive goods from frost damage, eliminate dependence on engine heat, and reduce wear on your vehicle's coolant system — all in a preassembled, plug-and-play system that cuts field installation time significantly. What's Included Eberspaecher AXL3-D8L Airtronic Heater 8 kW EPRO Controller with advanced diagnostics & communication Brushless Blower Motor 100,000-Cycle Ignitor & Long-Life Burner Chamber Powder-Coated Aluminum Enclosure (UL-approved) Plug-and-Play Wiring Harness Dual Power Converter & Battery Charger (FLA, AGM, LiFePO4) Emergency Stop Mechanism Fresh Air Ducting with return air duct connections Universal Mounting System Shore Power Option — operate the heater on AC shore power when the vehicle is parked or connected to grid power 15 New & Improved Features Next-Generation AXL3-D8L Heater & FMP — unmatched performance and reliability EPRO Controller — enhanced diagnostics, communication, and ease of use Simplified Diagnostics — diagnostic lead connects directly to the HMI box Dual Heater Capability — run two heaters simultaneously for large bays or extreme cold Automatic Altitude Compensation — consistent output at elevation All-Weather UL-Approved Enclosure — protects the HMI in any climate Plug-and-Play Harness — reduced installation complexity Shared Rugged Housing — ECHO 6 & 8 share a durable enclosure design Upgraded Power Converter — efficient power management Multi-Chemistry Battery Charging — FLA, AGM, and LiFePO4 support (ECHO 8) DC-DC Power Conversion — run 24V heaters on 12V battery systems (ECHO 8) Shore Power Option — run on AC grid power when parked, reducing battery draw and fuel consumption Fresh Air Circulation — return air duct connections for livestock or odor-sensitive cargo Emergency Stop — rapid heater shutdown via FMP wire safety mechanism Universal Heater Compatibility — streamlined mounting for 2 kW–8 kW heaters Preassembled System — significant labor savings right out of the box Why the ECHO Assembly? Whether you're retrofitting an existing vehicle or outfitting a new fleet, the ECHO Assembly adapts to your operation. From dual-heater capability and fresh air circulation to automatic altitude compensation, shore power support, and multi-chemistry battery charging — this is cargo heating engineered for the demands of professional fleets. Download the ECHO Assembly Data Sheet (PDF)