Mercury – Active Trim Kit (Without Trim Pad) | Dual Engine | 3.4L V6, 4.6L V8, 150HP FourStroke & OptiMax 150–250HP | 8M0129440

Overview

The Mercury Active Trim Kit (8M0129440) automatically adjusts both engines’ trim through your VesselView display, giving you full SmartCraft control without a separate trim pad. Designed for dual-engine setups, it works with 3.4L V6, 4.6L V8, 150 HP FourStroke, and OptiMax 150–250 HP outboards.

Active Trim constantly adjusts trim based on engine RPM and boat speed, optimizing performance, efficiency, and comfort. It’s fully managed through VesselView 502, 702, or newer displays, or through Lowrance / Simrad units connected via VesselView Link — keeping your helm clean and streamlined.

Key Features

• Display-Controlled Trim System – Operated directly through VesselView or compatible Lowrance / Simrad displays.
• Dual-Engine Auto Trim – Adjusts both engines automatically for balanced performance and smooth handling.
• SmartCraft Integration – Seamlessly connects to your Mercury VesselView system.
• Optimized Performance – Improves acceleration, handling, and fuel efficiency with real-time trim control.
• No Trim Pad Needed – All trim functions are managed through the VesselView interface.
• OEM Quality – Genuine Mercury Marine product built for reliability and factory-grade precision.

Compatibility

• Dual-engine Mercury 3.4L V6, 4.6L V8, 150 HP FourStroke, and OptiMax 150–250 HP outboards
• VesselView 502, 702, or newer displays
• Compatible with VesselView Link connected to Lowrance or Simrad multifunction displays

Performance & Practical Benefits

This Active Trim kit takes all the effort out of trimming dual engines. It automatically fine-tunes both motors for smooth planing, efficient cruising, and precise control at speed. Because it’s controlled entirely through your VesselView display, your dash stays uncluttered while your trim stays perfectly balanced.

Why Buy OEM

Mercury Active Trim systems are designed to work seamlessly with SmartCraft technology. Each kit is factory-tested for accuracy, responsiveness, and long-term reliability — ensuring flawless integration and consistent performance on the water.

FAQ

Q1: How is this system controlled?
All Active Trim functions are managed through your VesselView display or VesselView Link with Lowrance / Simrad screens.

Q2: What engines does this kit support?
It’s made for dual-engine Mercury 3.4L V6, 4.6L V8, 150 HP FourStroke, and OptiMax 150–250 HP outboards.

Q3: Does it integrate with SmartCraft?
Yes — it connects directly into Mercury’s SmartCraft network for plug-and-play operation.

Q4: Does this version include a trim pad?
No — this is the VesselView-controlled version, so no external trim pad is required.

Q5: Is this a genuine Mercury part?
Yes — it’s a factory Mercury Marine Active Trim kit, built to OEM standards.