DISCLAIMER
This is a digital STL file. No physical product will be shipped.
All sales are final. Due to the nature of digital downloads, no refunds or exchanges are offered.
This is an original Tremendous Marine RC digital design and is not affiliated with, endorsed by, or associated with any real-world boat manufacturer.

TMRC Merc Pro 400 V3 Outboard — STL Pack

The next evolution of the TMRC outboard lineup is here.

Introducing the TMRC Merc Pro 400 V3 STL Pack — engineered as a direct bolt-on upgrade for the TMRC 3660 V3 platform and designed specifically around the proven TFL lower unit setup.

This version features a redesigned mounting structure for improved rigidity, cleaner fitment, and better long-term durability under high-power setups.

Built for serious RC offshore applications.

What’s Included

• Merc Pro 400 V3 cowling

• Updated V3 midsection

• Swivel bracket components

• Integrated mounting hardware locations

• Trim-compatible architecture

• Direct bolt-on compatibility with TMRC 3660 V2 system

• STL files for 3D printing

Technical Specifications

• Motor Compatibility: 3660 Brushless Water-Cooled Setup

• Lower Unit Compatibility: TFL Lower Unit

• Drive Shaft Length: 44.3 mm, 4 mm stainless shaft

• Lower Unit Mounting Hardware: 55 mm M2 screws

• Steering/Swivel Bolt: M3 x 80 mm

• Platform: Direct bolt-on to existing TMRC V2 system

Recommended Print Settings

• Material: PETG / ASA / ABS

• Walls: 5 walls

• Infill: 5% 3D Honeycomb

• Hardware: Heat inserts strongly recommended

• Increase infill around high-stress mounting areas if running aggressive setups

Designed For

• High-performance RC center consoles

• Catamarans

• Offshore race builds

• Twin, triple, quad, and quint outboard setups

• Scale replica projects

Important Disclaimer

This is a digital STL file pack only.
No physical product will be shipped.

Files are intended for personal use only. Redistribution, resale, sharing, or commercial resale of the files or printed parts is prohibited.

TMRC is not affiliated with Mercury Marine.
This product is an independently designed RC-inspired component intended for hobby use.

Due to the digital nature of this product, all sales are final and non-refundable.

TMRC
Handcrafted performance.
Built by enthusiasts, for enthusiasts.

Stay Tremendous.