TMRC Merc Pro 400 V3 Outboard — STL Pack

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.