Brophy 7-Way Round Pin Trailer End Plug, Die-Cast Metal Housing
Heavy-duty commercial-grade 7-pole connector designed for livestock, utility, and heavy equipment trailers. A rugged, corrosion-resistant die-cast zinc upgrade for brittle plastic plugs.
Overview
The Brophy R7TD is a premium trailer-side connector built to withstand the rigors of commercial hauling. This heavy-duty metal housing resists crushing and impact damage where standard RV blades often fail. Featuring an integrated cable guard spring for strain relief and high-conductivity brass terminals, this 7-pole connector is a professional-grade replacement for powering trailer lights, brakes, and auxiliary systems on heavy-duty setups.
R&P Service Insight
Maximize the life of your commercial connector with these professional maintenance tips:
- Anti-Corrosion: Apply dielectric grease to pins every 3-6 months to prevent "green crust" oxidation.
- Strain Relief: Ensure the cable guard spring is seated correctly to prevent wire fraying during tight turns.
- Safety First: If you see melted terminals or bent pins, replace immediately to avoid critical brake failure.
R&P Knowledge Hub
Compatibility: Industry-standard 7-pole round pin (SAE J560 style). Fits commercial truck-side sockets including Pollak, Velvac, and Curt styles.
Vehicle / System Fit: Common on semi-trailers, horse/livestock trailers, and heavy utility equipment.
Installation Notes: Verify your wiring diagram; commercial round-pin wiring colors often differ from standard 7-way RV blade configurations.
Performance Insight: Die-cast zinc provides superior longevity in winter climates where road salt quickly degrades standard plastic housings.
Brand & Fitment Note
Selling Brand: Brophy (Distributed by R&P Carriages)
Application Reference: Any OEM or platform names in this listing describe compatibility or application style only (e.g., SAE J560) where supported by industry-standard configurations.
What This Means: This listing is for a Brophy R7TD component designed to replace or upgrade existing commercial trailer-side plugs.
Before Ordering: Please confirm your trailer requires a 7-way ROUND PIN connector. This is fundamentally different from the 7-way RV BLADE style found on light-duty trucks.
R&P Seasonal Care
Maintenance is significantly cheaper than roadside repairs. Follow this schedule to ensure reliability:
- Winter Check: Road salt accelerates corrosion; clean pins and re-apply grease more frequently during snowy months.
- Monthly Test: Test turn signals, brake lights, and backup lights using a second person or a circuit tester.
- Inspection: Check heat shrink and tape annually; heat and humidity can degrade wire protection over time.
Features
Heavy-Duty Housing
Rugged die-cast zinc construction offers superior impact resistance compared to standard plastic plugs.
Cable Guard Spring
Included metal spring provides strain relief, protecting wires from sharp bends and friction wear.
Split-Pin Design
The 7 round pins feature a split design to ensure a firm, secure mechanical fit in the vehicle socket.
Brass Terminals
Interior brass terminals provide excellent electrical conductivity for reliable signal and power transfer.
Specifications
| Specification | Detail |
|---|---|
| Part Number | R7TD |
| Brand | Brophy |
| Product Type | 7-Way Round Pin Plug |
| Application | Trailer Side (Male End) |
| Material / Finish | Die-Cast Zinc / Brass Terminals |
| Configuration | 7-Pole Round Pin |
| Fitment | Universal Commercial Type |
Fitment / Application
| Category | Details |
|---|---|
| Trailer Type | Livestock, Utility, Equipment |
| Primary Fit | 7-Way Round Commercial Sockets |
| Interchange | Pollak, Velvac, Curt 7-Way Round |
| Notes | Will NOT fit standard 7-way flat RV blade sockets. Verify pin style. |
Included Components
| Quantity | Item |
|---|---|
| 1 | Brophy R7TD Die-Cast 7-Way Round Pin Plug |
| 1 | Protective Metal Cable Guard Spring |
| 1 | Internal Terminal Block with Screws |
