Mon–Fri 9:00 AM–5:00 PM CST  |  Sat 9:00 AM–3:00 PM  |  Sun Closed  |  Call or Text 815-357-3292  •  Free Shipping on Most Orders  •  Real-Time Rates When Applicable  •  Upgrade Delivery at Checkout  |  Ships Next Business Day Monday–Friday  |  We install what we sell — parts backed by real trailer service.  |  Need fitment help? Send us your trailer part photos and we will help you match it right.  |  How are we doing? Leave a review → Mon–Fri 9:00 AM–5:00 PM CST  |  Sat 9:00 AM–3:00 PM  |  Sun Closed  |  Call or Text 815-357-3292  •  Free Shipping on Most Orders  •  Real-Time Rates When Applicable  •  Upgrade Delivery at Checkout  |  Ships Next Business Day Monday–Friday  |  We install what we sell — parts backed by real trailer service.  |  Need fitment help? Send us your trailer part photos and we will help you match it right.  |  How are we doing? Leave a review →
FAMILY OWNED & OPERATED

The R&P Knowledge Hub

The R&P Knowledge Hub is a complete trailer systems curriculum built from real-world customer questions, installation mistakes, diagnostic failures, and field experience. Every module below exists to eliminate guesswork and prevent costly errors.

Identification & Fitment

Axle Tag & VIN Decoding — Identify axle manufacturer, rating, and brake type
Bolt Pattern Measurement — 4, 5, 6, and 8 lug identification methods
Bearing & Seal Identification — Match inner/outer bearings correctly
2K–8K vs 10K+ Axle Differences — Structural and bearing variations
Brake Size Matrix (7", 10", 12")

Load Theory & Safety Compliance

Tongue Weight Distribution & Balance Theory
Overloading Consequences & Warning Signs
Breakaway System Requirements
DOT Lighting & Reflector Placement Basics
When You Should Not Tow — Red Flag Conditions

Installation & System Setup

Suspension Kit Installation Protocol — Hanger spacing & torque sequence
Mobile Home Conversion Kit Installation
Brake Burnishing Procedure
Electric vs Hydraulic Conversion Guide
Torque Specifications & Re-Torque Intervals
Replace Components in Pairs — Why It Matters
Warranty Void Scenarios

Diagnostics & Failure Analysis

Electric Brake Diagnostics — Magnet testing & isolation
Hydraulic Brake Pump Diagnostics
Hub Noise & Overheating Analysis
Uneven Tire Wear Diagnosis
Brake Lockup or Weak Braking Causes
Voltage Drop & Ground Failure Testing
Bearing Failure Autopsy & Heat Patterns
Grinding, Vibration & Pulling Under Braking

Maintenance Doctrine

Annual Trailer Inspection Checklist
Pre-Trip Safety Checklist
Bearing Service Intervals (Recreational vs Fleet)
Seasonal Storage Preparation
Greasing Techniques & Best Practices
Bearing Seating & Preload Adjustment
Service Warning Signs & Early Failure Indicators

Upgrade & Rebuild Pathways

When to Upgrade to 8-Lug Systems
Rebuild vs Replace Axle Decision Guide
“Don’t Throw Away That Axle” Rebuild Logic
Choosing the Correct Kit Configuration

Orders, Shipping & Selection

Shipping Options & Transit Times — Freight vs Parcel
Tracking Your Order
Incorrect or Damaged Items — Resolution Process
Common Ordering Mistakes & How to Avoid Them
What Happens After You Place an Order
Behind-the-Scenes Packaging Standards