R&P Carriages STC-RP Universal Spare Tire Mount Bracket for 4, 5, 6 & 8 Lug Trailer Wheels
Universal spare tire carrier built by R&P Carriages for common trailer spare wheel applications. Designed for trailer owners who need one mount that can work with multiple lug patterns where measurements, wheel depth, frame height, and clearance match.
Image Gallery
Scroll horizontally to view installed examples, mounting angles, wheel pattern references, and detail photos.
Overview
The STC-RP Universal Spare Tire Mount is an R&P Carriages-built spare tire carrier for trailers using common 4 lug, 5 lug, 6 lug, and 8 lug wheel patterns. The wheel mounting plate is slotted to support multiple bolt patterns, making it a practical option for trailer owners with mixed trailer setups or common spare wheel configurations.
This mount is supplied as raw oily steel and should be cleaned and painted before use. It includes the tire carrier bracket, matching bracket / clamp plate, and two 1/2" stud bolts with nuts for wheel mounting. Bolts for mounting the bracket to the trailer frame are not included.
R&P Service Insight
A spare tire mount only helps when the spare is secure, accessible, and matched to the wheel you actually carry. This carrier is built for practical trailer use where more than one common lug pattern may need to be supported.
- Pattern Flexibility: Slotted plate supports multiple common trailer wheel bolt patterns.
- Frame Check: Frame mount plate is for trailer frames up to 5" tall.
- Finish Prep: Raw steel should be cleaned and painted before final installation.
R&P Knowledge Hub
Compatibility: Designed for common trailer spare wheel applications using 4 lug, 5 lug, 6 lug, or 8 lug wheels where measurements, bolt pattern, wheel depth, and clearance match.
Listed Bolt Patterns: 5x4.5", 5x4.75", 5x5.0", 5x5.5", 6x5.5", and 8x6.5". Also supports 4 lug applications where the wheel and mounting points match.
Frame Fit: Frame mount plate is made for trailer frames up to 5" tall and includes the matching bracket / clamp plate.
Important Limit: Not compatible with dually wheels or tire / wheel combinations over 5" deep.
Brand & Fitment Note
Selling Brand: R&P Carriages
Application Reference: This listing is for a universal trailer spare tire mount intended for compatible trailer wheel and frame applications where the measurements, mounting location, and clearance match.
What This Means: This listing is for an R&P Carriages spare tire mount, not a vehicle-specific OEM spare tire carrier.
Before Ordering: Verify wheel bolt pattern, wheel depth, trailer frame height, mounting location, clearance, and included components before installation.
R&P Repair Insight
Before ordering, confirm the wheel bolt pattern, trailer frame height, mounting location, wheel depth, and available clearance. This carrier is flexible, but it still needs the correct mounting surface and wheel clearance for the trailer.
- Wheel Depth: Mount is about 5" deep.
- Dually Warning: This spare tire mount is not for dually wheels.
- Frame Bolts: Bolts to mount the bracket to the trailer frame are not included.
Features
Universal Lug Pattern Design
Slotted wheel mounting plate supports common 4 lug, 5 lug, 6 lug, and 8 lug trailer spare wheel applications where pattern and clearance match.
Heavy Slotted Plate
Wheel mounting plate is built with a heavy slotted design for the listed bolt pattern range.
Bracket / Clamp Plate Included
Includes the matching bracket / clamp plate for compatible frame-mount applications up to 5" tall.
Raw Steel for Custom Finish
Supplied as raw oily steel so it can be cleaned, prepped, and painted before installation.
Specifications
| Specification | Detail |
|---|---|
| Part Number | STC-RP |
| Brand | R&P Carriages |
| Product Type | Universal trailer spare tire mount |
| Application | Trailer spare wheel mounting |
| Material / Finish | Raw oily steel; clean and paint before use |
| Frame Fit | Trailer frames up to 5" tall |
| Wheel Depth | About 5" deep |
| Dually Wheel Fit | Not compatible with dually wheels |
Fitment / Application
| Category | Details |
|---|---|
| Wheel Types | 4 lug, 5 lug, 6 lug, and 8 lug trailer wheels where measurements match |
| 5 Lug Patterns | 5x4.5", 5x4.75", 5x5.0", 5x5.5" |
| 6 / 8 Lug Patterns | 6x5.5" and 8x6.5" |
| Notes | Confirm wheel depth, frame height, mounting location, and clearance before installation. Not compatible with dually wheels. |
Included Components
| Quantity | Item |
|---|---|
| 1 | Mounting bracket with tire carrier |
| 1 | Bracket / clamp plate |
| 2 | 1/2" stud bolts with nuts for wheel mounting |
| Not included | Bolts for mounting bracket to trailer frame |




























