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Stirling 4 x 8ft. Galvalume Kit Trailer with Side Rails, Ramps and Plank Floor
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Item # 2536441
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Online Only
Item # 2536441
Save 10% on select trailers
Buy online and Pickup in Store
Valid 5/15/2026 - 7/5/2026
This item is available online only
Delivery to
For delivery, this item requires a Big & Bulky handling fee.
Neighbor’s Club Members earn points with purchases.
The Stirling 4' x 8' Rail Side Kit Trailer provides added bed length and integrated rail sides to safely haul longer or bulkier items. Delivered as a complete DIY kit, it includes all frame components, rail sides, flooring, hardware, and clear assembly instructions. Constructed with corrosion-resistant Galvalume Plus steel, this rail side trailer delivers long-term durability and reliable performance. The finished floor and rail sides help keep cargo contained during transport, making it well suited for yard work, equipment hauling, and recreational tasks. Ramps included.
For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.
Looking for more information on trailer? Check out our tips for buying a trailer in the product documents section.
- Galvalume Plus steel offers twice the protection of traditional galvanized steel
- EZ Lube hubs provide ease of maintenance and added bearing protection
- A-Frame Tongue for strength and added stability
- Side rails ship 95% assembled for quick setup
- Galvalume plank floor
- Galvalume ramps
- 1 Year Warranty against manufacturing defects
- DOT approved and highway rated
| Brand | Stirling |
|---|---|
| Country of Origin | Imported |
| Approximate Trailer Size (W x L) ft. | 4 x 8 |
| Axle Size | 1,500 lb. |
| Empty Weight | 345 lb |
| Floor Material | Galvanized/aluminum |
| Frame Material | Galvanized/aluminum |
| Gate Length | 20 in |
| Gate Width | 4 ft. |
| Gross Vehicle Weight Rating | 1,230 lb. |
| Hitch Type | 1-Ball |
| Trailer Load Capacity lb. | 0 - 1999 |
| Number of Axles | 1 |
| Number Of Ramps | 2 |
| Ramp Type | Back |
| Rear Door Style | None |
| Tire Size | 8 in. |
| Tongue Length | 38 in. |
| Tongue Type | V-Tongue |
| Trailer Bed Length | 8 ft |
| Trailer Bed Width | 4 ft |
| Trailer Features | Highway Rated, Removable Ramp, DOT Approved, Rust/Corrosion Resistant, Steel Floor, Ramp Included |
| Trailer Max Load Capacity lb. (Carrying Capacity) | 885 |
| Warranty | 1 Year Warranty against manufacturing defects |
| Manufacturer Part Number | 505021 |
Q: How can I be certain that #505021 Stirling 4 x 8ft. Galvalume Kit Trailer with Side Rails, Ramps and Plank Floor will be eligible for registration and licensing in New York State?
28 days ago- A: Hi DrTJVet, We have been successfully selling our Stirling Kit Trailers in the USA for many years. Our customers have registered them without issue. If you have more questions please reach out directly at support@westbrooktrailers.com ~~ Westbrook Trailers Team26 days agoHelpful?
Q: what size is hitch receiver
4 months ago- A: Hi Jimbo, Thanks for your question, and we apologize for the delayed response we previously had an issue with review notifications that impacted our ability to reply in a timely manner. This trailer uses a 1-7/8" ball coupler. -Westbrook Trailer Support Teama month agoHelpful?
Q: What’s the smallest size that you have for this trailer kit? I am looking to haul a small go kart.
4 months ago- A: Thanks for your question! The smallest size we offer for our kit trailer is 4x4. We also have 4x6, 4x8, and 5x8 options available. Depending on the specifications of your go kart, we’re confident one of these sizes would work great for your needs. – Westbrook Trailers Team4 months agoHelpful?
Q: Can I put 12 inch tires on this trailer?
5 months ago- A: Hi there Matt, Yes, you can upgrade your 4 x 6ft Kit Trailer with 12" tires but please note you will need to also upgrade the fenders. If you have any other questions please reach out to us directly at support@westbrooktrailers.com. ~~ Westbrook Trailers Team5 months agoHelpful?
Q: What size ball does the trailer fit on? what size receiver and class hitch can I tow this trailer with?
5 months ago- A: Hi there Matt, The Stirling 4x8ft Kit Trailer is fitted with a 1 7/8" COUPLER CLASS I-FITS 2" CHANNEL. A 1 7/8" ball is required. If you need any further information please reach out directly to us at support@westbrooktrailers.com. ~~ Westbrook Trailers Team5 months agoHelpful?
Q: What size ball does the trailer fit on?
5 months ago- A: Hi there Matt, The Stirling 4x8ft Kit Trailer is fitted with a 1 7/8" COUPLER CLASS I-FITS 2" CHANNEL. If you need any further information please reach out directly to us at support@westbrooktrailers.com. ~~ Westbrook Trailers Team5 months agoHelpful?
Q: Can i get this in a 4x6? If so what is the sku#
a year ago- A: Hi Bhamm, At this moment we don't have a 4x6 with rails available, but there is one coming with side rails and floor mid May, hopefully you can wait for it and get the one you want. Thank you - Westbrook Trilers Teama year agoHelpful?
Q&As
Q: How can I be certain that #505021 Stirling 4 x 8ft. Galvalume Kit Trailer with Side Rails, Ramps and Plank Floor will be eligible for registration and licensing in New York State?
28 days ago- A: Hi DrTJVet, We have been successfully selling our Stirling Kit Trailers in the USA for many years. Our customers have registered them without issue. If you have more questions please reach out directly at support@westbrooktrailers.com ~~ Westbrook Trailers Team26 days agoHelpful?
Q: what size is hitch receiver
4 months ago- A: Hi Jimbo, Thanks for your question, and we apologize for the delayed response we previously had an issue with review notifications that impacted our ability to reply in a timely manner. This trailer uses a 1-7/8" ball coupler. -Westbrook Trailer Support Teama month agoHelpful?
Q: What’s the smallest size that you have for this trailer kit? I am looking to haul a small go kart.
4 months ago- A: Thanks for your question! The smallest size we offer for our kit trailer is 4x4. We also have 4x6, 4x8, and 5x8 options available. Depending on the specifications of your go kart, we’re confident one of these sizes would work great for your needs. – Westbrook Trailers Team4 months agoHelpful?
Q: Can I put 12 inch tires on this trailer?
5 months ago- A: Hi there Matt, Yes, you can upgrade your 4 x 6ft Kit Trailer with 12" tires but please note you will need to also upgrade the fenders. If you have any other questions please reach out to us directly at support@westbrooktrailers.com. ~~ Westbrook Trailers Team5 months agoHelpful?
Q: What size ball does the trailer fit on? what size receiver and class hitch can I tow this trailer with?
5 months ago- A: Hi there Matt, The Stirling 4x8ft Kit Trailer is fitted with a 1 7/8" COUPLER CLASS I-FITS 2" CHANNEL. A 1 7/8" ball is required. If you need any further information please reach out directly to us at support@westbrooktrailers.com. ~~ Westbrook Trailers Team5 months agoHelpful?
Q: What size ball does the trailer fit on?
5 months ago- A: Hi there Matt, The Stirling 4x8ft Kit Trailer is fitted with a 1 7/8" COUPLER CLASS I-FITS 2" CHANNEL. If you need any further information please reach out directly to us at support@westbrooktrailers.com. ~~ Westbrook Trailers Team5 months agoHelpful?
Q: Can i get this in a 4x6? If so what is the sku#
a year ago- A: Hi Bhamm, At this moment we don't have a 4x6 with rails available, but there is one coming with side rails and floor mid May, hopefully you can wait for it and get the one you want. Thank you - Westbrook Trilers Teama year agoHelpful?
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We’re sorry to hear that you’ve had difficulty reaching us and understand how frustrating that can be. We were unable to identify your inquiry based on the information provided in the review, so we would appreciate a few additional details to ensure we are looking into the correct inquiry and can better assist you.
We take customer support seriously and always want to help resolve any concerns as quickly as possible. While we do monitor some online channels, we do not currently provide customer support through Twitter/X, Reddit, or LinkedIn messaging, so it’s possible your message may have been sent through a channel we do not actively monitor for service requests.
Customers can reach our Customer Care team directly by phone at 866-857-1445 or by email at support@westbrooktrailers.com. Our office hours are Monday Friday, 8:00 AM to 4:00 PM Eastern Time.
Please feel free to contact us directly with your trailer model and any previous correspondence so we can look into your concerns and assist you further. We appreciate your feedback and the opportunity to help.
- Westbrook Support Team
Stirling 4x8 trailer
Westbrook Trailers Support Team
Galvalume Trailer