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Description
CTO-3800X BRAKE DRUM (FRONT, 15.00" X 4")Technical Specifications Part Type Brake Drum (Lowboy Drop Deck) Industry Number 3800X (Gunite) 61527B (Webb) Brake Size 12. 25" x 7. 5" (12. 25 in Diameter x 7. 5 in Width) Mounting Type Hub Pilot (Unimount) Outboard Overall Depth 8. 29" (Approx 210mm) Bolt Pattern 10 Holes on 11. 25" Circle (Standard Semi Truck Pattern) Pilot Hole 8. 78" Weight ~75 lbs (34 kg) Cross References Brand Part Number CTO CTO 3800X Automann 145. 3800X ConMet 10009938
Technical Specifications
| Part Type | Brake Drum (Lowboy / Drop Deck) |
| Industry Number | 3800X (Gunite) / 61527B (Webb) |
| Brake Size | 12.25" x 7.5" (12.25 in Diameter x 7.5 in Width) |
| Mounting Type | Hub Pilot (Unimount) / Outboard |
| Overall Depth | 8.29" (Approx 210mm) |
| Bolt Pattern | 10 Holes on 11.25" Circle (Standard Semi Truck Pattern) |
| Pilot Hole | 8.78" |
| Weight | ~75 lbs (34 kg) |
Cross References
| Brand | Part Number |
|---|---|
| CTO | CTO-3800X |
| Automann | 145.3800X |
| ConMet | 10009938 |
| Durabrake | 3800X |
| Gunite (Accuride) | 3800X (Original), 3800 |
| KIC | 60020 |
| Meritor | 85-123824 |
| Webb Wheel | 61527B, 61527 |
Application & Identification
| Typical Application | |
| Lowboy Trailers, Drop Deck, Machinery Transport. Uses 17.5" Tires. |
|
| Compatible Brake Shoe | |
| FMSI 4705 (12.25" x 7.5") | |
|
???? PRO TIP - The "Donut" Drum: This drum is often called the "Donut" because it has a huge center hole (standard semi-truck pilot) but a very small braking surface diameter (12.25"). This disproportionate look is the easiest way to identify it. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great quality
Size: 71"W x 86"L (Pack of 1), Color: White
Love all the dk height options , good quality material I would definitely order again
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Reviewed in the United States on May 10, 2026
★★★★★ 4
Recommended
Size: 71"W x 66"L (Pack of 1), Color: Cream
The best shower curtain you can get! Easy to wash, great looking, it’s thick enough to take a safe shower! Doesn’t get smelly at all! Easy to install butttt be careful be used it doesn’t come with the hangers! I didn’t know that, and it was not clear for me in the description
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Reviewed in the United States on December 6, 2025
★★★★★ 5
Great Find!
Size: 71"W x 66"L (Pack of 1), Color: Cream
I remodeled my bathroom and chose the Waffle Weave shower curtain in a cream color. I'm very pleased the product, especially the texture. It really polishes off my new look.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Great product at a great price
Size: 71"W x 72"L (Pack of 1), Color: White
excellent product at reasonable and fair price
very good value
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Reviewed in the United States on April 14, 2026
★★★★★ 5
High end hotel look
Size: 71"W x 86"L (Pack of 1), Color: White
Nice looking- hangs nicely- crisp clean look
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Reviewed in the United States on May 16, 2026