B&W Tow & Stow Adjustable Trailer Hitch Ball Mount – 3" Receiver, Dual Ball (2" & 2-5/16"), 7.5" Drop | TS30040B
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The B&W Tow & Stow Adjustable Trailer Hitch Ball Mount TS30040B is engineered for heavy-duty trucks equipped with 3" receivers, delivering the same legendary Tow & Stow versatility in a high-capacity package. Rated for an impressive 21,000 lbs gross towing weight and 2,100 lbs tongue weight, this adjustable ball mount handles everything from equipment trailers to gooseneck-weight loads on Class V hitches.
The 7.5" drop makes it ideal for lifted trucks and higher receiver heights, keeping your trailer level for safer towing and reduced coupler wear. With dual hitch balls (2" and 2-5/16"), you can tow virtually any bumper-pull trailer without ever swapping hardware — simply rotate the ball assembly to switch ball sizes.
B&W's signature stowable design rotates the entire ball platform underneath your vehicle when not in use, eliminating the shin-busting hazard of a protruding hitch and keeping it clear of garage doors. The integrated anti-theft channel prevents removal of the ball platform while the mount is installed in the receiver.
Constructed from high-strength American-made steel with a two-layer corrosion defense — e-coat primer plus ironclad black powder coat — this mount is built to outlast years of harsh jobsite and recreational use. Manufactured in Humboldt, Kansas, meets SAE J-684 standards, and backed by B&W's Limited Lifetime Warranty.
Key Features
- 3" Receiver Compatibility – Designed for Class V and heavy-duty truck hitches
- 7.5" Drop / 7" Rise – Adjustable height for level towing on lifted or stock trucks
- Dual Hitch Balls – 2" and 2-5/16" balls included for multiple trailer types
- 21,000 lb GTW Capacity – Handles serious equipment, car haulers, and large trailers
- Stowable Under Vehicle – Ball platform rotates underneath when not towing
- Built-In Anti-Theft – Platform cannot be removed while mount is locked in receiver
- Dual Corrosion Protection – E-coat + ironclad black powder coat finish
- Stainless Steel Pins – Corrosion-resistant adjustment hardware
- Made in the USA – Manufactured in Humboldt, Kansas
- Lifetime Warranty – B&W Limited Lifetime Warranty included
Specifications
| Specification | Details |
|---|---|
| Brand | B&W Trailer Hitches |
| Model / Part Number | TS30040B |
| Receiver Size | 3 in |
| Ball Sizes | 2 in & 2-5/16 in |
| Drop | 7.5 in |
| Rise | 7 in |
| Gross Trailer Weight (GTW) | 21,000 lbs |
| Tongue Weight (TW) | 2,100 lbs |
| Finish | Ironclad Black Powder Coat |
| Adjustment Pins | Stainless Steel |
| Standard | SAE J-684 |
| Warranty | Limited Lifetime |
| Country of Origin | United States |
Typical Applications
This heavy-duty 3" receiver ball mount is ideal for:
- Lifted pickup trucks (F-250, F-350, Ram 2500/3500, Silverado HD, Sierra HD)
- Equipment trailers and flatbeds
- Car haulers
- Dump trailers
- Livestock and stock trailers
- Large cargo and utility trailers
- RVs and fifth-wheel-adjacent bumper pulls
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