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With a 2-inch diameter opening, this 5th wheel trailer lock fits virtually any 2-inch king pin. Versatile. For your convenience, two keys are included with this 5th wheel lock. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.


Strong deterrent - the last thing a trailer thief wants to see is a heavy duty Vulcan king pin lock. Heavy duty construction - the solid steel cuff and kingpin lock are extremely difficult to defeat and engineered specifically for maximum tamper resistance.
The forged locking pin is incredibly strong, and cannot be disengaged without the key to the lock. Includes fluorescent tag - each lock includes a fluorescent warning tag on 12" chain for extra safety. It is physically impossible for the trailer to connect with a 5th wheel while the lock is engaged, and the heavy duty steel lock covers the entire king pin for total security. This lock is designed to last for years and years and can be moved from trailer to trailer depending on your security needs. Each set includes a slide bolt lock and two keys.



High quality material: the trailer lock is made of solid steel pipe and plate. Easy to install: push and lock the kingpin lock, 2 steps to Fit on king pin in seconds and keep safe always.

In addition, it works well for most traveler trailer entry doors. Secure keyless rv handle: if you're looking for a way to secure your valuables as you travel with loved ones in the family trailer or camper, this programmable keyless handle is just what you need.
You can also get other security equipment for your RV’s interior, such as storage locks, making it easy to have all the doors keyed alike for convenience. It replaces standard handles of about 3. 75” x 2. 75” x 1. 5 and will draw less attention because it is more compact. We build the highest quality trailer security products on the market to give our customers a greater sense of security, ergonomics, RVLock has enjoyed bringing innovation, and style.


Easy to install: this kingpin lock fits on king pin in seconds and keep safe always. It is extremely difficult to defeat and engineered specifically for maximum security.
High security:the heavy duty king pin lock stops theft while it's engaged, the steel lock covers the entire king pin for total security. And the bright yellow color has strong visible warning. It is impossible for the trailer to connect with a 5th wheel while the lock is installed.

Two keys included. This unique 5th wheel hitch lock installs tight against the base rails for a perfect, streamlined fit. To protect your 5th wheel hitch from theft while it is left unattended, this 5th wheel base rail lock has a high-strength steel pin and aluminum body.
1. CURT
#ad
CURT 23255 5th Wheel Trailer Lock for 2-Inch King Pin
#adCURT #ad - This 5th wheel lock easily installs on the king pin of your 5th wheel trailer, preventing it from being coupled to a 5th wheel hitch. Easy to operate. Watertight.With a 2-inch diameter opening, this 5th wheel trailer lock fits virtually any 2-inch king pin. Versatile. For your convenience, two keys are included with this 5th wheel lock. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.
More information #ad
Two keys included. To protect your 5th wheel trailer from theft while it is left unattended, this 5th wheel lock is made with a high-strength steel pin and an aluminum bracket. The internal components of this 5th wheel base rail lock can easily be protected from the elements with the included watertight dust cap. Dependable security.Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 3 Inches |
Length | 6 Inches |
Weight | 0.1 Pounds |
Width | 5.5 Inches |
Part Number | 23255 |
Model | 23255 |
Warranty | Manufacturer Warranty |
More information #ad
2. Trimax
#ad
Trimax Ultra Tough 5Th Wheel Trailer Lock Rugged Powder Coat Finish in Bright Yellow TFW55, Blister Packaging
#adTrimax #ad - Trimax corporation is the world’s leading lock manufacturer providing customers’ high quality products through innovative design.More information #ad
Brand | Trimax #ad |
Manufacturer | Trimax #ad |
Height | 1.73 Inches |
Length | 0.87 Inches |
Weight | 0.1 Pounds |
Width | 3.03 Inches |
Part Number | TFW55 |
Model | TFW55 |
Warranty | n/a |
More information #ad
3. VULCAN
#ad
VULCAN King Pin Trailer Hitch Lock, Heavy Duty Chromed Steel, Works with RVs and Class 8 Trailers
#adVULCAN #ad - Prevents unauthorized trailer movement - the heavy duty king pin lock stops theft of any big rig or RV trailer by preventing the king pin from mating with a 5th wheel. Once the would-be thief sees the lock they will almost always move on to an easier target. Vulcan is known for providing some of the hardest lock systems to defeat in the world, and the king pin lock is no exception.Strong deterrent - the last thing a trailer thief wants to see is a heavy duty Vulcan king pin lock. Heavy duty construction - the solid steel cuff and kingpin lock are extremely difficult to defeat and engineered specifically for maximum tamper resistance.
More information #ad
Extremely durable - the heavy duty steel cuff and lock cylinder have a high gloss stainless steel finish to resist the elements. Each warning tag has caution information in both English and French. The forged locking pin is incredibly strong, and cannot be disengaged without the key to the lock. Includes fluorescent tag - each lock includes a fluorescent warning tag on 12" chain for extra safety. It is physically impossible for the trailer to connect with a 5th wheel while the lock is engaged, and the heavy duty steel lock covers the entire king pin for total security. This lock is designed to last for years and years and can be moved from trailer to trailer depending on your security needs. Each set includes a slide bolt lock and two keys.
Brand | VULCAN #ad |
Manufacturer | VULCAN #ad |
Weight | 2.5 Pounds |
Part Number | KPL002 |
Model | 5823930239 |
More information #ad
4. Master Lock
#ad
For Fifth Wheel Couplers, Wheel Pin Lock
#adMaster Lock #ad - Auto & truck Maintenance. Stainless steel swivel head lock body. Simple design that prevents tow away theft. Manufacturer: mASTER LOCK. Solid steel lock bracket construction combined with swivel head lock. Powder coated steel bracket resists corrosion. Country of manufacture: China.More information #ad
Brand | Master Lock #ad |
Manufacturer | MASTER LOCK #ad |
Height | 2 Inches |
Length | 9 Inches |
Weight | 1.55 Pounds |
Width | 7 Inches |
Part Number | 2999DAT |
Model | 2999DAT |
Warranty | 1 year manufacturer |
More information #ad
5. RoadPro
#ad
RoadPro RPKPSL3 Standard Duty King Pin Lock with 2 Keys
#adRoadPro #ad - Plastic florescent warning tag on plastic 12 inch chain. Slide bolt lock cylinder with 2 keys. Prevents theft of trailers by prohibiting fifth wheel from engaging king pin.More information #ad
3. 25 inch diameter x 3 inch height and 1/8 inch thick. Bolt designed for sheer strength, carbon steel pipe construction with zinc coating.Brand | RoadPro #ad |
Manufacturer | RoadPro #ad |
Height | 3 Inches |
Length | 4.5 Inches |
Weight | 1.88 Pounds |
Width | 4.5 Inches |
Part Number | RPKPSL3 |
Model | RPKPSL3 |
More information #ad
6. KAYCENTOP
#ad
Heavy Duty Fifth Kingpin Lock Steel 5Th Wheel Security Anti Theft King Pin Lock with Highly Visible Red Caution Tag Great Deterrent for Trailers Tractor Rv
#adKAYCENTOP #ad - High security: the heavy duty king pin lock stops theft while it's engaged, the heavy duty steel lock covers the entire king pin for total security. The forged locking pin is extremely strong, and cannot be removed without the key to the lock.High quality material: the trailer lock is made of solid steel pipe and plate. Easy to install: push and lock the kingpin lock, 2 steps to Fit on king pin in seconds and keep safe always.
More information #ad
Caution tag: our new design anti theft 5th wheel kingpin lock is with an additional caution tag with great deterrent for trailers Tractor Rv. Unique plate design: our new design anti theft kingpin lock with an additional steel plate for more security than normal design. The bright red color has strong visible warning.Brand | KAYCENTOP #ad |
Manufacturer | KAYCENTOP #ad |
Height | 3.2 Inches |
Length | 5.9 Inches |
Width | 5.9 Inches |
Part Number | L3011 |
More information #ad
7. RVLock
#ad
RV/5th Wheel Lock Accessories, RVLock Key Fob and RH Compact Keyless Entry Keypad
#adRVLock #ad - Fits most trailers: we have designed our innovative keyless lock technology to fit campers, bumper-pull style, 5th wheel, horse, and cargo style trailers. Peace of mind for any journey: this innovative technology is just the rv accessory you need to enjoy your vacation. Now you can bring valuables along with you on your trip without worrying about a burglary.In addition, it works well for most traveler trailer entry doors. Secure keyless rv handle: if you're looking for a way to secure your valuables as you travel with loved ones in the family trailer or camper, this programmable keyless handle is just what you need.
More information #ad
Variety of features: our compact lock comes with a variety of useful features, mechanical keys, 4 aa batteries, integrated keypad with your choice of over 1 million possible rolling codes, including a keyless handle, a remote fob add up to 10, and an easy 10-minute installation. You can also get other security equipment for your RV’s interior, such as storage locks, making it easy to have all the doors keyed alike for convenience. It replaces standard handles of about 3. 75” x 2. 75” x 1. 5 and will draw less attention because it is more compact. We build the highest quality trailer security products on the market to give our customers a greater sense of security, ergonomics, RVLock has enjoyed bringing innovation, and style.
Brand | RVLock #ad |
Manufacturer | RVLock #ad |
Part Number | RVLMiniRH-2 |
More information #ad
8. WAR-LOK
#ad
Heavy Duty Conical Trailer King Pin Lock
#adWAR-LOK #ad - Our lock lock is long lasting and dependable. Deflects the fifth wheel plate of a thief tractor. Lost keys can be replaced, if registered with manufacturer. Perfect to secure truck, boat, and RV trailers. Convenient handle included Made of cast steel.More information #ad
Designed for dropped/untethered trailers. Lock exterior: the cast steel King Pin Lock is nearly impenetrable. Protects expensive cargo stored in a dropped trailer from a would-be thief tractor. Number listed on key tag needed. Conical shape. Rotating disk lock Technology; This is not your typical lock.Brand | WAR-LOK #ad |
Manufacturer | WAR-LOK #ad |
Part Number | 857711005110 |
More information #ad
9. OKLEAD
#ad
OKLEAD Heavy Duty Steel Kingpin Lock 5th Wheel Trailer King Pin Lock with Bright Yellow Caution Tag 2 Keys Pin Φ 13mm
#adOKLEAD #ad - High quality material: the 5th kingpin lock is made of solid steel pipe, not casting. Nique new design: our new design kingpin lock is with an additional steel bottom for higher security than normal design.Easy to install: this kingpin lock fits on king pin in seconds and keep safe always. It is extremely difficult to defeat and engineered specifically for maximum security.
More information #ad
The forged locking pin is extremly strong, and cannot be removed without the key to the lock. Pack:this 5th wheel kingpin lock includes 1 lock, 2 keys and 1 reminding plastic pad. Once the would-be thief sees the lock they will almost always move on to an easier target. High security:the heavy duty king pin lock stops theft while it's engaged, the steel lock covers the entire king pin for total security. And the bright yellow color has strong visible warning. It is impossible for the trailer to connect with a 5th wheel while the lock is installed.
Brand | OKLEAD #ad |
Manufacturer | OKLEAD #ad |
Height | 3.27 Inches |
Length | 5.94 Inches |
Weight | 3.11 Pounds |
Width | 5.94 Inches |
Part Number | L3011-L3002 |
Model | 13 |
More information #ad
10. CURT
#ad
CURT 23256 5th Wheel Base Rail Lock, 1/2-Inch Pin Diameter, Fits All Industry-Standard Rails
#adCURT #ad - With an extra-long 1/2-inch diameter pin, this 5th wheel rail lock fits any industry-standard 5th wheel rails. The internal components of this 5th wheel base rail lock can easily be protected from the elements with the included watertight dust cap.Two keys included. This unique 5th wheel hitch lock installs tight against the base rails for a perfect, streamlined fit. To protect your 5th wheel hitch from theft while it is left unattended, this 5th wheel base rail lock has a high-strength steel pin and aluminum body.
More information #ad
It also uses a simple 1/8-turn lock activation for convenient locking and unlocking as needed. Highly versatile. Easy to operate. For your convenience, two keys are included with this 5th wheel lock. Watertight. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Dependable security.Brand | CURT #ad |
Manufacturer | CURT Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 1.96 Pounds |
Width | 2 Inches |
Part Number | 23256 |
Model | 23256 |
Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
More information #ad