Updated: 23 Feb 2025

trailer industries

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Updated: 23 Feb 2025

#1

Best Choice
Proven Industries Model 2516-AS Trailer Lock, Fits (1997-2019) 2 5/16-Inch Airstream Couplers, Made in The USA (Blue)

9.7

Proven Industries

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Main highlights

UNIQUE KEY DESIGN: This trailer lock has a special key design that prevents lockpicking. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key.

TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, hammers, bolt cutters, and crowbars on your lock.

HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. This strong coupler lock fits select 2 5/16-inch Airstream trailer couplers and will keep your trailer secure.
#2

Value for Money
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog or Ram Trailer Couplers, Made in The USA, (Blue)

9.6

Proven Industries

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Main highlights

UNIQUE KEY DESIGN: This trailer lock has a special key design that prevents lockpicking. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key.

TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, hammers, bolt cutters, and crowbars on your lock.

HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. This strong coupler lock fits select 2-inch Ram or BullDog trailer couplers and will keep your trailer secure.
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#3
Proven Industries Model 2516 Trailer Lock, Fits 2 5/16-Inch Couplers, Secures Safety Chains, Made in The USA, (Black)

9.3

Proven Industries

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Why we love it

Our coupler lock fits select 2 5/16 inch trailer couplers to help keep your trailer secure.

The locking parts on this device are constructed from hardened steel for increased security.

The exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock.

Main highlights

UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key.

TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock.

HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure.
#4
Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Secures Safety Chains, Made in The USA, (Blue)

9.1

Proven Industries

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Why we love it

Heavy duty security

Hardened steel construction

Unique key design

Main highlights

Key Features
Hardened steel construction, unique key design prevents picking, and patented design secures S-hook safety chains. Made in the USA for superior security.

Ideal Use Cases
Perfect for protecting trailers and campers with 2-inch couplers against theft, especially in areas prone to burglary or when left unattended for long periods.

Customer Praise
Reviewers consistently highlight the lock`s robustness and the peace of mind provided by the anti-theft features and unique key system as top benefits.
#5
Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 2, (Blue)

9.0

Proven Industries

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Why we love it

Heavy duty: Secure belongings trailer.

Tough material: Resistant to picking corrosion.

Unique key: Prevents picking copying.

Main highlights

Key Features and Benefits
Crafted from pick-resistant 6061 solid aluminum, featuring a hidden shackle design and a unique, non-duplicable key for maximum security.

Ideal Use Cases
Perfect for securing rear and side enclosed trailer doors, resistant to corrosion and tampering, offering peace of mind for travelers and transporters.

Customer Reviews Highlight
Most praised for its robust construction and effectiveness in deterring theft, users appreciate the added security and convenience of keyed-alike locks.
#6
Proven Industries Coupler Latch Pin Lock, Stainless Steel, Fits Most Coupler Styles, Stainless Steel, Made in The USA, Model 651

8.8

Proven Industries

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Main highlights

UNIQUE KEY DESIGN: This latch pin lock has a special key design that prevents lockpicking. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key.

LATCH PIN LOCK: Our stainless steel latch pin lock is compatible with multiple popular trailer coupler styles. The pin diameter is 1/4" with a 7/8" span.

HEAVY-DUTY LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. This strong coupler latch pin lock will keep your trailer secure.
#7
Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue)

8.7

Proven Industries

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Main highlights

UNIQUE KEY DESIGN: Our puck locks have a special key design that prevents lockpicking and deters would-be thieves from making a copy of your lock keys. Each lock comes with 2 keys, and all keys are keyed alike for your convenience.

TOUGH PUCK LOCKS: These padlock cylinders are constructed from aircraft-grade 6061 solid aluminum, so they’re resistant to picking and corrosion. Each lock features a hidden and fully shielded shackle that protects against bolt cutters and prying tools.

HEAVY-DUTY PUCK LOCKS: It’s important to do everything you can to protect your belongings and your trailer from being stolen. Our strong and pick-resistant puck locks help keep your rear and side enclosed trailer doors secure.
#8
Proven Industries Model 2517-B1 Trailer Lock, Fits Specific 2 5/16-Inch Bulldog Trailer Couplers with a Trigger Latch, Made in The USA, (Blue)

8.5

Proven Industries

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Main highlights

TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, hammers, bolt cutters, and crowbars on your lock.

HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer from being stolen. This strong coupler lock fits select 2 5/16-inch BullDog trailer couplers with a trigger latch to keep your trailer secure.

CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will mount only on specific BullDog couplers with trigger latches. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
#9
Vevor 12V/DC Hydraulic Pump 15 Quart/ 3.9 Gallon Double Acting Metal Reservoir Hydraulic Pump Unit Remotely Controlled for Dump Trailer: Industrial & Scientific

8.3

VEVOR

-28%

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Main highlights

【SAFETY ASSURANCE】- The electric hydraulic pump is built to last, and the tank has been specifically designed to not crack & leak under harsh conditions.

【HIGH QUALITY MATERIAL FOR LONGEVITY】- This hydraulic power unit full high quality construction with high strength and hardness. Good wear resistance, durable in use.

【FAST START】- The high-quality hydraulic pump ensures a fast start every time and a long using period, Reduce labor intensity, improve hydraulic trailer pump work efficiency.

-28%
#10
Proven Industries Model 2178-A Trailer Lock, Fits 2-Inch Yoke-Latch Trailer Couplers, Secures Safety Chains, Made in The USA, (Black)

8.2

Proven Industries

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Main highlights

UNIQUE KEY DESIGN: This trailer lock has a special key design that prevents lockpicking. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key.

TOUGH LOCK: The locking parts on this device are constructed from hardened 1/4-inch steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, bolt cutters, hammers, and crowbars on your lock.

HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. This strong coupler lock fits select 2-inch yoke-latch trailer couplers and will keep your trailer secure.

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trailer industries

Proven Industries Model 2516-AS Trailer Lock, Fits (1997-2019) 2 5/16-Inch Airstream Couplers, Made in The USA (Blue)

9.7

Main highlights

Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog or Ram Trailer Couplers, Made in The USA, (Blue)

9.6

Main highlights

Proven Industries Model 2516 Trailer Lock, Fits 2 5/16-Inch Couplers, Secures Safety Chains, Made in The USA, (Black)

9.3

Why we love it

Main highlights

Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Secures Safety Chains, Made in The USA, (Blue)

9.1

Why we love it

Main highlights

Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 2, (Blue)

9.0

Why we love it

Main highlights

Proven Industries Coupler Latch Pin Lock, Stainless Steel, Fits Most Coupler Styles, Stainless Steel, Made in The USA, Model 651

8.8

Main highlights

Proven Industries Model 400XL Puck-Lock Set, Made in The USA, Pack of 3, (Blue)

8.7

Main highlights

Proven Industries Model 2517-B1 Trailer Lock, Fits Specific 2 5/16-Inch Bulldog Trailer Couplers with a Trigger Latch, Made in The USA, (Blue)

8.5

Main highlights

Vevor 12V/DC Hydraulic Pump 15 Quart/ 3.9 Gallon Double Acting Metal Reservoir Hydraulic Pump Unit Remotely Controlled for Dump Trailer: Industrial & Scientific

8.3

Main highlights

Proven Industries Model 2178-A Trailer Lock, Fits 2-Inch Yoke-Latch Trailer Couplers, Secures Safety Chains, Made in The USA, (Black)

8.2

Main highlights

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