Homepage  >  Find My Lock  >  Locks for Heavy Towing Trailer

Built to last

Rust Resistant

Free Keyed Alike Option

Recommended by experts

About Gooseneck hitch locks

Heavy duty locks designed for your specific hitch style to provide unparalleled security. This lock series ensure a tight fit for various types of trailer equipped with gooseneck hitches (utility trailer, low-bed, flat-bed, horse trailers...).

GOOSENECK HITCH LOCKS

Heavy duty locks designed for your specific hitch style to provide unparalleled security. This lock series ensure a tight fit for various types of trailer equipped with gooseneck hitches (utility trailer, low-bed,
flat-bed, horse trailers...).


Select a Gooseneck hitch style:
> BULLDOG style
> ATWOOD style
> Unhitched Gooseneck Tube

GNB GNB loading
Wishlist
Quick view
Out Stocks In Stocks

GNB

$287.00
Heavy Duty Lock for BULLDOG Gooseneck Hitch style. Made of high-grade North American stainless steel....
GNA GNA loading
Wishlist
Quick view
Out Stocks In Stocks

GNA

$298.00
Heavy Duty Lock for 2-5/16" ATWOOD Gooseneck Hitch style. Made of high-grade North American materials....
LBG LBG loading
Wishlist
Quick view
Out Stocks In Stocks

LBG

$178.00
Strong Lock for Unhitched Gooseneck Hitch Tube. Patented Gooseneck Hitch Lock for Heavy Duty Towing...

2" Coupler Locks

Refer to the  Fit Guide or use  filter options below the locks.

GNB

$287.00

GNA

$298.00

LBG

$178.00

Meet The BA Lock Series

A solid monobloc structure built from high-grade stainless steel, and boasting a dual heavy-duty bearing balls locking mechanism. They take place under the ring to seal it tightly and improve the lock capacities.

Featuring superior mechanical and thermal properties with up to 10.2 pounds of mass material, BA locks provide a formidable line of defense against cutting attack, hot flush, corrosion, drilling, massive impacts and so on.

> For 2-1/2" and 3" ring hitch.

sort by ring hitch size

LUNETTE RING LOCKS

Meet the BA series: A rock solid stainless steel monobloc structure boasting one-of-a-kind locking mechanism with dual heavy-duty bearing balls developed by AMPLock. Featuring up to 10.2 pounds of mass material with superior thermal and mechanical properties, BA locks provide a formidable line of defense against hot flush, cutting attack, corrosion, drilling, massive impacts and so on.

Select a size:

BA-212 BA-212 loading
Wishlist
Quick view
Out Stocks In Stocks

BA-212

$399.00
Cylindrical lock for 2-1/2" Lunette Ring Hitch. Made of 8.4 pounds of high-end stainless steel....
BA-3 BA-3 loading
Wishlist
Quick view
Out Stocks In Stocks

BA-3

$424.00
Cylindrical lock for 3" Lunette Ring Hitch. Made of 10.2 pounds of high-end stainless steel....

$399.00
$424.00

"Try Again"

Find out the patented AMPLock
IRON BLADE design:


Molded from a unique block of ductile iron to form a massive piece with conical shape that fully isolate your kingpin hitch.

The LPC lock series ensure a maximum of resilience and reliability thanks to their unique structure, strengthened by 6 hardened blades, and 18 pounds of mass material for the ultimate version(LPC-FD).

A "MASTODON" lock with a dual locking mechanism and engineered to face effectively the most determined and brutal attempts.

Select a level of security

KING PIN LOCKS

Meet the AMPLock IRON BLADE design: Molded from a unique block of ductile iron to form a massive piece with conical shape that fully isolate your kingpin hitch. The LPC lock series ensure a maximum of resilience and reliability thanks to their unique structure, strengthened by 6 hardened blades, and up to 18 pounds of mass material. Find out the most advanced and effective physical security for semi-trailers, flat bed trailers, Dry van and other trailers towed with kingpin hitch.

Select a level of security:

LPC-FD LPC-FD loading
Wishlist
Quick view
Out Stocks In Stocks

LPC-FD

$499.00
THE "MASTODON" Kingpin lock. Heavy duty lock for 53' semi-trailer, Dry van, Flatbed. Features AMPLock...
LPC-F LPC-F loading
Wishlist
Quick view
Out Stocks In Stocks

LPC-F

$250.00
The next level lock for Kingpin hitch. Heavy duty lock for 53' semi-trailer, Dry van,...

$499.00
$250.00

About ball coupler locks

Mechanical locks with resistance-driven design providing strong deterrence power and huge amount of resistance against the toughest conditions over a long period of time.

> For 2" and 2-5/16" ball couplers.

> Designed to tightly conform to the contours of OEM ball coupler.

> High-density materials: Made of ductile iron and stainless steel.

> Built-in complex internal mechanism with hard access for thieves.

> 5 to 12 times heavier than conventional trailer locks on average.

Sort by ball coupler size:

BALL COUPLER LOCKS

Engineered to tightly conform to the contours of your OEM ball coupler thanks to patented resistance-driven design that ensure a stronger deterrence power. Our mechanical locks are built from high-density materials and feature top-tier components to provide outstanding resistance against the toughest conditions.

Overview by size:

TLS-2 TLS-2 loading
Wishlist
Quick view
Out Stocks In Stocks

TLS-2

$129.59
Custom-fit lock for 2" coupler with "FLAT LIP" design - see visual references. Heavy duty...
BRP-2 BRP-2 loading
Wishlist
Quick view
Out Stocks In Stocks

BRP-2

$265.00
Custom-fit lock for 2" coupler with "FLAT LIP" design - see visual references. Heavy duty...
BRP-2516 BRP-2516 loading
Wishlist
Quick view
Out Stocks In Stocks

BRP-2516

$265.00
Custom-fit lock for 2-5/16" coupler with "FLAT LIP" design - see visual references. Heavy duty...
BRA-2 BRA-2 loading
Wishlist
Quick view
Out Stocks In Stocks

BRA-2

$347.00
Custom-fit lock for 2" coupler with "No LIP" design - see visual references. Heavy duty...
BRA-2516 BRA-2516 loading
Wishlist
Quick view
Out Stocks In Stocks

BRA-2516

$347.00
Custom-fit lock for 2-5/16" coupler with "No LIP" design - see visual references. Heavy duty...

$129.59
$265.00
$265.00
$347.00
$347.00

Remain The Only Person Who Knows
What's Inside!

Whether you manage critical deliveries, transporting high-value cargo content, your working equipments or personal valuables with our one-of-the-kind padlock designs featuring all the AMPower.

> Designed for Barn-door and Roll-up door style.

> Secure trailer back and side doors.

> The perfect security add-on for: utility trailer, 53' semi-trailer, delivery truck and container.

Sort by door style

TRAILER DOOR LOCKS

Whether you manage critical deliveries, transporting high-value cargo content, on-site equipments or personal valuables:
keep it strongly sealed and remain the only person who knows
what's inside with unique padlocks designed for enclosed trailer
and container doors.

Select a door style:

PDC-02 PDC-02 loading
Wishlist
Quick view
Out Stocks In Stocks

PDC-02

$129.00
Heavy duty padlock for Barn-door / Swing door style. Unique lock design for trailer back...
PRD PRD loading
Wishlist
Quick view
Out Stocks In Stocks

PRD

$175.00
Heavy duty padlock for Roll-up door style. Unique lock design for trailer back /side doors....

2" Coupler Locks

Refer to the  Fit Guide or use  filter options below the locks.

$129.00

PRD

$175.00

Complete your B-PACK

Select a level of security for your trailer,
Customize your pack,
Save 10%.

TRB-PACK
Towing type: BALL COUPLER

In the pack:
> 1X Ball Coupler Lock.
> 1X Hitch Pin Lock.
> + 1X Trailer Door Lock.

From 215,63$
(initial value: from 239,59$)

TLR-PACK
Towing type: Lunette Ring Hitch

In the pack:
> 1X Ring Hitch Lock.
> 1X Hitch Pin Lock.
> + 1X Trailer Door Lock.

From 458,10$
(initial value: from 509$)

ST53B-PACK
Towing type: Kingpin Hitch

In the pack:
> 1X Kingpin Hitch Lock.
> 1 or 2X Door Lock.


From 565,20$
(initial value: from 628$)

EXTREMELY DETERRENT.
HIGHLY RELIABLE.
RECOMMENDED BY EXPERTS.

ALL IN THE LOCK

And make your next move happen!
Made in North America from leading-edge technologies, AMPLocks are real rock solid guardians for trailers, combining high-grade materials with resistance-driven design.
Experience top-notch security with heavy duty trailer hitch locks manufactured by
our family-owned company with over
30 years of expertise in the high precision
CNC machining industry.
Keep running your game with confidence:
Don't just lock it, AMPLock it!

High-grade materials

Certified heavy duty from North American sources: Ductile cast Iron and Stainless steel.

RESISTANCE-DRIVEN DESIGN

Custom-fit locks built like a thick and armored skin for a maximum of deterrence.

Complex internal mechanism

Built-in the thickest part of the lock with multiple disc to prevent effectively against picking and drilling attempts.

PUSH AND LOCK SYSTEM

Convenience meets resistance:
Your lock is installed in just enough time to spell "A-M-P-Lock". Try by yourself! 😉

KEYED ALIKE OPTION

Operate all your lock with the same key.
Free option!

5 YEARS WARRANTY

Enjoy long term peace of mind with your material is secured by AMPLock.

RECOMMENDED BY LOCKSMITH

And also tested by thieves.
Both are reach the agreement that our locks are beast. About the thieves, they didn't really make feedbacks, but the locks did 😏

FREE SHIPPING

In your mail box as fast as 2 days with no minimum order (within the USA).

30 DAYS FREE RETURN

Satisfied or you get your money back! Need an exange? Also free 🙂

Turn Your Trailer
Into A Bunker

Upgrade your trailer security and Save money
with The AMPLock B-Packs!

Build your all-In-One security solution including
up to 3 keyed alike locks to protect at once your :
Tow Hitch, Trailer Content and Hitch-Mounted Equipments.

Complete your B-PACK!

Select a B-PACK below. Customize your pack. Save 10%.

SHOP MENS

TRB
For Trailers, RV's & Boat Trailer

In Your B-Pack:


> 1x Ball Coupler Lock


> 1x Hitch Pin Lock


> + 1x Trailer Door Lock



From 215,63$

(Initial Value: 239,59$)

Build B-Pack

SHOP MENS

TLR
For Equipment & Heavy Load Trailer

In Your B-Pack:


> 1x Lunette Ring Lock


> 1x Hitch Pin Lock


> + 1x Trailer Door Lock



From 458,10$

(Initial Value: 509$)

Build B-Pack

SHOP MENS

ST53B
For 53' Semi-Trailers, Falt Bed, Dry Van

In Your B-Pack:


> 1x Kingpin Hitch Lock


> 1 or 2x Hitch Pin Lock






From 565,20$

(Initial Value: 628$)

Build B-Pack

Easy to operate

100% SECURE CHECKOUT

2-day Free Shipping

HASSLE - FREE RETURNS

EXTREMELY DETERRENT . HIGHLY RELIABLE . RECOMMENDED BY EXPERTS

ALL IN THE LOCK

And make your next move happen!
Made in North America from leading-edge technologies, AMPLocks are real rock solid
guardians for trailers, combining high-grade materials with resistance-driven design.
Experience top-notch security with heavy duty trailer hitch locks manufactured by
our family-owned company with over 30 years of high precision CNC machining
expertise. Keep running your game with confidence: Don't just lock it, AMPLock it!

High-END material 

Heavy duty locks made of Ductile
cast Iron and Stainless steel from
North America. Tested and certified.

RESISTANCE-DRIVEN DESIGN

Custom-fit locks built like a thick armored skin covering your coupler
for a maximum of deterrence.

Complex internal mechanism

Built-in the thickest parts of the lock
with multiple disc highly effective against picking and drilling attempts.

PUSH AND LOCK SYSTEM

Your lock is installed in just enough time to spell "A-M-P-Lock".
Try by yourself! 😉

KEYED ALIKE OPTION

Use one set keys for all your locks.
Each set is provided with unique key number on a potential of millions of combinaison. Free option!

5 YEARS WARRANTY

It remains you so opportunities to get and experiences to live when your material is secured by AMPLock.

RECOMMENDED BY LOCKSMITH

And also tested by thieves.
Both are reach the agreement that our locks are beast. About the thieves, they didn't really make feedbacks, but the locks did 😏

FREE SHIPPING

In your mail box as fast as 2 days with no minimum order.

30 DAYS FREE RETURN

Satisfied or you get your money back! Need an exange?
Also free 🙂

We're Currently Working To Offer You
The Best Browsing Experience
On Your Tablet Device.

Please visit us from your desktop or smartphone
to get full access to the AMPLock shop.

Shop All Lock