Top master lock trailer lock set for 2024

Finding the best master lock trailer lock set suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Best master lock trailer lock set

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Best master lock trailer lock set reviews

1. Master Lock 3895DAT - Coupler Lock, Receiver Lock and Latch Lock - 3 Components Keyed Alike

Feature

For more DETAILED information, please click "See More Product Details".
Complete trailer security system KEYED ALIKE.
(1) coupler lock, (1) receiver lock & (1) latch lock all keyed alike; 1 key opens all 3 locks.
This lock set can NOT be keyed alike with other locks nor can 2 of these lock sets be keyed alike.
The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

Description

This listing includes (1) Universal Coupler Lock (model 389DAT), (1) Swivel Head Receiver Lock (2866DAT), (1) Adjustable Coupler Latch Lock (2847DAT) and a total of 6 keys. All 3 locks are Keyed Alike, meaning the same key will open all locks. This lock set comes prepackaged keyed alike and can NOT be matched/keyed with other locks nor can two of these lock sets be keyed alike. 389 COUPLER LOCK: Coupler lock fits virtually all 1-7/8", 2", and most 2-5/16" trailer couplers by Reese, Fulton, Valley, Atwood, Shelby, Putnam, Hammerblow, Dutton, Lainson, and UFP. Bright red finish discourages thief's from messing with your trailer. Resists rust and corrosion. Simple installation and removal. Advanced locking mechanism resists picking and prying. 2866 RECEIVER LOCK: Swivel Head allows for access to keyway in tight spots. No key required to lock - featuring the new Push to Lock Technology. Chrome plated for improved wear and corrosion resistance. Solid brass lock cylinder and cylinder case offer extreme corrosion resistance. Advanced hardened receiver pins for increased sheer strength. It fits both 1/2 inch (13mm) and 5/8 inch (16mm) receivers. 2847 COUPLER LATCH LOCK: Stainless steel lock body and shackle will not rust and is extremely strong. Weather Tough Seal protects keyway and shaft from dirt and moisture. Precision 4 pin tumbler mechanism resists picking. fits most couplers and is adjustable, with six locking positions from 9/16 inch (14mm) to 2-3/4 inch (70mm). Shaft end ergonomically designed to aid installation.

2. Master Lock Trailer Lock, Trailer Coupler & Receiver Lock Combo Pack, 3794DAT , Red

Feature

LOCK APPLICATION: Best used for vehicles, trailers, and RV hitch locks
EASE OF USE: Receiver lock features convenient Push to LockTM locking mechanism: push lock body firmly onto the pin and remove key
DURABLE DESIGN: Weather Tough seal and watertight cap provide protection from moisture and dirt
SPECIFICATIONS: Stainless steel trailer coupler lock adjusts from 9/16 in. to 2-3/4 in.; Fits 1-7/8 in., 2 in. and most 2-5/16 in. couplers
INCLUDES: One trailer coupler lock, one receiver lock, one trailer coupler latch lock; two keys (both keys open all three locks)

Description

Master Lock trailer lock set addresses all trailer security needs. #3794DAT comes with coupler lock, swivel head, receiver lock (5/8-inch and 1/2-inch) and coupler latch lock all keyed alike in a heavy-duty canvas bag.

3. Master Lock - (4) Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4

Feature

This listing is for 4 locks keyed alike w/ 8 keys. This lock is also available in a 2 and 3-pack keyed alike. Please search 37KA
The lock is also available with Bump Stop Technology. Search 37NKA in our storefront.
3/4" (19mm) Armored Shackle Guard helps block bolt cutters. Revolving, case-hardened steel shackle sleeve resists cutting and sawing.
Removable shackle sleeve. Sleeve off - Secures coupler latches. Sleeve on - Works best with hasps.
ATTENTION: Each 4-pack has a different key number. If wanting 8 or more keyed alike please purchase this 4-pack listing - ASIN: B006YTRMMA (find via the search window).

Description

This listing is for FOUR (4) padlocks keyed alike (same key unlocks all four) and eight keys. These padlocks are ideal for all outdoor applications when needing multiple locks that utilize ONLY one key. To fit coupler latch: remove the shackle sleeve. Shackle fits standard opening of 9/32" (7mm). Note that non-rigid shackle has enough play to fit virtually all coupler latches less than 7/8 wide. IMPORTANT NOTE - If using this style lock on a trailers coupler latch please be aware it is NOT recommended for all 2-5/16 couplers. It will fit some 2-5/16 couplers, the exception being 2-5/16 couplers that have the latch partially recessed from the top surface of the coupler, or latches that are wider than 7/8. The #37 latch lock works well on 1-7/8 and 2 inch couplers and on virtually all standard hasp applications. You can order up to eight locks keyed alike. For quantities greater than eight please inquire and we can normally have them in a couple of days. This style lock is also available in a 2-pack and a 3-pack. To purchase visit our Amazon Store (click on our logo), or via the Master Lock link under this pages title. To reach any desired quantity order a combination of 2-packs, 3-packs, 4-packs.

4. Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT

Feature

Universal coupler lock fits virtually all 1-7/8", 2", and 2-5/16" trailer couplers.
Bright red finish discourages thief's from messing with your trailer.
Resists rust and corrosion. Simple installation and removal.
Advanced locking mechanism resists picking and prying.
We can NOT key two (2) of these locks the same. The similar 379KA coupler locks are available keyed alike. The only difference between this one (389DAT) and the 379KA is the color.

Description

Universal trailer coupler lock Guards against trailer towaway theft. Advanced locking mechanism resists picking. Easy to install and remove Resists Rust and corrosion Keyway cover protects lock from moisture and dirt

5. Master Lock - 6 Trailer Locks Keyed Alike #6KA-3796230-37

Feature

Total trailer security Keyed Alike - One key opens all six locks. Each lock comes with two keys, for a total of twelve keys.
Multiple 6KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same.
Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (#37) applications. For 2-5/16 couplers the better lock set is: Master Lock - 6 Trailer Locks Keyed Alike #6KA-3796230-3.
Three (3) high security 6230KA padlocks.
Coupler lock fits 1-7/8", 2", & 2-5/16" couplers. See description below for latch lock (#37) applications.

6. Master Lock - 5 Trailer Locks Keyed Alike #5KA-37940-37

Feature

In Stock with a delivery time of 1 to 5 business days. Total trailer security Keyed Alike - One key opens all five (5) locks.
Multiple 5KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same.
Round padlocks 2-3/4" (70mm) wide laminated stainless steel body resists corrosion.
Coupler lock fits 1-7/8", 2" & 2-5/16" couplers.
Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (#37) applications. For 2-5/16 couplers the better lock set is: Master Lock - 5 Trailer Locks Keyed Alike 5KA-37940-3

7. Master Lock - (3 Keyed Alike Universal Trailer Coupler Locks 379KA-3

Feature

In Stock with a delivery time of 1 to 5 days. This is a set of 3 Keyed Alike trailer coupler/tongue locks and is ideal when needing multiple locks that utilize ONLY one key. The same key opens all three locks. Each lock comes with two keys, therefore you will receive a total of six keys with the purchase of this 3 pack. Limited Lifetime warranty.
These locks protects unattended trailers and guards against tow-away theft. The universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers by Reese, Fulton, Valley, Atwood, Shelby, Putnam, Hammerblow, Dutton, Lainson, and UFP.
This simple design is difficult to defeat because when it's locked on the trailer the lock rests on top of the coupler (see image) thus thwarting blunt force from downward hammer strikes. It also rotates (less rigidity) making it harder to break with sledge hammer force.
Rekeyable cylinder for keyed alike convenience with an advanced locking mechanism that resists picking and prying. Each lock weighs 2.4 lbs. and is simple to install and remove.
Made with Reinforced Zinc Die-Cast resists rust and corrosion. Few materials provide the strength and toughness of zinc alloys. Impact resistance is significantly higher than cast aluminium alloys, plastics, and grey cast iron. Zinc alloys offer high strengths (to 60,000 psi) and superior elongation for strong designs and formability for bending, crimping and riveting operations.

8. Master Lock 1481DAT Stainless Steel Barbell Receiver and Adjustable Coupler Lock Set

Feature

Stainless steel keyed alike receiver lock and coupler latch lock
5/8 inch receiver lock has Push to Lock locking mechanism push lock body onto pin firmly and remove key
Usable length of receiver pin is 2-3/4 inch
Weather tough seal and water tight cap protects lock from moisture
Adjustable coupler latch lock, locks from 9/16 inch to 2-3/4 inch

9. Master Lock - 6 Trailer Locks Keyed Alike 6KA-37937-3

Feature

Total trailer security Keyed Alike - One key opens all six locks.Keyed Alike - One key opens all six locks.
Each lock comes with two keys, for a total of twelve keys.
Latch Lock - The #3 padlock will work on 2-5/16 couplers and the smaller 1-7/8 and 2".
Total Trailer Security. Simple installation and removal.
Coupler lock fits 1-7/8", 2" & 2-5/16" couplers.

10. Master Lock - 6 Trailer Locks Keyed Alike 6KA-37937-37

Feature

In Stock with a delivery time of 1 to 5 business days. Total trailer security Keyed Alike - One key opens all six locks.
Multiple 6KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same.
Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (#37) applications. For 2-5/16 couplers the better lock set is: Master Lock - 6 Trailer Locks Keyed Alike 6KA-37937-3
Each lock comes with two keys, for a total of twelve keys.
Coupler lock fits 1-7/8", 2" & 2-5/16" couplers.

Conclusion

By our suggestions above, we hope that you can found the best master lock trailer lock set for you. Please don't forget to share your experience by comment in this post. Thank you!