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Locks > Trailer Lock > Coupler Lock > Latch Lock > Standard Coupler Lock > 5/8 Inch Span, 1 Inch Span, 2 Inch Span > Keyed Unique > Stainless Steel > Master Lock


Master Lock Adjustable Trailer Coupler Lock - Stainless Steel

Master Lock Locks

ratingratingratingratingrating (11 reviews)


Code:   2847DAT

Price:$17.95


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Shipping Weight: 1 pounds

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Master Lock Locks - 2847DAT

Master Lock Adjustable Trailer Coupler Lock for Latch Style Couplers

  • Stainless steel prevents rust and corrosion
  • 1/4" diameter pin
  • Fits coupler latch widths of:
    • 5/8" - most standard couplers
    • 1" - most 2-5/16" ball couplers
    • 2" - most wide latch couplings such as Atwood, Titan and more





Video of Master Lock Adjustable Trailer Coupler Lock - Stainless Steel


Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.

Video Demo Master Lock Locks 2847DAT
Master Lock Locks 2847DAT Review

Video Transcript for Master Lock Locks 2847DAT Review

Demo-master-lock-locks-2847dat Today were doing a review of the Master Lock Adjustable Trailer Lock part number 2837 DAT. This lock comes with all stainless steel parts to prevent rust and corrosion. The pin has a built in notches to walk around the barrel lock. The pin diameter is a quarter inch. We will fit the 5/8 standard couplers and from one inch to 6 2/5/1 ball couplers. The lock works like this; simple take our pin, run it through our coupler latch and we will take the barrel lock and slide it on.

Well lock it into position, remove one of our two keys and put our cover over the barrel lock. And there you have it for the Stainless Steel Master Lock Adjustable Trailer Coupler lock part number 2847 DAT.


Customer Reviews

Master Lock Adjustable Trailer Coupler Lock - Stainless Steel - 2847DAT

Average Customer Rating:  ratingratingratingratingrating4.6 out of 5 stars   (11 Customer Reviews)




- 2847DAT

ratingratingratingratingrating by: Dan07/31/2013

Is this review helpful?


Does exactly what I bought it for. The pin is long enough to go through the hitch and ensures that it doesn't wiggle loose. This gives me peace of mind, and is more secure than a bolt with a nut on it.92540



- 2847DAT

ratingratingratingratingrating by: Jeremy D04/10/2014

Is this review helpful?


Seems to be working fine.,,price good, shipping fast124485



- 2847DAT

ratingratingratingratingrating by: Fred W09/18/2013

Is this review helpful?


Couldn't find a 1 inch span lock until this. Fits perfectly and looks great.100520



- 2847DAT

ratingratingratingratingrating by: Michael R.10/23/2012

Is this review helpful?


Keeps our kayak trailer from "walking a way".57965



- 2847DAT

ratingratingratingratingrating by: Ken W.09/14/2012

Is this review helpful?


Good Product, fast shipping, everything I expected.54704



- 2847DAT

ratingratingratingratingrating by: Jeffrey S.08/24/2012

Is this review helpful?


Much better than my previous lock. Better Security and fits a lager variety of trailers.52826



- 2847DAT

ratingratingratingratingrating by: Steve L.06/12/2012

Is this review helpful?


Was a bit skeptical at first on how buff this would be but after seeing it in person very solid. Fits my 1 inch lock perfect.43896



- 2847DAT

ratingratingratingratingrating by: Craig05/23/2012

Is this review helpful?


The lock is protecting my trailer. Great Product.41482



- 2847DAT

ratingratingratingratingrating by: Alan R12/09/2011

Is this review helpful?


Hitch lock works great. I wish it could have been keyed the same as my receiver lock pin...but that wasn't an option.27922



- 2847DAT

ratingratingratingratingrating by: Brandon P06/20/2011

Is this review helpful?


The locking mechanism is stiff and the key is very difficult to get in all the way. This might get better with usage. Overall, good product to use on any kind of trailer.17368



- 2847DAT

ratingratingratingratingrating by: Andy D05/31/2012

Is this review helpful?


There are cheap ones out there, this is not one of them. I like the quality of the locking mechanism.42140



Ask the Experts about this Master Lock Locks
Expert Answers about Master Lock Adjustable Trailer Coupler Lock - Stainless Steel - 2847DAT                                           Do you have a question about this Locks?


  • What Size Coupler Latches are Compatible with the Master Lock Adjustable Trailer Coupler Lock
  • The Master Lock Adjustable Trailer Coupler Lock, # 2847DAT, is designed to fit coupler latch widths from 5/8 inches up to 2 inches wide. In all likelihood, it will fit your coupler. I recommend measuring to make sure. If you get a width that is less than 2 inches and has a hole for a lock that is 1/4 inches or less in diameter, this lock will fit. I have included a link to a video review of this lock for you. I have also included a link to all of the coupler locks we carry.
    view full answer...

  • Availability of the Master Lock Stainless Steel Coupler Lock # 2847DAT
  • The design of the Master Lock stainless steel adjustable trailer coupler lock, # 2847DAT, has changed a couple of times recently. I cannot say for sure that your original rod would install and lock correctly in the newer style lock and my contact at Master Lock is unsure of the compatibility, but if you order a new lock you will get both the lock and pin that will work together. If you would like a different style of lock, check out the DeadBolt stainless steel coupler lock, # RC6SS, which
    view full answer...

  • What Are the Dimensions of the Master Lock Coupler Lock, Part # 2847DAT
  • The pin of the Master Lock Coupler Lock, part # 2847DAT is 4 inches long. The pin has detents that allow it to fit latches up to 2 inches wide. The end cap is constructed of high impact plastic, and there is a metal button underneath that will prevent the pin from passing through the coupler latch if the plastic cap is removed.
    view full answer...


Info for this part was:


Photos by:
Theodore B

Photos by:
Jackie C

Expert Research:
Michael L

Expert Research:
Robert G

Expert Research:
Michael H

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