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Master Lock - 6 Trailer Locks Keyed Alike w/ 12 Keys, #6KA-37940-37

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$81.92 cheaper than the new price!!

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New  $136.53
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Product details

Management number 224052320 Release Date 2026/05/09 List Price $54.61 Model Number 224052320
Category

If only wanting TWO #40 padlocks, and not three, we will credit you back $14.00 after the transaction is paid for. Please indicate the adjustment after the purchase. Complete trailer security needing only one key. This lock combination listing comes with 12 keys. COUPLER LOCK FEATURES: This lock protects unattended trailers and guards against tow-away theft. Fits 1-7/8", 2", & 2-5/16" couplers by Reese, Fulton, Valley, Atwood, Shelby, Putnam, Hammerblow, Dutton, Lainson, and UFP. Advanced locking mechanism resists picking and prying. RECEIVER LOCK FEATURES: The shaft's length is exactly 2-3/4" long. (check your receiver tubes width). If your receiver requires the LONGER PIN (1469KA) please indicate after the purchase and we can make the change. Protects from theft when securing the ball mount to the receiver. The receiver hitch lock features the NEW Push To Lock Security. Push lock body onto pin firmly and remove key. Stainless Steel for ultimate corrosion resistance. 5/8" diameter pin fits 2" receiver tubes, Class III/IV. 10,000 lb load rated. PADLOCK FEATURES: 2-3/4" (70mm) wide stainless steel body resists corrosion Keyed Alike Case-Hardened 3/8" steel shackle for extra cut resistance. Key retaining feature ensures padlock is not left unlocked. Fully shielded design minimizes shackle exposure. LATCH LOCK FEATURES: This trailer lock is NOT recommended for all 2-5/16" couplers. The issue being the #37 lock, 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 lock works well on 1-7/8" and 2" couplers. 7/8" (21mm) Armored Shackle Guard helps block bolt cutters. Removable shackle sleeve. Sleeve off - Secures coupler latches.

  • Total Trailer Security Keyed Alike - One key opens all six locks. Each lock comes with two keys, for a total of twelve keys. PLEASE UNDERSTAND - each lock comes with different looking keys but thay are the same key code. GUARANTEED that all locks will be keyed the same or we will fix the problem at our expense.
  • 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. See RECEIVER LOCK options in the description below.
  • 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-37940-3
  • Round padlocks 2-3/4" (70mm) wide laminated stainless steel body resists corrosion.
  • Coupler lock fits 1-7/8", 2", & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit.
ASIN B007478IA6
Shape Round
Lock Type Key Lock
Brand Name Master Lock
Unit Count 12 Count
Manufacturer Master Lock
Model Number 6KA-37940-37
Material Type Stainless Steel
Control Method App
Controller Type Hand Control
Number of Pieces 12, 2
Additional Features Key Lock
Manufacturer Part Number 6KA-37940-37
Recommended Uses For Product Security
Manufacturer Warranty Description MASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

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