Bulldog® trailer couplers have long been the industry standard for heavy-duty towing. Here Heartland Lock offer a variety of trailer coupler locks that fit the Bulldog® coupler, including The Collar®, the best product we know of for locking the Bulldog® coupler while your trailer is attached to your vehicle. Most of these also fit similar couplers such as those made by Ram and Butler.
Bulldog / Ram Coupler Locks
Displaying 1 to 14 (of 14 Products)
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The Collar® Coupler Lock for Bulldog-style Couple The ONLY lock on the market that will securely lock your Bulldog®, Butler or RAM coupler whether attached to or detached from a towing vehicle.... |
$59.95 ... more info |
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Blaylock TL20 Bulldog Coupler Locks Precision-made of heavy grade aircraft aluminum. Features a 3/4" steel locking pin. Requires a padlock such as the 70mm stainless steel disk padlock.... |
$40.95 ... more info |
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Span = 2-1/2". Machine hardened stainless steel 9/32" shackle. High security tubular key. Comes with 2 rugged tubular keys. Weatherproof lock cap... |
$24.95 ... more info |
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Span = 2-1/2". Stainless steel construction. Machine hardened stainless steel 9/32" shackle. High security tubular key. Two tubular keys included.... |
$32.95 Buy Now |
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Span = 3-1/2". Machine hardened 9/32" stainless steel shackle. High security tubular key. Comes with 2 rugged tubular keys. Weatherproof lock cap... |
$24.95 ... more info |
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Span = 3-1/2". Stainless steel construction. Machine hardened stainless steel 9/32" shackle. High security tubular key. Comes with 2 rugged tubular... |
$32.95 ... more info |
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Trimax SXTC123 Stainless Steel Coupler Lock Secures the latch on many trailer coupler latches. Stainless Steel 9/32" (approx.) shaft. Head slides to fits couplers with 7/8, 2-1/2" and 3-1/2"... |
$29.95 ... more info |
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Secures the latch on many trailer coupler latches. Stainless Steel 9/32" (approx.) shaft. Head slides to fits couplers with 7/8, 2-1/2" and 3-1/2"... |
$24.95 ... more info |
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Trimax SXTM3123 Stainless Steel Combo Set Set includes SXTC123 coupler lock and SXTS32 Universal Receiver Lock both using the same key. Both are stainless steel. The Trimax SXTC123 has a... |
$79.95 Buy Now |
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Set includes TC123 coupler lock and TS32 Universal Receiver Lock both using the same key. The Trimax TC123 has a 9/32" (approx.) shaft that is... |
$49.95 ... more info |
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Trimax TM3123 Combo Set - Flat Key Set includes TC123 coupler lock and TS32 Universal Receiver Lock both using the same key. The Trimax TC123 has a 5/16" shaft that is lockable at 13... |
$33.95 $19.95Save: 41% off Buy Now |
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Trimax UMAX 50D Universal Coupler Lock Deluxe UNIVERSAL Dual Purpose Trailer Coupler Lock with an Integrated U-Lock Feature Fits all 1-7/8", 2" and 2-5/16" couplers. Huge 9/16" hardened... |
$74.95 ... more info |
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Trimax UMAX 100 Universal Coupler Lock Fits all 1-7/8", 2" and 2-5/16" couplers. Huge 5/8" hardened steel shackle. Attractive ballistic grade housing absorbs hammer blows and protects... |
$99.95 ... more info |
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Master #379KA Universal Couple Lock Fits 1-7/8", 2", and 2-5/16" couplers manufactured by Reese®, Fulton, Valley, Atwood®, Shelby, Putnam, Hammerblow, Dutton Lainson, and UFP.... |
$47.95 ... more info |
Displaying 1 to 14 (of 14 Products)