These stamped couplers, originally made by Fulton, are a mainstay for smaller trailers. Here Heartland Lock offer our selection of trailer coupler locks that are designed to fit these stamped couplers. We offer a variety of coupler locks specifically for the Fulton-style couplers as well as a number of universal coupler locks that fit a variety of trailer coupler styles.
Fulton Stamped Coupler Locks
Displaying 1 to 17 (of 17 Products)
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Armored hardened steel shackle defies cutting. 1-9/16" (40mm) laminated steel body for superior strength. 4-pin tumbler cylinder helps prevent... |
$18.95 ... more info |
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Trimax TMC10 Trailer Coupler Lock Easy 1/4 turn of key to lock and unlock. Hardened 1/4" steel shackle. Protective rubber bumper prevents noisy rattle and abrasion. High security... |
$19.95 ... more info |
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Span = 7/8". Machine hardened stainless steel 9/32" shackle. High security tubular keys. Comes with 2 rugged tubular keys. Weatherproof lock cap... |
$21.95 ... more info |
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Span = 7/8". Stainless steel construction. Machine hardened stainless steel 9/32" shackle. High security tubular key. Two tubular keys included.... |
$31.95 ... more info |
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Master #2878 Coupler Latch Lock Stainless steel components. Fits couplers with a width of 7/8". Fits many Fulton couplers. Keyway cover and shaft seal help keep dirt and moisture... |
$8.95 ... 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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Master #2847 Adjustable Coupler Lock Stainless steel components. Fits many Atwood and Fulton couplers. Fits couplers with latch widths up to 2-3/4" Has 6 possible locking positions from... |
$12.95 ... 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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Blaylock TL33 Universal Coupler Lock Fits more than 30 couplers. Precision-made of heavy grade aircraft aluminum. Features a 3/4" steel locking pin. Requires a padlock such as the 70mm... |
$44.95 ... 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 |
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Master #377 Universal Coupler Lock Fits many 1-7/8" and 2" couplers. Adjusts to fit many makes and models. Will NOT fit couplers that do not have a lip, such as Bulldog® couplers.... |
$39.95 Buy Now |
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Master #378 Universal Coupler Lock Fits many 2-5/16" couplers. Adjusts to fit many makes and models. Does NOT fit couplers that do not have a lip such as Bulldog® couplers. Not... |
$51.95 Buy Now |
Displaying 1 to 17 (of 17 Products)