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Trailer Door Locks

If you own a cargo trailer, you need to secure the doors. Heartland Lock offers a wide variety of locks for your trailer doors from Master Lock, Blaylock Industries, and Chinrose to name a few. Many also work well larger, semi trailers. For your convenience, most of these locks are offered in keyed-alike sets and some can be keyed to match receiver or coupler locks.



Product Image Item Name- Price
Blaylock DL80 Trailer Door Lock

Blaylock DL80 Trailer Door Lock

The Model DL-80 lock-rod cam and keeper lock – for cargo, stock, vehicle and utility trailers, as well as tractor-trailers and ocean containers -...
$35.95

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Master #37 Laminated Padlock

Master #37 Laminated Padlock

Armored hardened steel shackle defies cutting. 1-9/16" (40mm) laminated steel body for superior strength. 4-pin tumbler cylinder helps prevent...
$11.95

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Trimax THPXL Hidden Shackle Padlock

Trimax THPXL Hidden Shackle Padlock

Solid steel body. Protects the hasp from tampering. Shackle diameter = 3/8". Rekeyable. Each lock comes with 3 keys. MSRP = $32.99 The Trimax THPXL...
$24.95

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Trimax THP3XL Hidden Shackle Padlock - 3 Piece Set

Trimax THP3XL Hidden Shackle Padlock - 3 Piece Set

Three-pack of keyed-alike locks. Solid steel body. Protects the hasp from tampering. Shackle diameter = 3/8". Rekeyable. Each set comes with 6 keys. ...
$73.95

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Chinrose SA-750 Stainless Steel Padlock

Chinrose SA-750 Stainless Steel Padlock

2" Stainless Steel Padlock Shrouded stainless steel shackle. Double locking mechanism. Brass pin cylinder with 4 keys. Shackle diameter = 0.37"....
$27.95

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Master #311 Weather-Resistant Padlock - Keyed Alike

Master #311 Weather-Resistant Padlock - Keyed Alike

1-9/16" (40mm) wide laminated steel body for superior strength. 3/8" shackle with either 1", 1-1/2" or 2" clearance (PLEASE SELECT BELOW). High-tech...
$10.95

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Chinrose 70mm Stainless Steel Disc Padlock

Chinrose 70mm Stainless Steel Disc Padlock

Laser welded stainless steel body. Hardened steel shackle. Brass pin cylinder. Anti-pick mushroom pin mechanism. Shackle diameter = 0.375". Vertical...
$9.95

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Master #185 "Titanium Series" Padlock

Master #185 "Titanium Series" Padlock

1-5/16" wide body, 9/32" shackle. 5/8" W x 5/8" T clearance. Titanium Series™ reinforced for extreme strength. No rust Lifetime Guarantee. "Bolt...
$11.95

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Master #6270 Hidden-Shackle Padlock

Master #6270 Hidden-Shackle Padlock

An ideal lock for vans, trucks, cargo trailers, gates and vending machines. 2-7/8" (73 mm) hardened solid steel lock body. High security 6-pin Pro...
$33.95

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Master #6121 Weather Tough Padlock

Master #6121 Weather Tough Padlock

2-1/8" (54mm) wide laminated steel body for superior strength. Hardened boron alloy shackle for superior cut resistance. Removable cylinder can be...
$19.95

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Master #931 Weather Tough Padlock

Master #931 Weather Tough Padlock

Solid metal shroud for maximum pry and cut resistance. Reinforced laminated steel body for superior strength and weatherability. Hardened boron alloy...
$25.95

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Master #40 Stainless Steel Disc Padlock

Master #40 Stainless Steel Disc Padlock

The fully shielded design minimizes shackle exposure. The Master #40 has a key retaining feature ensures padlock is not left unlocked. The 2-3/4" (70...
$12.95

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Master #177 Shrouded Set-Your-Own Combination Padlock

Master #177 Shrouded Set-Your-Own Combination Padlock

NOTE: We no longer stock this lock, but it is available by special order. It has been replaced in our inventory with the Master #1177 No keys to...
$20.95

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Master #6230D Solid Steel Padlock

Master #6230D Solid Steel Padlock

Features a 2-1/2" (64mm) wide, hardened solid steel body. Hardened 1-1/8" boron alloy shackle for superior cut resistance. 5 spool pin tumbler...
$24.95

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Master #6230LH Solid Steel Padlock

Master #6230LH Solid Steel Padlock

Features a 2-1/2" (64mm) wide, hardened solid steel body. Hardened 2" boron alloy shackle for superior cut resistance. 5 spool pin tumbler cylinder...
$26.95

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Master #1 Padlock - Keyed Alike

Master #1 Padlock - Keyed Alike

1-3/4" (44mm) wide laminated steel body for superior strength. Hardened 5/16" steel shackle for extra cut resistance. Shackle clearance = 15/16" tall...
$9.95

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Master #1LF Padlock - Keyed Alike

Master #1LF Padlock - Keyed Alike

1-3/4" (44mm) wide laminated steel body for superior strength. Hardened 5/16" steel shackle for extra cut resistance. Shackle clearance = 1-1/2" tall...
$10.95

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Master #1LJ Padlock - Keyed Alike

Master #1LJ Padlock - Keyed Alike

1-3/4" (44mm) wide laminated steel body for superior strength. Hardened 5/16" steel shackle for extra cut resistance. Shackle clearance = 2-1/2" tall...
$11.95

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Master #3 Padlock - Keyed Alike

Master #3 Padlock - Keyed Alike

1-9/16" (40mm) wide laminated steel body for superior strength. Hardened 9/32" steel shackle for extra cut resistance. Shackle clearance = 3/4" tall...
$8.95

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Master #3LF Padlock - Keyed Alike

Master #3LF Padlock - Keyed Alike

1-9/16" (40mm) wide laminated steel body for superior strength. Hardened 9/32" steel shackle for extra cut resistance. Shackle clearance = 1-1/2"...
$9.95

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Master #3LH Padlock - Keyed Alike

Master #3LH Padlock - Keyed Alike

1-9/16" (40mm) wide laminated steel body for superior strength. Hardened 9/32" steel shackle for extra cut resistance. Shackle clearance = 2" tall x...
$10.95

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Master #5 Padlock - Keyed Alike

Master #5 Padlock - Keyed Alike

2" (51mm) wide laminated steel body for superior strength. Hardened 3/8" boron shackle for extra cut resistance. Shackle clearance = 1" tall x 15/16"...
$12.95

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Master #5LF Padlock - Keyed Alike

Master #5LF Padlock - Keyed Alike

2" (51mm) wide laminated steel body for superior strength. Hardened 3/8" boron shackle for extra cut resistance. Shackle clearance = 1-1/2" tall x...
$13.95

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Master #5LJ Padlock - Keyed Alike

Master #5LJ Padlock - Keyed Alike

2" (51mm) wide laminated steel body for superior strength. Hardened 3/8" boron shackle for extra cut resistance. Shackle clearance = 2-1/2" tall x...
$14.95

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Master #911 Weather Tough Padlock

Master #911 Weather Tough Padlock

NOTE: We no longer stock the Master #911. Instead we now stock the Master #6121, which is identical, but has a black case instead of yellow. The...
$19.95

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