Locks, lock assemblies and cable locks for trailers. Secure your trailer with a durable, high quality lock to prevent tow-away theft and improve safety. Browse our selection of high quality American made trailer locks of various styles and designs to meet every need.
Trimax Stainless Steel 5/8" Class IV Key Receiver Lock. Wide 2-3/4" span. Hardened steel 5/8" shaft. Fits all class III and IV receiver hitches. Stainless steel. Easy 1/4 turn locks and unlocks head. O-ring seal & water tight cap helps seal out dirt & corrosion. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
Trimax Stainless Steel 5/8" Class V Key Receiver Lock. Wide 3-1/2" span. Hardened steel 5/8" shaft. Fits all class III, IV and V receiver hitches. Stainless steel. Easy 1/4 turn locks and unlocks head. Test specifications exceed 40,000 lbs. O-ring seal & water tight cap helps seal out dirt & corrosion. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
Trimax Stainless Steel Anti-Rattle Key Receiver Lock. Prevents rattle, wobble and noise. Hollow core locking anti-rattle pin. Includes lock nut carriage and installation wrench. Easily adjust and lock receiver pin for tight, quiet fit. Includes 5/8" receiver sleeve. 2 inch span with a hardened steel 5/8" shaft. Fits all 2" class III, IV and V receiver hitches. Stainless steel. Easy 1/4 turn locks and unlocks head. O-Ring seal & water tight cap helps seal out dirt and corrosion. Attractive sleek design. Rugged tubular key won't bend or break. Includes 2 keys. Patented design.
Trimax Adjustable Coupler Lock. Adjusts to 7/8", 2-1/2" to 3-1/2" Spans. Stainless Steel. 1/4 turn Locks and Unlocks head. Lock head can't be force locked or "Pop" open. Includes 2 Trimax keys.
Trimax Coupler Lock. Fits all Standard 2" to 2-1/2" Span Wide Lever Couplers & Horse Trailers. Stainless Steel. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
Trimax Deluxe Steel Coupler Lock. Fits All Surge Brake Couplers with up to 3-1/2" Span. Stainless Steel. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
Trimax Coupler Lock. Fits all Standard 1/2" to 7/8" Span Narrow Lever Couplers. Stainless Steel. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
Trimax Deluxe Steel Coupler Lock. Fits all Standard 2" to 2-1/2" Span Wide Lever Couplers & Horse Trailers. Triple plated chrome finish. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
Trimax Deluxe Steel Coupler Lock. Fits All Surge Brake Couplers with up to 3-1/2" Span. Triple plated chrome finish. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
Tough, built to last 5th Wheel Lock. Constructed of heavy gauge steel, Installs in seconds, rugged weather proof epoxy powder coat finish. Includes 3 keys, one with a mini flashlight. Use on 5th wheel kingpin.
Universal die cast dual purpose coupler lock. Fits all coupler types. Fits all sizes, from 1-7/8" to 2-516". Exclusive design provides 360 degrees of protection. Rust proof hammer tome epoxy finish. Dual ratchet lock system. Key hole cover seals out dirt and grime. Includes two cylindrical keys. Full lifetime guarantee.
The Trimax universal trailer coupler lock features exclusive 360 degree hardened steel protection. Huge 6-tooth 3/8" locking lug system. 5/8" -16 hardened steel shackle and body. Fits all coupler types. Fits all sizes, from 1-7/8" to 2-516". Exclusive design provides 360 degrees of protection. Dual ratchet lock system. Key hole cover seals out dirt and grime. Includes two cylindrical keys. Full lifetime guarantee.
Keyed alike receiver and coupler lock set includes: one TS32 receiver lock, one stainless steel sleeve for TS32 lock, one TC123 coupler lock and four matching keys. Fits 1/2" and 5/8" receivers and couplers from 7/8" to 3-1/2". Easy 1/4 turn Locks and Unlocks head. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion.
Universal pin converts from 1/2" to 5/8" pin with stainless steel sleeve. Fits all 2" span receiver hitches. 5/8" pin fits all class III, IV and V receiver hitches, 1/2" pin fits class II receiver hitches. 100% solid stainless steel pin and sleeve. Triple plated chrome finish. Easy 1/4 turn locks and unlocks head. O-ring seal & water tight cap helps seal out dirt & corrosion. 5/8" pin tested to: 33,000 lbs, 1/2" pin tested to: 22,000 lbs. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
Universal pin converts from 1/2" to 5/8" pin with stainless steel sleeve. Fits all 2” span receiver hitches. 5/8" pin fits all class III, IV and V receiver hitches, 1/2" pin fits class II receiver hitches. Premium 100% stainless steel. Easy 1/4 turn locks and unlocks head. O-Ring seal & water tight cap helps seal out dirt & corrosion. 5/8" pin tested to: 42,000 lbs, 1/2" pin tested to: 28,000 lbs. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 1.75", Pin diameter: 0.243" to 0.248"", Overall pin length: 2", Loop clearance: 1.625".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 1.8", Pin diameter: 0.25", Overall pin length: 2", Loop clearance: 1.5".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.5", Pin diameter: 0.25", Overall pin length: 2.77", Loop clearance: 2.5".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 3", Pin diameter: 0.25", Overall pin length: 3.25", Loop clearance: 1.5".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 3.625", Pin diameter: 0.25", Overall pin length: 3.75", Loop clearance: 1.5".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 1.531", Pin diameter: 0.375", Overall pin length: 1.63", Loop clearance: 1.531".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.344", Pin diameter: 0.375", Overall pin length: 2.5", Loop clearance: 2.344".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.25", Pin diameter: 0.368" to 0.373"", Overall pin length: 2.5", Loop clearance: 1.5".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.5", Pin diameter: 0.306" to 0.311"", Overall pin length: 2.75", Loop clearance: 2".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.594", Pin diameter: 0.313", Overall pin length: 2.78", Loop clearance: 2.594".
This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.5", Pin diameter: 0.306" to 0.311"", Overall pin length: 2.75", Loop clearance: 1.75".
Multi-use combined cable and u-lock system. The security of a mini u-lock combined with the versatility of a cable Max dual force lock system features exclusive Trimaflex quadra-braid cable for maximum theft prevention. Length: 72 inches (6 feet), 15mm diameter cable. Includes 3 keys. Lifetime Warranty.
The Trimax exclusive Quadra-Braid flexible steel cable offers maximum security for all applications. 12 ft. Length, 12mm diameter. Multi-purpose, commercial grade. Vinyl coated cable protects painted surfaces. Lifetime warranty. Use with Trimax MAX40YL U-Locks for superior security.
The Trimax exclusive Quadra-Braid flexible steel cable offers maximum security for all applications. 15 ft. Length, 10mm diameter. Multi-purpose, commercial grade. Vinyl coated cable protects painted surfaces. Lifetime warranty. Use with Trimax MAX40YL U-Locks for superior security.