Top 10 Trailer Lock Heavy Duty UK – Trailer Couplings & Accessories

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1. Hyfive

Hyfive Heavy Duty Hitch Lock for Caravan/Trailer Stainless Steel With Padlock Security Lock for Caravan

Hyfive - Must not be fitted whilst driving. Keep your caravan or trailer safe and secure with this hitch lock, very easy to apply and locks onto caravan/trailers hitch.

An ideal security lock for vehicles, caravans and trailers. Heavy duty coupling hitch lock and two keys. Approximate Dimensions: 20cm Long x 9. 6cm high x 105cm Wide. Stainless Steel hardened shackle padlock. Bright yellow for a visible deterrent. Made from 70mm steel with a thick locking bar. It has been constructed to suit hitches of most home use, regular trailers, touring cars etc. Forged with carbon steel of high intensity and round heavy duty stainless steel padlock with 2 keys. Can also be attached whilst caravan or trailer is attached to your car securing the trailer to the vehicle when in car parks etc.
ManufacturerNot Known
Part Number74195

2. Master Lock

Weatherproof, Master Lock 377EURDAT Heavy Duty Trailer Lock Universal Hitch Lock

Master Lock - Maximum security: Aluminium body; locking mechanism resists picking and prying. Specifications: h x w x d 6 x 13. 5 x 9 cm; two keys included. Hitch lock: universal trailer coupler lock to secure caravan, trailers; fits 48 mm, 51 mm and most 59 mm trailer couplers. Outdoor use: raw material resists to rust and corrosion; for outside use.
BrandMaster Lock
ManufacturerMaster Lock
Height7 cm (2.76 Inches)
Length19 cm (7.48 Inches)
Width17 cm (6.69 Inches)
Part Number377EURDAT
WarrantyLimited Lifetime Warranty

3. alca Germany

Car Motorhome Trailer Wheel Clamp Extendable Heavy Duty Anti Theft Protection 2 Keys Alca Germany

alca Germany - Rubberized claws protect the rims. For tyres with width up to 285mm. Anti-theft device for cars, trailers, camper van, caravans, vans, off-road vehicles ATV and lawn tractors. Suitable for aluminum and steel rims. Supplied with 2 security keys.
Brandalca Germany
Manufactureralca Germany
Part Numbera306000

4. Streetwize Accessories

Heavy Duty Steel Recessed Locking System with Disc Style Padlock System, Streetwize SWTT125 Guardian Hitch Lock for Trailer, Caravan

Streetwize Accessories - Spare key utility: caravanners often need to trust the yard owner with their hitch. Similarly, towed trailers are often shared and co-owners find it easy to hand-over a parked trailer if it is fully secured with a security lock that comes with a spare key.

Tough built: this guardian hitch lock with disc-style padlock system is made from heavy duty steel, making it difficult to cut or tamper. Added security: suitable for standard-sized hitches, this universal coupling system uses a lock guard that blocks the tow ball, not allowing other vehicles or cars to pair/attach to your trailer hitch. This brightly-coloured, big hitch lock for trailers or caravans is easily visible, discouraging offenders from attempting to tow-away your hitch.

A trailer hitch lock is a must have security device for such outdoor holidaying trips to avoid such potential thefts. High visibility deterrent: clearly visible anti-theft locks do a better job of warning-away miscreants. Safer camping experiences: losing your trailer or caravan at a camping location far from the city can be a nightmare. This bolts of this locking system are hidden to ensure maximum security.
BrandStreetwize Accessories
ManufacturerStreetwize Accessories
Part NumberSWTT125

5. MSA

MSA Heavy Duty Tow Hitch Lock & Keys for Towing Caravan Trailer Security Trailer Lock

MSA - Very easy to apply and use. Keep your caravan or trailer safe and secure with this hitch lock. Locks onto the caravan/trailers hitch. Guards against theft of caravans and trailers, advanced locking mechanism for improved security. Visible security that obstructs the tow hitch.
Part Number01613
Warranty14 day return policy standard


KAIRAY Universal trailer hitch lock-Trailer Coupler Lock For Couplings From 1-7/8" To 2-5/16" W 4.76-5.87cm 2 Keys

KAIRAY - Protect your trailer from theft. Fitment: with fitting piece max 2-1/5″5. 58cm, without fitting piece Max 2-2/5″6. 1cm. Pack:this trailer lock includes 1 lock, 2 keys and 1 rubber fitting for different sizes of coupler. High quality material: lock body is aluminium casting. Advanced locking mechanism resists drilling, sawing, picking and prying. High security:heavy duty coupler lock body, more than 1000 key codes combination to avoid key copy. Universal:universal trailer coupler lock to fit all 1-7/8" 4. 76cm, 2"5. 08cm, and 2-5/16"5. 87cm trailer couplers.
Part NumberL3004

7. Gabz

Gabz Heavy Duty Wheel/Tyre Clamp Lock | Adjustable Anti-Theft Safety Security Lock For Cars Trailers RV ATV Auto Tires

Gabz - Protect your vehicle: this heavy-duty lock clamp is a perfect anti-theft device that will completely immobilize a wheel from rotating or turning. Fit most vehicles: it can be adjusted to fit tires upto 27cm in thickness, scooters, motorcycles, ATV's, trucks, boat trailers, which will fit most vehicles: cars, small aircraft, golf carts, RV's, go karts and lawn mowers.

Can withstand up to 3500 lbs of Force. And it is only 5. 3 lbs, which makes it convenient for you to lock your vehicle quickly. Simply attach our trailer locks to your wheel, pocket the keys and walk away calmly knowing that your vehicle is safe. It is a must have in consideration of your car’s safety.

Highly visible: the bright yellow and orange color is perfect for maximum visibility in both day and night to deter thieves from targeting your vehicle. The heavy duty key lock comes with with 2 keys. High quality material but light weight: this lock is made of heavy duty steel, which can be used for a long time. No complicated installation required.
ManufacturerGain A Bargain
Part NumberGB-53163

8. Keraiz

Keraiz Heavy Duty Wheel Clamp For Car, Vehicles/Anti-theft Safety Lock With Keys

Keraiz - Soft coated jaws to prevent scratching alloy wheels. Adjustable to fit all wheel sizes, Heavy Duty Clamp made of weather resistant steel and made to resist drilling and cutting. Heavy duty wheel clamp, suitable for all cars, vans, caravans and motorbikes. Heavy duty key lock with 2 keys. Can withstand up to 3500 lbs of Force. Fits tyres up to 27cm in thickness. High visibility to deter thieves, Fits most Car, Trailer and Caravan Tyres.
Part NumberST-51401

9. Vivo Technologies

ViVo © Heavy Duty Wheel Clamp Lock Cars Trailer Caravan Security Anti Theft Car Locking Claw NEW Pro DIY Van Caravan Motorhome

Vivo Technologies - Armed with weather resistant heavy duty steel and compact design for easy storage. Item pack dimension: 55 x 305 x 8. 5cm. Compact design for easy storage. High visibility deters thieves.

Packing Name: Blister pack. Simple to lock and unlock with keys in seconds. Material: Steel and PVC. Fits most cars. Its high visibility means it stands out to show people your wheels are locked as a deterrent, which will make it near impossible for thieves to steal your vehicle. Key design is almost impossible to duplicate. Features: anti-theft wheel clamp.

The best part of this type of wheel clamp is its double protection against cutting and drilling, which will prevent car theft. Specifications: length 47cm. Description: super heavy duty claw style wheel lock, to thieves. Weight: 2. 2kg. Colours: Yellow + Red. 1 x universal anti-theft Wheel Clamp With 2 Keys. Foam coated to protect interior.
BrandVivo Technologies
Part NumberVIV-6689423521

10. SavingPlus

SavingPlus Heavy Duty 13" -15" Steel Car Van Wheel Clamp Safety Lock for caravan Trailer

SavingPlus - Arm extends to sit flush with road surface;. Ideal for long stay car parks and sales forecourts;. Can be fitted in seconds and locks directly onto the tyre;. Full face design prevents removal of wheel nuts;. Designed to fit tyres around 8 1/2" wide215, Please double check your wheel size before you buy.
Part NumberUK1315