AMPLock U-LPCVR 5th Wheel Lock | Heavy Duty King Pin Lock for Travel Trailer | Conical Lock Made of Ductile Cast Iron | Prevent Traction with Chains, Rust Resistant | Made in Canada

It’s is heavy

We love this lock. It is expensive, but well worth the money. We lock our 46 toy hauler when not hooked up to our truck. It is super easy to put over the hitch. It is very secure. We paid extra money to get a solid lock that cant be taken off by hitting it. Solid steel and a great product. We also have wheel locks on our wheels for extra precaution.

Easy to attach. Seems like it would be very hard to get off.

Didn’t exactly fit for our 5 wheeler... had to cut the back area to fit it in

locking mechanism feels solid. im not a lock expert, but the keys are unusually designed, so it looks like they would be difficult to copy, and the lock difficult to pick. not cheap, but worth a peace of mind, especially if leaving your RV unattended. Extra points for made in Canada, not China.

Lock is very heavy duty and well made. It is easy to install onto the fifth wheel hitch and gives peace of mind that the trailer is secure.

This was a great lock in the beginning. However, I did not use my fifth wheel during COVID. The Amplock device remained locked in a secure yard on my fifth wheel. Recently, I took the lock off and I noticed that the locking barrel that slips over the fifth wheel tongue was a bit hard to removed. I used a light lubricant on it. Later, it became more difficult to remove. After the last time I removed it, I was afraid to put it on again for fear that I would not be able to remove it. The locking barrel is keyed and it does not work properly. What good is a lock if even you cannot remove it with the key in hand? DONT BUY THIS! It is a good lock but has a cheap locking mechanism.

This lock is certainly the sturdiest lock in the RV park from those I have seen and used on other 5th Wheelers. Some reviews have said it was heavy and that is precisely why I purchased this lock over the competitors. I wanted something heavy and sturdy and this is it. Just from the shear size of this lock, I bet it would be easier for the potential thief to unbolt the King Pin Hitch and simply put on a new hitch rather than to try to cut the lock off. Another reviewer said, the lock will keep the honest people honest. I fully agree with that statement. This lock wont be easily defeated.

Not as big as I thought it was, but certainly tough enough to do the job. This is really made of quality materials and would make a thief think twice about going after my rig versus someone elses.

It worked great. Installed on 35ft 5th wheel. Montana