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- Lids
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- Compactor Parts
- Commercial Dumpster Parts
- Roll-Off Container Parts
- Refuse Body Truck/Roll-off Hoist Parts
- Lids
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- Commercial Dumpster Parts
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FRONT MOUNT AUTO LOCK SLANT TOP
6X2 "D" SWIVEL CASTER W/ROLLER BEARING
Part # : P.62CPRBSW
6X2 "D" RIGID CASTERS W/ROLLER BEARING
Part # : P.62CPRBRG
76.5 UNIVERSAL HINGE ROD
Part # : P.HR.76.5
CASTER PAD W/NUT & BOLT FULL BODY
Part # : P.CP2
6X2 "D" SWIVEL CASTER
Part # : P.62CPSW
6X2 "D" RIGID CASTERS
Part # : P.62CPRG
HINGE EAR (DUAL HOLE)
Part # : P.HE1
Automatic Dumpster Locks
Automatic dumpster locks — engage when the lid closes, released by the collection truck during normal pickup. The set-it-and-forget-it locking solution for routes with documented illegal dumping or unauthorized access problems.
What this page covers
Automatic locks (sometimes called gravity locks or self-locks) use the lid's own closing motion to engage a locking mechanism. Once closed, the lid can only be released by the collection truck's tipper arm or specific lift mechanism. No operator action is required — the lock self-engages every time the lid closes.
PRT stocks automatic locks for the major commercial dumpster brands. Most operators install them on entire routes at once to eliminate illegal dumping completely.
How to choose
Match the lock to your container brand (Wastequip, JV Cram-a-lot, and more..) and the collection truck's lift type (front-load tipper, rear-load, automated side-load).
Verify collection-truck compatibility before installing fleet-wide. Some specialty collection equipment requires specific lock release mechanisms.
Automatic lock options
- Gravity auto-locksEngage by lid closing weight.
- Spring-loaded auto-locksMore positive engagement than gravity.
- Front-load compatibleReleased by standard front-load tipper arms.
- Rear-load compatibleReleased by rear-loader tipper mechanisms.
- Universal mountCompatible with most major dumpster brands.
- Replacement componentsHooks, springs, brackets for existing auto-locks.
Frequently asked questions
How does an automatic dumpster lock work?
The lid closing engages a hook or bar into a catch mounted on the container body. The lock can only be released by an external mechanism — typically the collection truck's tipper arm pushing the release lever during normal pickup.
Do automatic locks work with all collection trucks?
Most do — auto-lock designs are standardized to standard front-load and rear-load tipper geometries. Verify with your specific collection equipment before fleet installation.
Can I retrofit an existing dumpster with an automatic lock?
Yes. Auto-locks bolt-on to standard commercial dumpsters. PRT stocks installation kits that include all mounting hardware and instructions.
How effective are automatic locks at preventing illegal dumping?
Very effective. Once the lid closes, manual unlocking requires tools or specialized knowledge. Most illegal-dumping attempts move to the next available open container.