Break Seized Chain Pins Fast — No Torches. No Hammering.
Tar-Packed Pins Stop Your Asphalt Drag Cold
Why Pins Lock in Asphalt Drags
Extreme heat, sticky fines, and packed asphalt force pins to seize and freeze in place. Downtime spikes fast when tar hardens around the pin. Heavy contamination and thermal cycling make the stuck condition worse.
Why This Failure Happens
WH132, WDH159, and ER864 drag chains trap hot asphalt fines between the bushing and sidebar. Heat, abrasion, and tar pack-out solidify around the pin until it bonds the joint. Load shocks then deform the pin shoulders, locking it immovable and stalling the drag conveyor.
Why Operators Choose Kingpin Breaker
Cuts downtime fast with hydraulic pin force
Eliminates torches for safer on-site repairs
Keeps alignment precise on heavy drag chains
Works anywhere with portable pin-press design
Handles WH132/WDH159 tar-stuck joints reliably
Built to Perform.
PIN LENGTH RANGE
2.25" – 7.8"
INCLUDES MULTI-CHAIN KIT
(2) Pin Cavities, (4) Pushpins, (5) Spacers
DIMENSIONS (Tool Body)
16.5" × 2.5" × 16"
PIN DIAMETER
1.125" and below
HYDRAULIC CYLINDER
15-ton Hand Pump (foot pedal available)
WEIGHT
28 lbs.
Why Maintenance Teams Trust Kingpin Breaker
Fast. Safe. Simple. Versatile.
Fast
Break even the most
stubborn chains in about
two minutes.
Safe
Reduce hand and back injuries — no hammers, torches, or channel locks.
Simple
Lightweight, intuitive design. Set up and service chains immediately.
Versatile
One tool for almost all chain sizes — fits in tight spaces with ease.
How it Works
From Setup to Break in Minutes.
Real Breakdown Scenarios We Fix
WH132 pin locked in slat return from hardened tar
WDH159 pin frozen in drive-end sprocket pocket
ER864 joint packed tight after thermal cycling shutdown
Drag slat jammed from asphalt fines baked into the bushing
Stuck master pin after torque load shock deformed the shoulder
Request a Quote
Seized pin? Not for long.
Kingpin Breaker
Make stubborn pins tap out.
Contact
Email: cooper@kingpinbreaker.com
Phone: (262) 781-3870
Location
Wisconsin, USA