Rapat Bucket Elevator Seized Chain Pins Won't Restart
Seized pins in Rapat bucket elevator chains block restarts and stall operations.
Why Pins Seize Up
Downtime hits hard when seized pins stop your bucket elevator cold. Safety risks rise with stuck pins from corrosion, wear, or contamination. Teams face pressure to fix without heat or force damage.
Why This Happens
Corrosion builds up on pins, locking them in place and halting chain movement. Wear from load cycling packs contaminants, causing pins to freeze and extend breakdowns. Thermal effects expand materials, worsening seizure and risking equipment failure.

Why Operators Choose Kingpin Breaker
Safer repairs without torch heat
Controlled force breaks seizures fast
Reduces downtime in breakdowns
Portable for field use anywhere
Reliable on heavy chain systems
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
Pins frozen after extended high-load runs on bucket elevators
Contaminant pack-out seizing chains during routine inspections
Corrosion-locked pins halting elevator restarts mid-shift
Wear-induced jams stopping bucket flow in tight spaces
Thermal seizure blocking pin removal in remote sites
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
Kingpin Breaker is an aftermarket tool compatible with chain systems used on Rapat equipment. Not affiliated with Rapat.
