Stellar 125509 Extension Boom Assembly for 12621/10621/9621 HSS Cranes
$8,188.00
Excluding Sales Tax
Compatibility verification required. This item cannot be purchased online. Please call One Stop Truck & Equipment at 916-334-3000 to order.
The Stellar Industries 125509 Extension Boom Assembly is an OEM telescoping boom component designed for compatible Stellar 12621, 10621, and 9621 HSS crane systems.
This heavy-duty extension boom assembly forms the telescoping portion of the crane boom and provides the additional horizontal reach required during lifting operations. Replacing a bent, cracked, worn, or damaged extension boom helps restore proper telescoping movement, boom alignment, structural integrity, and dependable crane performance.
What This Part Is Used For
The Stellar 125509 extension boom assembly operates within the main boom of compatible Stellar HSS telescopic cranes. It extends and retracts to increase or decrease crane reach while supporting the load forces transferred through the boom structure during lifting and positioning operations.
Common Reasons For Replacement
Extension boom is bent or structurally distorted
Boom structure or welds are cracked
Telescoping sections bind or move unevenly
Wear surfaces or mounting points have excessive wear
Extension boom no longer aligns properly
Boom was damaged from impact or overloading
Structural corrosion has affected the assembly
Hydraulic extension components no longer mount correctly
Crane boom system is being rebuilt or restored
Original extension boom requires OEM replacement
Key Features
Stellar Industries part number 125509
OEM extension boom assembly
Designed for compatible Stellar 12621 cranes
Designed for compatible Stellar 10621 cranes
Designed for compatible Stellar 9621 cranes
HSS telescopic boom configuration
Heavy-duty structural steel construction
Provides increased crane working reach
Designed for smooth telescoping movement
OEM replacement Stellar crane boom component