5TN-D250E Articulated Dump Truck
4PS-D250E II Articulated Dump Truck
1HK-D25D Articulated Dump Truck
5MG-D300D Articulated Dump Truck
5KS-D300E II Articulated Dump Truck
7FN-D300E Articulated Dump Truck
3AJ-D30D Articulated Dump Truck
2XW-D350E II Articulated Dump Truck
9LR-D350E Articulated Dump Truck
8PS-D400E II Articulated Dump Truck
2YR-D400E Articulated Dump Truck
APF-D400E II Articulated Dump Truck
9MG-D20D Articulated Dump Truck
6NG-D250D Articulated Dump Truck
9RF-D350D Articulated Dump Truck
8TF-D400D Articulated Dump Truck
2JJ-D40D Articulated Dump Truck
7LN-826G Earthmoving Compactor
6RN-825G Earthmoving Compactor
5FN-816F Earthmoving Compactor
BMR-816F Earthmoving Compactor
1GN-815F Earthmoving Compactor
BKL-815F Earthmoving Compactor
4CS-5130B Excavator
5ZL-5130 Excavator
4HZ-5230B Excavator
7LL-5230 Excavator
1WN-IT14G Integrated Toolcarrier
8ZM-IT14G Integrated Toolcarrier
3CL-IT28F Integrated Toolcarrier
FWL-IT14G Integrated Toolcarrier
KZN-IT14G Integrated Tool
Caterpillar 108-8421 Pan GP-Backrest – OEM-Grade Replacement for Articulated Dump Trucks and Earthmoving Equipment
The Caterpillar 108-8421 Pan GP-Backrest is a precision-engineered component designed for optimal comfort and durability across a wide range of Caterpillar heavy machinery, including articulated dump trucks such as the 5TN-D250E, 4PS-D250E II, and 9LR-D350E, as well as earthmoving compactors like the 7LN-826G and 5FN-816F. Manufactured to OEM specifications, this backrest features robust metallurgy and reinforced structural design to withstand rigorous load conditions and harsh operating environments. Its exact fitment ensures seamless integration with the operator’s seat, enhancing ergonomic support and reducing operator fatigue during extended operation.
Constructed from high-grade steel alloys with corrosion-resistant coatings, the 108-8421 Pan GP-Backrest delivers exceptional longevity and reliability under demanding drivetrain vibrations and dynamic load stresses. The component’s precise dimensions and mounting points conform strictly to Caterpillar’s engineering standards, guaranteeing compatibility with models including the 4CS-5130B Excavator and 1WN-IT14G Integrated Toolcarrier. This backrest not only improves operator safety and comfort but also contributes to maintaining the overall structural integrity of the seating assembly, thereby supporting consistent machine performance and uptime.
For professionals seeking a durable, high-performance replacement part that meets Caterpillar’s stringent quality benchmarks, the 108-8421 Pan GP-Backrest is an ideal choice. Enhance your equipment’s operator comfort and maintain OEM-grade quality by sourcing this part from a trusted supplier. 🔗 Find the Caterpillar 108-8421 Pan GP-Backrest and detailed specifications at AllParts Expert for reliable heavy equipment spare parts.
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