Title:
BLADE,EXT.,L (KU-RG13874420)
Description:
The Kubota BLADE, EXT., L (KU-RG13874420) is a genuine OEM left-hand blade extension engineered to increase grading width, improve material control, and enhance overall blade performance on Kubota compact excavators. Specifically designed for demanding excavation and landscaping applications, this heavy-duty blade extension helps operators move more material efficiently while maintaining smooth and accurate grading control.
In addition, the RG13874420 extension actively expands the left-hand side of the excavator blade assembly, allowing wider coverage during leveling, trenching, backfilling, and site preparation work. As a result, operators can complete grading tasks more efficiently while achieving cleaner finishes and improved surface consistency.
Furthermore, Kubota manufactures this blade extension from high-strength steel to withstand repeated impact, abrasive soil conditions, gravel, and continuous heavy-duty use. Consequently, the extension maintains reliable structural integrity and dependable performance even in harsh construction environments. At the same time, its durable construction helps reduce wear and extend operational service life under demanding workloads.
Moreover, Kubota engineers the RG13874420 blade extension to match exact factory specifications, ensuring direct OEM fitment and seamless integration into compatible blade systems. Because of its precision-built design, the extension installs securely without modification and maintains proper blade alignment for stable and efficient grading performance.
Whether you are replacing a damaged blade extension, restoring full blade functionality, or carrying out preventative maintenance, the KU-RG13874420 delivers the durability, reliability, and OEM-quality performance expected from genuine Kubota equipment parts.
Model Fitments:
The RG13874420 LH blade extension is commonly fitted to:
- Kubota KX41-3 mini excavator
- Kubota KX413 mini excavator
This blade extension typically operates alongside matching RH blade extensions and center blade components to complete the excavator’s full grading blade assembly.
Part Details:
Part Name: BLADE, EXT., L (LEFT-HAND BLADE EXTENSION)
OEM Part Number: RG13874420
Alternate Format: KU-RG13874420
Brand: Kubota
Part Type: Left-Hand Blade Extension / Excavator Blade System
Function: Extends left-side blade width for improved grading coverage and material control
Application: Kubota compact excavators and blade-equipped machinery
Fitment Type: Genuine OEM direct replacement
Material: High-strength heavy-duty steel
Condition: Genuine Kubota OEM part
Installation: Direct factory-fit installation
Performance: Improves grading efficiency, stability, and surface finishing
Use Case: Excavation, trenching, landscaping, grading, and site preparation work
