KomatsuHydraulic Parts

21w-26-00120 Swing Motor Assembly — Komatsu Excavator Pc78Us 6

OEM-specification Komatsu Hydraulic Component. Part number 21w-26-00120. Compatible with Komatsu Excavator Pc78Us 6.

Swing Motor Assembly – Part No 21w-26-00120 – Komatsu Spare Part
Part Specifications
BrandKomatsu
CategoryHydraulic Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.