KomatsuHydraulic Parts

1W1877 Gear Assem — Komatsu D398 D398A

OEM-specification Komatsu Gear Assem.. CTP aftermarket replacement. Part number 1W1877. Compatible with D398, D398A, D398B, G398; Engine: D379, D398, D398A, D398B, G398.

Gear Assem – Part No 1W1877 – 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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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.