KYB PSVL2-27CG / 36CG / 42CG / 54CG / 84 柱塞泵（久保田小型挖掘机）

Q&A Product Introduction

Q: What are these KYB PSVL series pumps?

A: They are high-performance axial piston hydraulic main pumps manufactured by Japan KYB (Kayaba), specially designed for Kubota mini excavators. As core hydraulic power components, they convert mechanical energy into high-pressure hydraulic energy to drive all working functions.

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Q: What specific models are included?

• PSVL2-27CG (small displacement)
• PSVL2-36CG (small-medium displacement)
• PSVL-42CG (medium displacement)
• PSVL-54CG (medium-large displacement)
• PSVL-84 (large displacement)

Q: Which Kubota excavators do they fit?

• KX151, KX153, KX155 (3–5 ton class)
• KX161, KX161-3, KX163, KX165 (5–6 ton class)
• Also compatible with: KX173, KX175, U45-3

Q: What are the key technical features?

• Load-sensing (LS) control: Flow matches actual demand → energy-saving, low heat, fast response.
• Open-circuit design: Excellent oil suction, stable high-pressure output (up to 280 bar).
• Kubota PTO flywheel mounting: Direct engine connection, high efficiency.
• Modular & interchangeable: 1:1 replace original KYB pumps, easy installation.
• Quiet & durable: High-precision parts, long service life under heavy load.

Q: What are the matched OEM part numbers?

• PSVL-42CG: RD411-61113
• PSVL-54CG: RD411-61114, B0610-54003
• PSVL-84: B0610-84008

Q: What functions do they perform?

• Boom, arm, bucket (digging)
• Travel motor (moving)
• Swing motor (rotating)
• All other hydraulic attachments

Q: Are they original or replacement?

• Identical dimensions, performance, and mounting as original KYB
• 12-month warranty
• CE/ISO certified
• Direct factory sale (competitive price)