Nabtesco 221477-01 RA228-61134 hydraulic distributor for Kubota U15 U17 U15-3 U17-3 mini excavator
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Seller's contacts
+86 199 246...
+86 199 2461 6345
Lithuania, Telšiai
Poland, Poznań
Lithuania, Telšiai
OEM PN: RA228-61134 / RA228-61136 / RA228-61132 / RA228-61133 / RA228-61137 / RA228-67133 / RA228-61734 / RA228-67736 | Nabtesco Core Code: 221477-01
Applicable Machine: Kubota U15, U17, U15-3, U17-3 1.5T~1.7T Mini Excavator
1. Part Number Classification (By Machine Serial Number)
RA228-61134 / RA228-61133: U15-3/U17-3 serial below 16734
RA228-61136 / RA228-67133: U15-3/U17-3 serial 16735~41483
RA228-61137 / RA228-61734 / RA228-67736: Late version ≥41484, full interchangeable for all U15/U17-3
All RA228 serials adopt Nabtesco original valve core 221477-01, direct bolt-on replacement without modification
2. Core Technical Spec
Brand: Japan Original Nabtesco Multi-way Hydraulic Distributor
Spool structure: 7-spool pilot operated, load-sensing positive flow control
Rated working pressure: 24.5MPa; Main relief preset:27.2MPa
Matched pump: Original Kubota D902 engine gear pump, flow 32L/min
Net weight: 32KG, compact mini excavator dedicated valve block
3. Quality & Price (FOB Guangzhou, USD)
Genuine Original Nabtesco Assembly: $1180–$1450 | 12-month warranty
OEM Aftermarket Full Bench Tested: $790–$980 | 8-month warranty
Used Rebuilt (Nabtesco original core overhauled): $520–$680 | 6-month warranty
4. Product Advantages
Japan Nabtesco original casting & precision ground spools, ultra-low internal leakage
Complete assembly with main relief, overload valve, check valve & pilot oil ports, plug-and-play installation
Stable compound movement for boom/arm/bucket/travel, perfect matching U15/U17-3 hydraulic system
5. Packing & Delivery
Export anti-rust wooden case with rust-proof oil treatment
In-stock dispatch:3–5 working days; Genuine OEM leadtime:10–15 days
Global shipping: Air express(DHL/Fedex) & sea freight available
FAQ
Q: Difference between RA228 serial and 221477-01?
A: 221477-01 is Nabtesco factory internal part code; RA228 series is Kubota OEM catalogue number, same valve assembly.
Q: Does valve come with pilot control levers?
A: Standard package only main valve body; pilot valve/joystick available separately upon order.