LS MTRON TRACTOR U554 PTO VALVE ASSEMBLY PART NO:40257990
Product Overview
Part Number: 40257990
Fit Model: LS Mtron U554 Tractor
This complete PTO valve assembly is a direct aftermarket replacement for LS U554 tractor power take-off hydraulic control system. Manufactured to OEM dimensional standards, it precisely controls the engagement and disengagement of tractor PTO equipment, solving common faults like PTO failure, slow response, oil leakage and pressure drop.
Main Features
- 1:1 OEM Matching Structure
All mounting holes, oil ports and connection dimensions identical to original unit, direct bolt-on installation without cutting or modification.
- Integrated Precision Valve Spool Assembly
Low internal leakage, sensitive PTO switch response, stable hydraulic pressure output during heavy agricultural work.
- Cast High-Strength Valve Housing
Anti-shock, wear-resistant cast iron body, long service life under dusty farm field working conditions.
- Complete Premium Sealing Kit
Oil-resistant nitrile rubber seals, effectively stop hydraulic oil leakage under continuous high-temperature operation.
- Full Pre-Shipment Inspection
Every PTO valve assembly undergoes hydraulic pressure, flow and aging testing before packaging to guarantee stable performance.
Compatible Machine
Designed exclusively for LS Mtron U554 farm tractor.
If you are unsure about compatibility, send your tractor serial number and photos of your old valve to our sales team for fast confirmation.
Application
Packaging & Shipping
Export standard carton with shockproof foam padding inside to avoid collision damage during sea and air international transport.
We support bulk wholesale orders, mixed spare parts container loading, short production lead time and worldwide logistics service.
Why Buy MUYE LS Tractor Spare Parts
- Factory direct supply for LS Mtron tractor aftermarket hydraulic components
- All PTO valves come with 12 months quality warranty
- Full catalog of LS tractor pumps, valves, filters and undercarriage spare parts
- Professional technical support for model matching and installation guidance






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