The 1986755C1 Spool (Genuine CNH) is a precision hydraulic spool used in the Power Shuttle valve assembly with PTO on CASE backhoe loaders.
This spool is responsible for regulating modulator pressure, ensuring smooth hydraulic control within the transmission system.
By accurately controlling oil flow and pressure, the spool helps maintain stable clutch engagement, smooth power transfer, and reliable operation of the Power Shuttle system.
Manufactured strictly to CNH OEM specifications, this spool delivers precise fit, correct tolerances, and long-term durability in demanding operating conditions.
Regulates IH modulator pressure
Controls hydraulic oil flow in Power Shuttle valve assembly
Ensures smooth clutch engagement
Stabilizes transmission performance
CASE Backhoe Loader:
CASE 580 Super K
Application Area:
Transaxle assembly
Power Shuttle valve assembly with PTO
IH modulator pressure control circuit
CNH Original (Genuine) part
Precision-machined hydraulic spool
Accurate pressure regulation
High wear resistance
Improves transmission response and reliability
Direct replacement, no modification required
Symptoms of a worn or faulty spool:
Harsh or delayed gear engagement
Unstable forward / reverse operation
Inconsistent modulator pressure
Transmission overheating
Service Recommendations:
Inspect spool during Power Shuttle valve service
Check for scoring, sticking, or contamination
Replace spool if abnormal wear or sticking is found
Always use clean hydraulic/transmission oil
1986755C1 ҺѹоCNH ԭƷ
CASE 580 Super K ھװػ Power Shuttle ䷧壨 PTOҪ IH ѹModulator Pressure ľȷơ
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Ʒϸ CNH ԭ 죬ȷߴ羫볤ԡ
IH ѹ
Power Shuttle ڵ·
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CASE 580 Super K
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Transaxle ܳ
Power Shuttle 壨 PTO
IH ѹϵͳ
CNH ԭƷ
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