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Chelsea (Parker Hannifin) · Hydraulics
380123.12
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This is a 12-volt electric solenoid cartridge valve used on Chelsea power take-off (PTO) units, specifically the 277 and 280 series.
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Fits new-generation 277 and 280 PTO models. Commonly installed on Allison automatic transmissions in medium- and heavy-duty trucks.
Part data verified against 5 catalog sources
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It is a non‑regulating valve that controls the flow of hydraulic fluid to engage the PTO, directing engine power to auxiliary equipment like hydraulic pumps or winches. The solenoid is replaced when the PTO fails to engage or disengage, often due to coil failure or internal contamination. It operates at 25 watts and is rated for hydraulic pressures up to 300 psi.
Part Number: 380123.12
PTO SOLENOID
Dealer: Post Onsite
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