Chief
Chief 250092 Two Stage Pump 11 GPM 6 HP 1 Tube Inlet 1/2 x 1 1/2
A two-stage hydraulic gear pump delivering 11 GPM at up to 3,045 psi with a 6 HP input, 1-inch tube inlet, 1/2-inch NPT outlet, and 4-bolt 4F17 mounting
- Two-stage design delivers 11 GPM at low pressure and .22 cu in/rev at high pressure
- 6 HP input rating handles demanding hydraulic applications with 3,045 psi maximum operating pressure
- 1-inch tube inlet and 1/2-inch NPT discharge simplify plumbing with standard hydraulic fittings
- 4-bolt 4F17 mounting pattern ensures secure installation on compatible power units
- Clockwise rotation at 3,600 RPM maximum speed matches common engine and motor configurations
Chief 250092 Two-Stage Hydraulic Gear Pump
This Chief two-stage hydraulic gear pump delivers a maximum flow of 11 gpm with a 6 HP input rating. It suits mobile and industrial machinery that need high-volume low-pressure output and lower-volume high-pressure capability in a single unit.
Flow and pressure headroom
At low pressure the pump displaces 0.537 cu in per revolution for up to 11 gpm. At high pressure displacement drops to 0.22 cu in per revolution while maximum operating pressure reaches 3,045 psi. The internal relief valve is set to 652 psi maximum.
Mounting and drive integration
A 4-bolt 4F17 flange and clockwise rotation allow direct coupling to an external drive running up to 3,600 RPM. The 1-inch tube inlet and 1/2-inch NPT discharge connect without adapters, freeing space in compact power-unit layouts.
Highlights
- Two-stage design delivers 11 GPM at low pressure and .22 cu in/rev at high pressure
- 6 HP input rating handles demanding hydraulic applications with 3,045 psi maximum operating pressure
- 1-inch tube inlet and 1/2-inch NPT discharge simplify plumbing with standard hydraulic fittings
- 4-bolt 4F17 mounting pattern ensures secure installation on compatible power units
- Clockwise rotation at 3,600 RPM maximum speed matches common engine and motor configurations
Specifications
| Brand | CHIEF |
|---|
Questions about this item
Will the 1 in tube inlet on this Chief 250092 pump connect directly to the 1 in suction hose on my older log splitter?
The pump has a 1 in tube intake connection. If your existing hose is also 1 in tube, it will mate directly; otherwise you will need an adapter to match the intake type.
How can I verify the pump is delivering the rated 11 gpm after installation?
Run the pump at 3,600 RPM with the relief valve set below 3,045 psi and measure flow at the 1/2 in NPT discharge port; you should see approximately 11 gpm in the low-pressure stage.
Does the box include the 4-bolt 4F17 mounting hardware and a relief valve, or must I source them separately?
The pump ships with the 4F17 mounting flange built in and an internal pressure-relief valve preset to 652 psi; mounting bolts and hydraulic fittings are not included.
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