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Description
Aftermarket 11 GPM Hydraulic Pump 9-7503-11Replacement part number: 9 7503 11, 9750311 Description: This dual stage hydraulic gear pump is built to handle intensive workloads with consistent reliability. Offering 3. 4 GPM at high pressure and 11 GPM at low pressure, its ideal for log splitters, presses, hydraulic power units, and more. Engineered for long service life and efficient operation, this unit is a powerful, compact solution for two stage hydraulic systems. Technical Specifications:
Replacement part number:
9-7503-11, 9750311Description:
This dual-stage hydraulic gear pump is built to handle intensive workloads with consistent reliability. Offering 3.4 GPM at high pressure and 11 GPM at low pressure, it’s ideal for log splitters, presses, hydraulic power units, and more. Engineered for long service life and efficient operation, this unit is a powerful, compact solution for two-stage hydraulic systems.
Technical Specifications:
Pump Type: Dual-Stage Gear
Displacement:
0.220 cu. in./rev (High-pressure stage)
0.757 cu. in./rev (Low-pressure stage)
Flow Rate:
3.4 GPM (High-pressure stage)
11 GPM (Low-pressure stage)
Max Pressure: 3000 PSI
Max Speed: 3600 RPM
Rotation: Clockwise (CW)
Shaft: 1/2' diameter x 1-1/2' length, keyed
Mounting Pattern: 4-bolt (USA Standard 4F17)
Unloader Valve Adjustment Range: 400 - 00 PSI
Overhung Shaft Load: Up to 90 lbs
Filtration Requirement: 25 micron
Inlet Port: 1' OD Hose Barb
Outlet Port: 1/2' NPT
Dimensions: 5-1/4' x 5-1/8' x 3-3/8'
Key Features:
Dual-Stage Efficiency Automatically switches between low-pressure high-flow and high-pressure low-flow modes to optimize performance
Robust Construction Built to withstand 3000 PSI and support up to 90 lbs of overhung shaft load
Flexible Unloader Range Adjustable unloader valve (400 - 00 PSI) allows for customized system control
Reliable Performance Designed for consistent speed up to 3600 RPM under demanding workloads
Easy Integration Standard 4F17 bolt pattern and keyed shaft ensure hassle-free installation
Clean Operation 25-micron filtration compatibility helps prevent system contamination and extends service life
Why Choose This Hydraulic Pump?
High Output, Compact Size Get more flow and pressure in a smaller footprint
Ideal for Log Splitters & Industrial Hydraulics Commonly used in 2-stage systems for rapid actuation
Easy Replacement Compatible with many standard mounting and shaft configurations
Reliable Under Load High shaft support and rugged internals extend operating lifespan
Versatile Performance Range Excellent balance between high-speed productivity and powerful pressure delivery
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Surprisingly comfortable! The perfect everyday basic sneaker.
Size: 11, Color: Tan
I was looking for a simple, clean pair of white sneakers that wouldn’t break the bank, and these absolutely exceeded my expectations. Right out of the box, the canvas material felt soft, and I was pleasantly surprised that they required zero "break-in" time—no blisters or rubbing on the back of my heels even after a full day of walking. The classic low-top design is incredibly versatile; they look great with shorts, jeans, or even casual chinos for a relaxed office look. The insoles have a decent amount of cushion for a flat sneaker, making them comfortable enough for running daily errands or light traveling. They feel sturdy, the stitching is clean, and honestly, the quality easily rivals brands that cost three times as much.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 4
Decent, but look big on the feet.
Size: 11, Color: Taupe, Size: 11, Color: Taupe
They fit a little large, or at least they look a little large for my feed, so I think they might not work for dressy outfits well. The quality is good thick, style and color are accurate. however, they can make a slight squeak.
Value for money is good, as you can get it for discounts sometimes. they seem durable, comfort wise, I would say that they are okay, for city lifestyle, if you dont have a lot of activity to do, except some walking.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Versatile and well priced
Size: 11, Color: Black
Great for the price. Look good for kicking it around town or for a business casual work place. They fit great, they're comfortable, the black is deep, and the price is right.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Nice Sneakers
Size: 9, Color: Black
Very comfortable and easy to wear. They feel lightweight and fit true to size. Good value for the price.
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Reviewed in the United States on May 29, 2026
★★★★★ 1
Loud, cheap shoes
Size: 9, Color: Black
Loud and squeaky, making them unwearable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
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