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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
4.2 ★★★★★
Based on 2110 reviews
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Product Reviews
★★★★★ 1
Will continue to be a customer
Color: Deep Gray, Size: 10
Dress pants did not fit right on my grandson. Too big in the waist and wasn't long enough. I returned the pants.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Smart-Looking Pants That Fit Well
Color: Navy Blue, Size: 8
I had my son wear these for a church, and they looked sharp without being too stiff. The adjustable waist makes them comfortable, and the fabric feels durable enough to handle a few hours of running around. They held their shape well and didn’t wrinkle too easily.
After a couple of wears, they still look crisp and clean. The overall fit and finish make them feel like a well-made pair of dress pants.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Great Fit
Color: Royal Blue, Size: 10
Cute vest perfect for my 10 yr old
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Kids Formal Vest Review
Color: Royal Blue, Size: 12, Color: Royal Blue, Size: 12
At the time of review, the price was $17.09. It seems to be correctly priced for the value it provides.
I found this vest to be versatile, suitable for a range of formal and semi-formal occasions, from weddings to school events, and capable of being dressed up or down. The fit generally seemed accurate or slightly generous, though it does come with the adjustable back strap offering some customization. The overall quality of the vest, including its construction and stitching, appeared to be good, with a durable and well-made feel. It presented a polished and sharp appearance that could elevate an outfit, and the color is very close to the product image. The material felt substantial and structured, yet breathable, often featuring a silky lining and a notable texture and seems to be machine washable. Based on the quality I've seen, I considered this vest to offer good value for its price point.
The vest provides a functional option for children's formal wear. Its design and construction suggest practical utility for various events... or your kid can just wear it all the time like mine does.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great Boys Suit Vest
Color: Black, Size: 12, Color: Black, Size: 12
I recently had a chance to pick up this boy's suit vest for my upcoming wedding, and it is absolutely perfect. It fits my son so well, running very true to size. The material is so silky smooth and soft, he absolutely loves it. He's autistic and has a thing about different fabrics and this does not irritate or bother him at all. It is going to be perfect over his long sleeve button down shirt. The best looks amazing on him, and the black color is definitely a very dark true black. It is such a great value for the money, you will not be disappointed! I highly recommend picking this up if you need one for your boy or if you have a family member who needs one for an upcoming event.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
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