When selecting a 28 GPM hydraulic pump, the goal is reliable flow, robust construction, and compatibility with existing systems. This guide highlights five 28 GPM options from trusted brands, examining key specs such as rotation direction, shaft type, mounting, and material. Whether driving a log splitter, irrigation, or industrial hydraulic circuit, these pumps offer durable performance and versatile installation.
Summary of Selected Products
| Product | Brand | GPM | |
|---|---|---|---|
| ToolTuff Direct 28 GPM 2 Stage Hydraulic Log Splitter Pump | Tool Tuff DIRECT | 28 | Max RPM 4000; 5/8″ shaft; 3/16″ keyway |
| Little Giant 20C1-05P4-2W230 Submersible Pump | Little Giant | 28 | Stainless steel, corrosion resistant; 20 ft cord; inline/deployed use |
| Magister Hydraulics Gear Pump 7/8″ Keyed Shaft 2.2 CID | Magister Hydraulics | 6-28 | CW rotation; 3000 RPM; SAE 10/12 ports |
| Little Giant 20C1-05P4-2W115 Submersible Pump | Little Giant | 28 | Stainless steel, corrosion resistant; flow control; 20 ft cord |
| Magister Hydraulics Gear Pump 13 Tooth Spline Shaft 2.2 CID | Magister Hydraulics | 6-28 | CW rotation; 3200 PSI; two-bolt B mount |
Across these options, users should consider the intended application, mounting style, shaft and keyway requirements, rotation direction, and maximum operating pressure to ensure compatibility with their hydraulic circuits. The following sections detail five prominent 28 GPM options, with direct links to their Amazon product pages for convenience.
ToolTuff Direct 28 GPM Log Splitter Pump
The ToolTuff Direct 28 GPM 2 Stage Hydraulic Log Splitter Pump delivers a high flow rate suitable for fast log splitting operations. It features a 4000 RPM maximum speed and a 5/8″ shaft with a 3/16″ keyway, which supports quick engagement in compatible hydraulic motors and gear assemblies. The two-stage design helps optimize pressure and flow for demanding splitting tasks, while robust construction supports repeated use in rugged environments. When integrating this pump, verify shaft compatibility and mounting orientation with the rest of the hydraulic system to maintain efficiency and reduce wear over time.
Key considerations: Ensure proper alignment of the drive shaft with the motor, confirm the availability of compatible mounting brackets, and check the system’s pressure requirements to avoid overloading the pump. Maintenance should focus on keeping the pump clean from wood debris and ensuring lubricating oil remains within recommended levels to prevent seal wear and reduce heat buildup.
Little Giant 20C1-05P4-2W115 Submersible Pump
The Little Giant 20C1-05P4-2W115 is a 28 GPM submersible cistern effluent pump designed for vertical installation and submerged operation. It uses stainless steel construction for corrosion resistance and includes a robust thermoplastic discharge head. Features include a built-in flow control and a 20-foot power cord with a three-prong plug. Note that this pump is not self-priming and must be positioned below the water level height to prime correctly. The included inlet filter helps protect the pump from debris during submersion or inline use.
Considerations include ensuring proper submersion depth, securing power cord protection from moisture, and selecting an inline configuration if submersion is not feasible. Regular cleaning of the inlet filter will help maintain steady flow and reduce clogging from sediment or debris.
Magister Hydraulics Gear Pump 7/8″ Keyed Shaft
This Magister Hydraulics gear pump offers a compact 7/8″ keyed shaft with 2.2 CID displacement and a 6-28 GPM range, designed for clockwise rotation. It uses cast iron construction and SAE-10 and inlet ports for straightforward integration into many hydraulic circuits. A 3200 PSI rating provides a balance of flow and pressure for a variety of agricultural, industrial, or hydraulic tooling applications. The 2-bolt B mounting pattern ensures simple installation on compatible manifolds or frames.
Best practices include verifying shaft compatibility with your motor, confirming rotation direction matches driven components, and ensuring the mounting pattern aligns with your existing hydraulic assembly. Regular inspection for wear on gears and seals will support long-term reliability in demanding environments.
Magister Hydraulics Gear Pump 13 Tooth Spline Shaft
The Magister Hydraulics gear pump with a 13-tooth spline shaft supports 2.2 CID displacement and CW rotation, delivering up to 6-28 GPM with a maximum of 3200 PSI. This unit features a cast iron gear pump design with SAE-10 inlet and SAE-12 outlet ports, and a 2-bolt B mount. It is suitable for compact hydraulic circuits requiring positive gear engagement and reliable pumping in an affordable package. It is important to confirm spline compatibility with the drive shaft to prevent misalignment and wear.
Selection tips include checking spline specifications against the motor output, ensuring the mounting surface can support vibration, and considering the overall system pressure requirements to maintain efficient performance without premature component wear.
Magister Hydraulics Gear Pump 9 Tooth Spline Shaft
This Magister option features a 1.37 CID displacement with CW rotation and a 2700 PSI rating, designed for a compact footprint and dependable 2-bolt mounting. It supports a maximum of 2700 PSI and up to 3000 RPM, offering a compact yet capable solution for smaller hydraulic systems or auxiliary pump duties. The 9-tooth spline shaft provides a secure drive connection where space limitations exist and where moderate flow is sufficient to meet the application’s needs.
Practical considerations include confirming the spline count and shaft diameter for the motor, ensuring a proper fit within the available space, and evaluating the maintenance plan for seals and gears to sustain performance over time. If higher flow is needed, alternative Magister models with larger CID or different rotation may be more appropriate.
Buying Guide: Key Considerations For 28 GPM Hydraulic Pumps
- Flow and pressure balance: Confirm the pump’s 28 GPM rating aligns with system pressure requirements. Some models offer higher flow at specific pressures; verify the operating point to prevent inefficiency or wear.
- Rotation direction: Ensure clockwise versus counterclockwise rotation matches the driven gear or motor, including the mounting orientation and available drive shafts.
- Shaf t and mounting: Check shaft diameter, keyway size, and mounting pattern (two-bolt, SAE ports). Incompatibilities can lead to misalignment, vibration, and premature failure.
- Material and corrosion resistance: For wet or outdoor environments, stainless steel or corrosion-resistant components extend service life, especially for submersible or inline installations.
- Prime and installation: Submersible pumps require correct submersion depth and priming considerations. External pumps should be mounted to minimize vibration and ensure proper lubrication.
- Port sizing and compatibility: Confirm inlet and outlet port sizes align with existing hoses, fittings, and adapters to prevent leaks and pressure drops.
- Maintenance and longevity: Look for pumps with robust seals, easy filter access, and accessible wear parts. Regular inspection of gears, seals, and bearings can extend pump life.
- Application fit: Choose a pump designed for your task—log splitting, irrigation, or industrial hydraulics—as certain models optimize for continuous heavy-duty use while others excel in compact, low-profile installations.
- Warranty and support: Consider brands with clear warranty terms and accessible customer support for troubleshooting and replacements.
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