Discover top gas-powered hydraulic pumps designed to power dump trailers and related equipment. This guide highlights five high-performance options, detailing flow rates, pressures, ports, and durability to help you choose a reliable pump for lifting, dumping, and material handling in tough field conditions.
| Product | Brand | GPM | Max PSI | Ports |
|---|---|---|---|---|
| Bestauto Hydraulic Pump 21.2GPM | Bestauto | 21.2 | 2500 | SAE 12 Outlet, SAE 16 Inlet |
| Bestauto Hydraulic Pump 16.6GPM | Bestauto | 16.6 | 2500 | SAE 12 Outlet, SAE 16 Inlet |
| RYFT Wood Log Splitter Pump 16GPM | RYFT | 16 | 3000 | 1/2″ NPT Outlet, 1″ Inlet |
| Bestauto Wood Splitter Pump 13GPM | Bestauto | 13 | 3000 | 1/2″ NPT Outlet, 1″ Inlet |
| NorTrac Dump Trailer Power Unit | NorTrac | — | — | 12V Motor with Double-Acting Cylinder |
Note: Specs and features are as listed by manufacturers. Always verify compatibility with your trailer model and operating requirements before purchase.
Bestauto 21.2GPM Hydraulic Pump For Dump Trailer

This hydraulic pump delivers a high flow of 21.2 GPM with a 540 RPM max speed and up to 2500 PSI. It is built in a sturdy cast iron housing with a power-coated finish to resist impact, rust, and high pressure. The unit uses SAE 12 outlet and SAE 16 inlet ports, ensuring a reliable fit with standard hydraulic lines commonly used on dump trailers, log splitters, and truck tailgates. Its robust construction supports long service life in demanding environments.
Key features include:
– 21.2 GPM high flow for quick lifting and dumping cycles
– 540 RPM operating speed and 2500 PSI maximum pressure
– SAE 12 outlet port and SAE 16 inlet port for standard compatibility
– Cast iron housing with power-coated finish for durability
Bestauto 16.6GPM Hydraulic Pump For Dump Trailer

Designed for efficient operation with 16.6 GPM at up to 2500 PSI, this pump pairs well with dump trailers and related equipment needing reliable hydraulic power. It features SAE 12 outlet and SAE 16 inlet ports to fit common hydraulic plumbing, and a durable iron housing with a power-coated finish to resist rust and impact over time. This unit aims to balance performance and longevity for frequent use in rugged settings.
Key features include:
– 16.6 GPM flow and 2500 PSI max
– SAE 12 outlet and SAE 16 inlet ports
– Heavy-duty iron housing with protective coating
RYFT 16GPM Log Splitter Pump With 2-Stage Gear

The RYFT two-stage HI/LO gear pump delivers 16 GPM with a maximum of 3000 PSI. It is designed for faster cycle times and higher pressure, making it suitable for log splitters and other demanding hydraulic tasks on trailers. The unit includes standard 1/2″ NPT outlet and 1″ inlet ports with a solid aluminum housing and steel end plate to withstand heavy use. It suits applications requiring both speed and power in a compact form factor.
Key features include:
– 2-stage pump up to 3600 RPM, up to 3000 PSI
– Standard 1/2″ NPT outlet and 1″ inlet
– Aluminum housing with steel end plate for durability
Bestauto 13GPM 3000 PSI Wood Splitter Pump

This 13 GPM, 3000 PSI hydraulic pump targets faster log-splitting cycles and efficient operation for gas-powered splitters and hydraulic power units. It features a 1″ inlet and 1/2″ NPT outlet with a 1/2″ shaft, allowing clockwise rotation. The extruded aluminum casing offers resistance to impact and rust, supporting a long service life in tough work environments.
Key features include:
– 13 GPM at 3000 PSI
– 1″ inlet and 1/2″ NPT outlet
– Aluminum housing for lightweight durability
NorTrac Dump Trailer Power Unit (12V) For Pumps

The NorTrac power unit provides a 12V DC motor paired with a double-acting hydraulic cylinder for lift and hold operations on dump trailers. It includes a pressure-balanced pump for smooth operation and an electric pendant control for easy, convenient operation. This setup is commonly used to facilitate reliable power-up and power-down sequences in field trailers and other on-site tasks requiring robust hydraulic actuation.
Key features include:
– Heavy-duty 12V motor with double-acting cylinder
– Pressure-balanced pump and easy pendant control
– Suitable for dump trailers and related applications
Buying Guide: Key Purchase Considerations
- Flow rate vs. duty cycle: Higher GPM speeds up lifting but may drain power quickly. Match GPM to trailer load and cycle frequency.
- Maximum pressure: Ensure the PSI rating exceeds the force needed to lift and dump loads safely on your trailer.
- Ports and fittings: Check inlet/outlet sizes (common SAE 12/16 or 1/2″ NPT) to fit your hydraulic hoses and adapters without leaks.
- Power source compatibility: Gas-powered pumps are mobile but verify engine noise, fuel requirements, and overall weight for onsite use.
- Durability: Look for robust housings (cast iron or aluminum with protective finishes) and corrosion resistance for outdoor work.
- Two-stage vs. single-stage: Two-stage pumps offer faster cycles and higher pressure for demanding tasks like heavy dumping and log splitting.
- Portability and mounting: Consider mounting options, vibration resistance, and ease of installation on your trailer or power unit.
- Maintenance and parts availability: Choose brands with accessible spare parts and service support to minimize downtime.
- Compatibility with existing systems: Confirm port sizing and shaft standards align with your current hydraulic components.
- Safety features: Look for overflow protection, load-holding valves, and secure mounting to prevent accidental drops.