You’re looking for a hydraulic pump that can lift a dump trailer quickly, reliably, and without premature wear. The seven units listed each hit a sweet spot of flow, pressure, and duty‑cycle rating, from a compact 12 V, 1.6 kW model that moves a 6‑quart reservoir to a 2 HP powerhouse pushing 1.5 GPM. Their integrated relief valves, pressure‑compensating controls, and SAE #6 ports keep the system safe and efficient. Choosing the right flow‑to‑cylinder ratio and reservoir size will make all the difference—let’s explore how each pump meets those needs.
| Single Acting 6‑Quart 12V Hydraulic Power Unit |  | Best Overall | Voltage: 12 V DC | Max Pressure: 3200 PSI | Reservoir Capacity: 6 qt (plastic) | VIEW LATEST PRICE | Read Our Analysis |
| ParnicoTech 15qt Single-Acting Hydraulic Pump 12V DC 3200 PSI |  | Heavy‑Duty Choice | Voltage: 12 V DC | Max Pressure: 3200 PSI | Reservoir Capacity: 15 qt (metal) | VIEW LATEST PRICE | Read Our Analysis |
| 12V DC Hydraulic Pump – 3.75 Gal Steel Power Unit. Dump Trailer Truck Industrial Use |  | High‑Flow Performer | Voltage: 12 V DC | Max Pressure: 3200 PSI (A port) / 1500 PSI (B port) | Reservoir Capacity: 15 L (3.75 qt, iron) | VIEW LATEST PRICE | Read Our Analysis |
| Primary Mover 12V Hydraulic Pump for Dump Trailer (PFP‑SA04P) |  | Compact Power | Voltage: 12 V DC | Max Pressure: 3200 PSI | Reservoir Capacity: 4 qt (poly) | VIEW LATEST PRICE | Read Our Analysis |
| Doppy Hydraulic Power Unit 13qt 12V 3200 PSI Remote Control |  | Versatile Value | Voltage: 12 V DC | Max Pressure: 3200 PSI (A port) / 1500 PSI (B port) | Reservoir Capacity: 13 qt (metal) | VIEW LATEST PRICE | Read Our Analysis |
| 4 Quart Hydraulic Power Unit 1.6kW 12V DC Pump 3200 PSI (GC01) |  | Budget-Friendly Pick | Voltage: 12 V DC | Max Pressure: 3200 PSI | Reservoir Capacity: 4 qt (steel) | VIEW LATEST PRICE | Read Our Analysis |
| 2HP Electric Hydraulic Pump Power Unit with Dual Hoses |  | Pro‑Level Power | Voltage: 110 V/120 V AC | Max Pressure: 10 000 PSI | Reservoir Capacity: Not specified (steel reservoir) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Single Acting 6‑Quart 12V Hydraulic Power Unit
If you need a compact, high‑flow pump that fits tight trailer spaces while delivering reliable power, the Single‑Acting 6‑Quart 12V Hydraulic Power Unit is the perfect match. Its 12 V DC motor pushes 1.6 kW at 2850 rpm, moving 2.1 cc per stroke through a corrosion‑resistant, double‑action lift and lower system. The 6‑quart (8‑quart metal) reservoir holds enough oil for extended operation, while the 3200 psi relief valve safeguards against over‑pressure. You’ll appreciate the 15‑ft remote pendant for distant control, and the unit’s 44.9 lb weight and 1‑inch cubic footprint make installation effortless on stackers, scissor lifts, or dump trailers.
- Voltage:12 V DC
- Max Pressure:3200 PSI
- Reservoir Capacity:6 qt (plastic)
- Pump Type (Acting):Single‑acting
- Remote Control:15 ft remote pendant
- Connector Size:SAE #6
- Additional Feature:Plastic oil reservoir
- Additional Feature:15 ft remote pendant
- Additional Feature:3200 psi relief valve
ParnicoTech 15qt Single-Acting Hydraulic Pump 12V DC 3200 PSI
The ParnicoTech 15‑qt single‑acting hydraulic pump is the ideal power unit for anyone who needs a compact, high‑pressure solution for dump trailers, lifts, or wood splitters, because its 12 V DC motor delivers rapid oil flow while the 3200 PSI relief valve safeguards against over‑pressure. You’ll appreciate the 15‑qt steel reservoir that resists cracks and the SAE #6 ports that fit standard hoses. We 38.7 lb and measures 24.41 × 8.86 × 8.86 in, making it easy to mount on a truck tailplate. Its positive and negative battery connections guarantee instant response, and the relief valve prevents dangerous spikes. This unit handles farming, construction, and logistics tasks reliably, without needing a separate battery.
- Voltage:12 V DC
- Max Pressure:3200 PSI
- Reservoir Capacity:15 qt (metal)
- Pump Type (Acting):Single‑acting
- Remote Control:Not listed
- Connector Size:SAE #6
- Additional Feature:Crack‑resistant metal tank
- Additional Feature:Double‑action lift/lower
- Additional Feature:Positive/negative battery connections
12V DC Hydraulic Pump – 3.75 Gal Steel Power Unit. Dump Trailer Truck Industrial Use
For operators who need reliable, high‑flow power on a 12‑V system, the 3.75‑gal steel‑body hydraulic pump delivers 0.91 GPM of oil while handling up to 3200 PSI, making it ideal for dump‑trailer lifts, scissor‑lift platforms, and other heavy‑duty material‑handling applications. You’ll appreciate the 1.6 kW motor that can peak at 3 kW, the 15‑ft remote pendant with a 20‑ft removable cord, and SAE #6 ports with extras. The iron reservoir holds 15 L, and the overflow valve safely releases excess pressure. Install vertically or horizontally; power‑up from the battery and let gravity lower the load. Its 16 kg steel chassis resists corrosion, fitting trucks, tailgates, snowplows, and wheelchair lifts.
- Voltage:12 V DC
- Max Pressure:3200 PSI (A port) / 1500 PSI (B port)
- Reservoir Capacity:15 L (3.75 qt, iron)
- Pump Type (Acting):Single‑acting
- Remote Control:15 ft remote pendant (handheld)
- Connector Size:SAE #6 (two extra)
- Additional Feature:Integrated 15 ft remote pendant
- Additional Feature:Overflow valve automatic release
- Additional Feature:Iron reservoir construction
Primary Mover 12V Hydraulic Pump for Dump Trailer (PFP‑SA04P)
You’ll love the Primary Mover 12V Hydraulic Pump (PFP‑SA04P) because its single‑acting design delivers fast, reliable lift of a dump‑bed while gravity safely lowers it, making it ideal for contractors who need quick cycle times and rugged durability on construction sites. Powered by 12 VDC at 2500 RPM, it produces 2 kW and pushes fluid through an upgraded #8SAE port into a 4‑qt poly reservoir. The compact 35‑lb unit slots into existing kits, and the remote controller lets you raise and lower with a button. Built for harsh conditions, it maintains precision, cuts cycle time, and comes with a two‑year warranty, earning a top‑ranked spot among hydraulic power units.
- Voltage:12 V DC
- Max Pressure:3200 PSI
- Reservoir Capacity:4 qt (poly)
- Pump Type (Acting):Single‑acting
- Remote Control:Remote controller (model PFP‑SA04P)
- Connector Size:#8 SAE (upgraded)
- Additional Feature:Upgraded #8 SAE port
- Additional Feature:Compact poly reservoir
- Additional Feature:2‑year manufacturer warranty
Doppy Hydraulic Power Unit 13qt 12V 3200 PSI Remote Control
If you need a compact, high‑pressure solution for lifting dump trailers or forklift platforms, the Doppy 13‑qt 12V hydraulic power unit delivers 3200 PSI on its A port and 1500 PSI on B, while staying under 33 lb. Its sturdy metal tank houses a 13‑qt single‑acting reservoir and an overflow valve, and the 1.6‑3.0 kW 12 V DC motor powers rapid oil flow. You’ll appreciate the 15‑ft remote control and SAE#6 connector for quick hookup. We unit weighs 32.5 lb, measures 25.6 × 11 × 11 in, and works with car‑lifting platforms, forklifts, and dump trailers. No batteries are needed, and Amazon offers a 30‑day return guarantee.
- Voltage:12 V DC
- Max Pressure:3200 PSI (A port) / 1500 PSI (B port)
- Reservoir Capacity:13 qt (metal)
- Pump Type (Acting):Single‑acting
- Remote Control:15 ft remote control
- Connector Size:SAE #6
- Additional Feature:Metal reservoir with overflow valve
- Additional Feature:Direct replacement for 12 VDC systems
- Additional Feature:15 ft remote control included
4 Quart Hydraulic Power Unit 1.6kW 12V DC Pump 3200 PSI (GC01)
The 4‑quart Quart Hydraulic Power Unit, with its 1.6 kW 12 V DC motor and 0.91 GPM flow, delivers rapid, reliable lifting for anyone who needs a compact yet powerful solution—especially dump‑trailer owners and DIY mechanics who demand high pressure (3200 psi) without the hassle of batteries. Its single‑acting pump runs at 2600 rpm, pushing fluid quickly enough to raise loads in seconds. The steel tank and aluminium alloy components resist rust, cracks, and leaks, while the built‑in safety relief valve protects against over‑pressure. Weighing 28.7 lb and measuring just over 20 in long, it fits snugly on trailers, car lifts, or portable workstations. You’ll appreciate the sealed design that minimizes oil loss and the 30‑day return guarantee, making it a dependable, low‑maintenance choice for demanding hydraulic tasks.
- Voltage:12 V DC
- Max Pressure:3200 PSI
- Reservoir Capacity:4 qt (steel)
- Pump Type (Acting):Single‑acting
- Remote Control:Not listed
- Connector Size:Not specified (standard)
- Additional Feature:Aluminium alloy components
- Additional Feature:Rust‑proof metal construction
- Additional Feature:Sealed design minimizes oil loss
2HP Electric Hydraulic Pump Power Unit with Dual Hoses
Looking for a compact, high‑pressure solution that fits directly into a dump‑trailer hydraulic system? This 2 HP electric pump unit delivers up to 10,000 PSI using a 2‑stage design—1.32 GPM at 290 PSI for rapid approach and 0.185 GPM at 10,000 PSI for final lift. Powered by 110/120 V AC, it plugs into any jobsite outlet. The heavy‑duty steel reservoir and reinforced frame survive harsh workshop conditions, while the integrated oil tank and dual 6‑ft hoses streamline installation. It works exclusively with single‑acting cylinders, making it perfect for dump trailers, presses, and hydrostatic testing rigs.
- Voltage:110 V/120 V AC
- Max Pressure:10 000 PSI
- Reservoir Capacity:Not specified (steel reservoir)
- Pump Type (Acting):Single‑acting (only)
- Remote Control:Dual hoses, no remote pendant
- Connector Size:Not specified (standard)
- Additional Feature:Dual 6‑ft hydraulic hoses
- Additional Feature:Two‑stage pump design
- Additional Feature:Heavy‑duty steel reservoir
Factors to Consider When Choosing a Single Acting Hydraulic Pump for Dump Trailer
When you pick a single‑acting pump, start by matching its flow capacity rating to the trailer’s demand. Check that the port size, power‑motor compatibility, and reservoir volume align with your system’s layout. Finally, verify the flow rate meets the load‑lifting speed you need.
Flow Capacity Rating Capacity
If you pick a pump with the right flow capacity, you’ll get the lift speed you need without overtaxing the motor or overheating the system. Flow capacity, measured in GPM or LPM, dictates how fast the cylinder fills and consequently how quickly the dump bed lifts. Use the formula Flow = Displacement × RPM ÷ 231 to estimate theoretical output; a 0.91 GPM pump on a 15‑quart reservoir needs about 16 minutes to pressurize at full pressure. Higher GPM speeds up cycles but demands more motor power and generates extra heat, so guarantee adequate cooling. Oversizing wastes energy and can cause cavitation, while undersizing leads to sluggish lifts and possible stalling under load. Match the pump’s flow to your cylinder volume and operating pressure for peak performance.
Port
Choosing the right port size ties directly into the flow capacity you just evaluated—an undersized port will choke the pump, while an oversized one adds unnecessary bulk. Match the port to the cylinder’s inlet and outlet fittings, such as SAE #6, to prevent leaks and maintain smooth flow. Verify the port’s pressure rating exceeds the pump’s relief pressure, typically 3200 psi, for safety. Pick a port type—threaded, quick‑connect, or push‑fit—that fits your trailer’s existing hose system, simplifying installation. Locate the port on the housing to keep hose runs short and minimize pressure loss. Finally, select a material—steel, brass, or compatible polymer—that resists corrosion with your hydraulic fluid, ensuring long‑term reliability.
Power Motor Compatibility
Even though the pump’s performance hinges on many factors, the power motor is the linchpin that determines whether your dump trailer will lift reliably. Match the motor voltage to your trailer’s electrical system—12 V DC is common—so you don’t need extra converters or batteries. Pick a motor that delivers enough horsepower, say 2 kW, to generate the torque required for your lift speed and load capacity. Verify the RPM rating (2500–2850 rpm) pairs with the pump’s displacement, giving the right flow rate without overheating. Choose a duty‑cycle rating that fits your dump‑bed frequency; continuous duty may be overkill, while intermittent duty could wear out fast if you work nonstop. Finally, guarantee the current draw (15–20 A at 12 V) stays within your wiring and battery limits, preventing voltage sag and premature failure.
Reservoir Size
What reservoir size you need hinges on how long you want to run between refills and how well you must keep the fluid cool. Larger tanks store more oil, extending lift cycles and lowering cavitation risk during high‑flow bursts. A 6‑quart (≈5.7 L) tank suffices for short lifts, while 13‑qt (≈12 L) or 15‑qt (≈14 L) tanks suit prolonged dump‑trailer use. More volume also improves heat dissipation, keeping temperature under the 100 °C limit for most mineral oils. Match the tank to the pump’s flow: a 0.91 GPM unit empties a 4‑qt tank in about four minutes, but a 15‑qt tank gives over sixteen minutes of continuous operation. Finally, respect chassis space limits—pick the biggest reservoir that fits while meeting capacity needs.
Flow Rate
When you size a single‑acting pump for a dump trailer, the flow rate directly sets how fast the cylinder fills and the bed lifts. Typical units deliver 0.9–2.0 GPM at 12 V; higher GPMs demand larger motors or higher voltage. A 1 GPM pump at 3200 PSI can raise a 2‑ton bed in about 5–7 seconds, while 1.5 GPM cuts that to 3–4 seconds. Match the pump’s GPM to the cylinder’s volume and desired lift speed—excessive flow causes cavitation and premature wear. Choose a model with an adjustable flow feature, such as a pressure‑compensating valve, to fine‑tune speed without swapping hardware. This balance guarantees reliable performance and protects components from over‑stress.
Remote Control Options
A pump that fills quickly is only useful if you can command it safely from the cab, so the remote control becomes the next piece of the puzzle. Choose a pendant with at least a 15‑ft (4.5 m) cable; that length lets you stay in the cab while keeping a strong, interference‑free signal. Make sure the connector is an SAE #6, matching the pump’s port so you avoid adapters that could leak pressure. Pick a controller that offers both lift and lower commands and includes a built‑in safety relief valve override to stop accidental over‑pressure. Verify the unit runs on 12 V DC and has polarity protection, preventing reverse‑polarity damage. Finally, select a pendant featuring a lock‑out or emergency stop, letting you shut the pump down instantly if something goes wrong.
Safety Features
If you pick a pump with a built‑in relief valve set at or below the system’s maximum operating pressure—say, 3200 psi—you’ll prevent over‑pressurization right from the start. Verify that the unit also has an overflow or pressure‑release valve that automatically vents excess oil when pressure spikes, protecting seals and hoses. Choose housing and reservoir made from corrosion‑resistant steel, aluminum, or high‑strength polymer to avoid leaks and sudden pressure loss. Insist on a safety‑rated SAE #6 connector that locks the hydraulic line and resists accidental disconnection under load. Finally, confirm the pump’s wiring includes polarity protection and a fuse or circuit breaker sized for the motor—current draw (≈133 A for a 1.6 kW, 12 V motor) to guard against electrical faults that could cause uncontrolled operation.
