Choosing a hydraulic power unit means deciding whether you need a shop-mounted lift or a trailer-mounted dump. The 110V car lift unit plugs into a wall outlet, uses a single-acting cylinder to raise, and lets gravity lower the load. The 12V dump trailer unit runs from a battery, powers both up and down with a double-acting cylinder, and includes a remote pendant. Both are direct replacement units with OE quality fitment, but their differences in price, tank size, and condition point to different jobs.
Quick Verdict
If your application is a car lift in a fixed shop, the Returned 110V Car Lift Hydraulic Power Unit at $155.99 is the lower-cost pick, provided you're comfortable with a used unit. If you need to power a dump trailer on a truck or trailer, the 20 Quart Double Acting Hydraulic Pump at $240.00 gives you new condition, double-acting control, and a larger reservoir. The $84.01 gap buys you a bigger tank, a remote control, and a fresh power unit.
Comparison Table
| Feature | 110V Car Lift Pump | 12V Dump Trailer Pump |
|---|---|---|
| Price | $155.99 | $240.00 |
| Condition | Used | New |
| Power Source | 110V AC, 2.2kW | 12V DC, 1.6kW |
| Actuation | Single Acting | Double Acting |
| Reservoir | 2.5 gal / 10 qt | 5 gal / 20 qt |
| Max Pressure | 3200 psi | 3200 psi (port A), 1500 psi (port B) |
| Flow Rate | 1.7 GPM | 0.91 GPM |
Where the 110V Car Lift Pump Wins
This unit wins for fixed shop use. It's less expensive, runs on standard 110V outlets, and its 10-quart steel reservoir is enough for a car lift's single-acting cycle. The 2.2kW motor delivers 3200 psi of max pressure, and the 1.7 GPM flow rate moves the cylinder quickly. If you don't mind a returned unit and need an AC-powered pump for a lift, this gets the job done without stretching your budget.
Where the 12V Dump Trailer Pump Wins
The 12V unit wins for mobile or dual-acting tasks. It's new, has a 20-quart tank, powers up and down with double-acting operation, and the included remote pendant gives you control from the cab or trailer side. The SAE #6 ports make hookup straightforward. While the flow rate is lower at 0.91 GPM, the ability to control both directions and the larger reservoir make it a better match for dump trailers where precision and portability matter more than speed.
Product Notes
#### Returned 110V Car Lift Hydraulic Power Unit

The Returned 110V Car Lift Hydraulic Power Unit brings a 2.2kW 110V motor and a 10-quart reservoir to a car lift setup. Its 1.7 GPM flow rate moves the cylinder quickly, and the steel construction is built for stationary shop use. A main drawback is that it's a used return, so you're trading new-condition certainty for a lower upfront price. It's also single acting, meaning it extends under power but relies on gravity or load to retract, which is fine for many two-post lifts but not for applications needing powered lowering. If you need a ready-to-wire AC pump for a lift and don't mind a pre-owned unit, this fits the bill.
#### 20 Quart Double Acting Hydraulic Pump 12V DC

The 20 Quart Double Acting Hydraulic Pump 12V DC Dump Trailer Hydraulic Power Unit gives you a fresh power unit with a 20-quart metal tank and SAE #6 ports. Its double-acting design powers the cylinder both up and down, so you can control dump trailer movements precisely. The system includes a 15-foot remote pendant and two extra SAE #6 fittings, making it convenient to operate from the cab or at the trailer. The trade-offs are a higher price and a lower flow rate of 0.91 GPM, which means slower actuation than the 110V unit. You'll also need a 12V DC power source, which is natural for trailer use. For a new, self-contained dump trailer power unit with remote control, it's the stronger choice.
Final Choice by Use Case
Choose the 110V car lift pump for a stationary shop lift on a budget, and the 12V dump trailer pump for a portable, double-acting hydraulic system with a larger tank and remote control.