The Fill-Rite NX25 12/24V 25 GPM is the better fuel transfer pump overall, rated 4.1 to 3.9. The Fill-Rite NX25 12/24V 25 GPM leads on flow and duty cycle. The GPI M-180S 12V 18 GPM wins on price and kit. The GPI M-180S 12V 18 GPM costs $770.96 less ($614.99 vs $1,385.95).
For fleets and contractors who fill heavy equipment all day from a truck. Nothing else here on 12V matches its continuous duty and flow, but most owners will not need it.
Amazon $1,385.95A strong all-round 12V kit: faster than the 15 GPM pumps, hands-free filling and theft-resistant. Pick it if you fill several machines a day.
Amazon $614.99Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every 12V DC fuel transfer pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fill-Rite NX25 12/24V 25 GPM | GPI M-180S 12V 18 GPM |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Price 20% | 4 $1,385.95 | 44 $614.99 |
| Flow 25% | 100 25 gpm | 65 18 gpm |
| Duty cycle 15% | 100 continuous duty | 50 30 min on, then rest |
| Safety listing 15% | 100 UL listed, explosion-proof motor | 100 UL listed, explosion-proof motor |
| Kit 10% | 45 auto nozzle, 18 ft hose | 55 auto nozzle, suction pipe, 12 ft hose |
| Warranty 15% | 100 limited lifetime warranty | 100 limited lifetime warranty |
| Fill-Rite NX25 12/24V 25 GPM | GPI M-180S 12V 18 GPM | |
|---|---|---|
| Pump | ||
| Power | 12/24V DC | 12V DC |
| Flow | 25 gpm | 18 gpm |
| Duty cycle | Continuous | 30 min on |
| Current | 30 A | 20 A |
| Max pressure | 21 psi | 15 psi |
| Max head | 48 ft | 15 ft |
| Suction lift | 12 ft | - |
| Mount | Bung | Bung |
| Safety | ||
| UL listed | Yes | Yes |
| Explosion-proof motor | Yes | Yes |
| Gasoline approved | Yes | Yes |
| In the box | ||
| Meter | No | No |
| Nozzle | Automatic | Automatic |
| Hose | 18 ft | 12 ft |
| Filter | No | No |
| Suction pipe | - | Yes |
| Power cable | - | 18 ft |
| Build | ||
| Warranty | Limited lifetime | Limited lifetime |
