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2-40 GPM Modular Mechanical Fuel Meter

GPRO® QM40 Series

SKU 139000-01 | MODEL QM40G8N
Original price $349.99 - Original price $349.99
Original price
$349.99 - $349.99
Current price $349.99

Fluid Statement

Gasoline up to E15 | Diesel up to B20 | Kerosene | AVGAS | Jet A
The GPRO QM40 Mechanical Fuel Meter provides precision fuel measurements for more accurate readings for fleet operations, heavy equipment, and agricultural applications. It features a magnetic drive mechanism that is nearly frictionless, less friction results in more flow, capable of handling flow rates up to 40 GPM. The QM40 easily attaches to the new modular fuel transfer pumps with the Quick-Fit Modular feature, simple four-bolt connections.


  • Includes Quick-Fit modular connections, easily attaches to the new GPI modular fuel transfer pumps
  • Extreme Accuracy, within +/- 1/2% across a flow range from 2 to 40 GPM.
  • Magnetic Drive eliminates drive shaft leaks.
  • Oval Gear technology at an affordable price
  • Register rotates to easily read register in any application
  • Optional pulser accessory is compatible with most fuel management systems
Oval Gear
Working Pressure:
50 PSI (3.45 bar)
Max Working Temperature:
-40° F to 125° (-40° C to 52° C)
1 in. FNPT
1 in. FNPT
Corrosion-Resistant Diecast Aluminum
5-year meter warranty
U.L. Classified to Canadian Standards
Manuals / Documents

  • Liquid Handling

  • Agricultural Products

  • Recreational Products

  • Aviation Refueling

What's in the Box
QM40 Fuel meter with gallon register, Owner's Manual