Mechanical Meters

Rugged and Dependable

Accurate dispensing for a variety of vehicle or machine service applications

Graco offers a family of engineered meters, focused on delivering a long-life reliable solution. Each model is vigorously tested to ensure the highest performance for your demanding applications.


  • 8 gpm (30 lpm) maximum flow rate
  • Choose from preset or manual options
  • Balanced, lightweight, rugged construction with a comfort grip
  • Non-resettable totalizing register
  • Handles variety of petroleum and synthietic based oils and anit-freeze
  • Accurate dispense quantities
  • Ideal for indoor or outdoor use

SDMM8 Manual Meter and SDMP8 Preset Meter

Flow rate*
0.26 to 8 gpm
Maximum working pressure
1500 psi
Manual Meter
3.42 lbs
Preset Meter
3.50 lbs
Dimensions (without extension) (see page 27)
11.4 inches
3.94 inches
Height Manual Meter
4.85 inches
Height Preset Meter
6.33 inches
Maximum Totalizer Digits
99,999 units**
1/2-14 NPT
1/2-14 BSPP
1/2-14 BSPT
3/4-16 straight thread o-ring boss
Operating temperature range
-50 °F to 160°F
Wetted parts
brass, aluminum, stainless steel, TPE
Fluid compatibility
antifreeze, gear oil, crankcase oil
Meter pressure loss
30 psi @ 4 gpm
Accuracy – Manual Meter: Oil
+/- 1 percent
Accuracy – Manual Meter: Antifreeze
+/- 3 percent
Accuracy – Preset Meter: Oil or Antifreeze
+/- 3 percent
*Tested in 10W motor oil. Flow rates vary with fluid pressure, temperature and viscosity.
**Rolls over to 00,000 after maximum value is reached.