H301/302 series (3 or 4 stage) CNG counterweight chart
5 & 3
1.25 & 2.5
408-0861
1.25 & 2.5CL.
409-2979
1.5 & 2.5
1.5 & 3
Ta b le 9
3 or 4 stage CNG counterweights
Stepped piston assemblies
5.5 & 3
7.5 & 3.5
7.5 & 4
408-0861
408-0861
408-0861
409-2979
409-2979
Double acting piston asemblies
8 & 4
3
409-2979
420-9924
424-2930
420-9957
409-7690
406-6486
Select the piston assembly from the top of this chart and the
CNG piston assembly from the left side of this chart. Follow the
selections horizontally and vertically to find the counterweight part
number in the intersecting block.
H301/302 HSR Compressors | Rev. 2.2 | 33
3.5
4
6.5
424-2930 420-5670
409-6362
409-2979
7.5