Skilsaw 99 vs Collector Machine 4: specs compared
Updated 05 September 2026.
99 mm
Collector Machine 4 wins on mating diameter
On mating diameter, Collector Machine 4 leads: 99 mm versus 57 mm.
| Spec | Skilsaw 99 | Collector Machine 4 |
|---|---|---|
| Port type | female socket (hose goes into it) | male spigot (hose goes over it) |
| Inner diameter (ID) | 2-1/4 in, 57 mm | 91 mm |
| Manufacturer designation | 2-1/4 in ID for a 2-1/2 in hose | 4 in port, 3.9 in OD / 3.6 in ID |
| Mating diameter (mm) | 57 | 99 |
| Outer diameter (OD) | 3-15/16 in, 99 mm |
Questions and answers
Which has the higher mating diameter, Skilsaw 99 or Collector Machine 4?
On mating diameter, Collector Machine 4 leads: 99 mm versus 57 mm.
How do Skilsaw 99 and Collector Machine 4 compare?
On mating diameter, Collector Machine 4 leads: 99 mm versus 57 mm.