Martin 8V · D-28
8 8V 1800 TB
Exact Stock Taper Bushed Hi-Cap wedge sheave identity and published geometry from Martin's official catalog.
Published catalog evidence
Exact manufacturer record
- Catalog number
- 8 8V 1800 TB
- Belt section
- 8V
- Groove count
- 8
- Pitch diameter
- 18"
- Outside diameter
- 18"
- Taper bushing
- 5050
- Published row
- 6 8V 1800 TB 18 18 A-2 4545 4 .5 .5 4 .5 2 .125 180 .0 8 8V 1800 TB A-2 5050 5 1 5 3 .375 204 .0
Verification boundary
What still needs to match
Belt and groovesConfirm exact belt section, groove count, and matched-set requirements.
Bushing and shaftVerify taper-bushing number, finished bore, shaft, keyway, and installation.
GeometryCheck pitch diameter, OD, sheave width, alignment, guard clearance, and center distance.
Drive dutyConfirm RPM, horsepower, service factor, balance, environment, and current manufacturer limits.
Related catalog sheaves
Same section and groove count
8V · 8 grooves8 8V 1700 TB17" PD · bushing 50508V · 8 grooves8 8V 1900 TB19" PD · bushing 50508V · 8 grooves8 8V 1600 TB16" PD · bushing 45458V · 8 grooves8 8V 2000 TB20" PD · bushing 50508V · 8 grooves8 8V 1500 TB15" PD · bushing 45458V · 8 grooves8 8V 2120 TB21.2" PD · bushing 50508V · 8 grooves8 8V 1400 TB14" PD · bushing 45458V · 8 grooves8 8V 2240 TB22.4" PD · bushing 5050