Martin 8V · D-10
4 8V 4000 M
Exact Stock QD Hi-Cap wedge sheave identity and geometry from Martin's official sheave catalog.
Published catalog evidence
Exact manufacturer record
- Catalog number
- 4 8V 4000 M
- Belt section
- 8V
- Number of grooves
- 4
- Pitch diameter
- 40"
- Outside diameter
- 40"
- QD bushing
- M
- Catalog page
- D-10
- Published row text
- 4 8V 4000 M 40 40 C-3 M 5 .5 0 .625 0 .8125 6 .75 1 .25 355 .0 5 8V 4000 M B-3 M 5 .5 0 .5 1 .9375 6 .75 1 .25 430 .0
Verification boundary
What still needs to match
Belt and groovesConfirm the exact 3V, 5V, or 8V belt section, groove count, belt construction, and matched-set requirements.
Bushing and shaftVerify the QD bushing size, finished bore, shaft diameter, key/keyway, bushing orientation, and installation torque.
GeometryConfirm pitch diameter, outside diameter, sheave width, hub projection, guard clearance, and center-distance constraints.
Drive dutyCheck motor speed, sheave RPM, horsepower, service factor, belt speed, alignment, balance, environmental limits, and current manufacturer ratings.
Related catalog sheaves
Same section and groove count
8V · 4 grooves4 8V 3550 M35.5" PD · QD M8V · 4 grooves4 8V 4450 M44.5" PD · QD M8V · 4 grooves4 8V 3000 M30" PD · QD M8V · 4 grooves4 8V 5300 M53" PD · QD M8V · 4 grooves4 8V 2480 M24.8" PD · QD M8V · 4 grooves4 8V 2240 J22.4" PD · QD J8V · 4 grooves4 8V 2120 J21.2" PD · QD J8V · 4 grooves4 8V 2000 J20" PD · QD J