Martin 3V · D-4
4 3V 1400 SK
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 3V 1400 SK
- Belt section
- 3V
- Number of grooves
- 4
- Pitch diameter
- 14"
- Outside diameter
- 14"
- QD bushing
- SK
- Catalog page
- D-4
- Published row text
- 3 3V 1400 SK 14 14 C-3 SK 2 .625 0 .4375 0 .25 1 .875 – 20 .0 4 3V 1400 SK D-3 SK 2 .625 0 .0625 0 .625 1 .875 0 .0313 22 .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
3V · 4 grooves4 3V 1060 SK10.6" PD · QD SK3V · 4 grooves4 3V 1900 SF19" PD · QD SF3V · 4 grooves4 3V 800 SK8" PD · QD SK3V · 4 grooves4 3V 690 SK6.9" PD · QD SK3V · 4 grooves4 3V 650 SK6.5" PD · QD SK3V · 4 grooves4 3V 600 SK6" PD · QD SK3V · 4 grooves4 3V 560 SDS5.6" PD · QD SDS3V · 4 grooves4 3V 530 SDS5.3" PD · QD SDS