CrimpComponent folio · Engine · Volvo Penta
MD5
Volvo Penta MD5A/B/C — 7.5 HP / 5.5 kW @ 2400 RPM, 1-cyl 478 cc. 0.8 kW Bosch starter cranks at ~80 A (~160 A inrush); 35 A Bosch alternator standard (often retrofitted). Auxiliary in small Nordic cruisers (Maxi 68, Albin Ballad, IF-boats).
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Engine 7.5HP — Volvo Penta MD5 · 3 terminals
01 — Reference run
A sizing result with its assumptions attached.
Conductor70 mm²2/0 AWG
Fuse200 Apositive run
Voltage drop1.0%3 m one way
Design current80 A12 V system
The Crimp engine applies its ordinary continuous-load headroom, voltage-drop budget, terminal clamp, and standard fuse ladder. The 3 m one-way run is a stated reference, not a universal installation prescription.
02 — Catalog specification
The part the engine actually sees.
- Continuous draw
- 80 A
- Rated output
- 35 A
- Surge current
- 160 A
- Canvas footprint
- 220 × 130 px
Terminal map
| Terminal | Polarity | Direction | Rating |
|---|---|---|---|
| Starter | positive | input | 250 A |
| Alt B+ | positive | output | 200 A |
| Block GND | ground | bidi | 250 A |
03 — Supporting parts
What belongs around it.
- 6 m total of 70 mm² (2/0 AWG) marine cable
- Four 70 mm² cable lugs matched to the equipment studs
- 200 A fuse and holder on the positive run
- Heat-shrink, strain relief, and terminal boots sized to the cable
See what it changes in your system
With JavaScript enabled, describe your existing boat, van, or off-grid system here. The model supplies topology; Crimp's engine computes the attachment, resized runs, checks, and supporting basket.