CrimpComponent folio · Engine · Volvo Penta
MD7A
Volvo Penta MD7A — 13 HP / 9.6 kW @ 2400 RPM, 2-cyl. 0.9 kW Bosch starter cranks at ~95 A (~190 A inrush); 35 A Bosch alternator standard. Auxiliary in 24–28 ft Nordic cruisers (Albin Vega, Maxi 77).
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Engine 13HP — Volvo Penta MD7A · 3 terminals
01 — Reference run
A sizing result with its assumptions attached.
Conductor95 mm²3/0 AWG
Fuse250 Apositive run
Voltage drop0.9%3 m one way
Design current95 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
- 95 A
- Rated output
- 35 A
- Surge current
- 190 A
- Canvas footprint
- 220 × 130 px
Terminal map
| Terminal | Polarity | Direction | Rating |
|---|---|---|---|
| Starter | positive | input | 300 A |
| Alt B+ | positive | output | 200 A |
| Block GND | ground | bidi | 300 A |
03 — Supporting parts
What belongs around it.
- 6 m total of 95 mm² (3/0 AWG) marine cable
- Four 95 mm² cable lugs matched to the equipment studs
- 250 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.