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Engine & Drivetrain Command Kit cover — the three documents shown separately: Diesel Baseline & Trend Log, Drivetrain Alignment Record and Cooling & Exhaust Record. 78 pages, A4 and US Letter

2026 Captain’s Edition

The Engine & Drivetrain Command Kit
Baseline, Alignment & Cooling

$177.00
Sale price  $177.00 Regular price  $291.00
  • Instant Download
  • 3 Documents, 1 Kit
  • Lifetime Access
  • 3 Documents, 1 Kit The complete Engine & Drivetrain cluster.
  • 78 Pages / 6 Files A4 and US Letter of each.
  • 2,348 Live Fields Interactive and 100% offline.
  • You Keep $114 $291 bought separately.

An engine does not fail suddenly. It drifts, and nobody was measuring.

Every figure that matters about a marine diesel — exhaust temperature, coupling gap, raw water rise, anode wastage — is meaningless as a single reading and decisive as a series. The Engine & Drivetrain Command Kit is the whole cluster bought at once, so that the baseline you set this spring is still there to measure against in four years' time.

What is in the kit

Why the three together beat the three apart

A rising exhaust temperature is a cooling question until you check the alignment and find the shaft is dragging. The three documents share one commissioning baseline and one engine-hours axis, so a deviation shows up in whichever register is actually responsible for it — rather than in the one you happened to open.

What you receive

Kit reference AML-KIT-MECH
Documents 3 · the complete Engine & Drivetrain cluster
Extent 78 pages across the three documents
Interactivity 2,348 live PDF form fields
Models 18 reduction models
Files 6 — A4 and US Letter of each, all fillable and print-ready
Offline No app, no account, no connection required once downloaded

The rule every document in the kit obeys

Not one published tolerance, clearance, torque or service interval anywhere in 78 pages. Those belong to the maker of your engine and your gearbox, in the revision of the manual that matches your serial number. Each document opens with a reference page where you transcribe your own figures, with the source document and page recorded beside each — and every model measures against that page and nothing else.

What it is not

These documents record and organise. They are not a service manual, not engineering advice, and not prepared by a qualified marine engineer. They reach no conclusion about any engine or any installation.

Bought separately, $291. As a kit, $177 — you keep $114.

Instant download. Your links appear on screen the moment payment clears, and arrive by email within a minute. They do not expire.

2026 Captain's Edition · AML-KIT-MECH. Apex Marine Labs designs the organisational process behind good seamanship.

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