Field Guide — Van Build Documentation
THE
DIESEL
Diaries.

A 2025 Mercedes-Benz Sprinter 144" AWD. Built for real adventures.

Platform2025 Sprinter 144" HR AWD
Engine4-Cyl Diesel
BuilderAdventure Wagon — Portland
Install SlotJune 2026
01
SLEEP SYSTEM
Where the miles get earned back
MOAB Elevator Bed
// Primary Sleep Platform

MOAB Elevator Bed

Height-adjustable on telescoping legs. High in summer — bikes and gear underneath. Low in winter — easy access. Black powder coat, gear rails both sides.

FrameBlack Powder Coat
Gear RailsL-Track Both Sides
MattressMOAB 3-Layer Foam
Extra RailBlack Powder Coat
02
GALLEY & FOOD
Cook real meals, not granola bar apologies
// Modular Kitchen — Driver's Side

Switchback Galley

Full kitchen that breaks into portable modules in seconds. Drawer config. Dometic CFF 45 fridge. 6-gallon fresh, 6-gallon grey. The whole thing detaches when you need the space.

SideDriver's Side
ConfigDrawers
FridgeDometic CFF 45
Water6-Gal Fresh / 6-Gal Grey
03
POWER SYSTEM
The backbone of everything
// Factory Install Only — EcoFlow Platform

5kVa Switchback Electrical

Adventure Wagon's most capable power solution. Clean install, serious output. This is what lets everything else run without thinking about it.

5kVaOutput
EcoFlowPlatform
AW PDXInstalled By
04
STORAGE & CLIMATE
Organized, warm, and alive
Mule Bag 2.0
// Overhead / x3 Units

Mule Bag 2.0

Three of them, Dark Grey, cubbies on all three. Recycled Cordura. Clips to overhead L-track and stays out of the way.

// Climate / Diesel Powered

Espar S3 D2L Heater

Taps the van's own diesel tank. No propane, no extra fuel. Digi-Max controller. Doesn't care how cold it gets.

Maxxair Deluxe Fan
// Ventilation / Front Position

Maxxair Deluxe Fan

10 speeds, reversible, rain-rated. The thing that makes summer survivable in a metal box on wheels.

// Storage + Facilities

Switchback Storage Box

Modular storage with a Dometic 972 Cassette Toilet integrated. Clean, discreet, does what it needs to do.

// Why AW over the Revel

"A van that can do one thing perfectly is a truck. A van that can do anything is the point."

The Adventure Wagon modular system won over fixed-layout builds — including the Revel at twice the price — because flexibility matters more than a built-in shower. The L-track system means nothing is permanent. Everything can move, be removed, or upgraded. That's the whole philosophy.

05
THE DIARIES
Decisions, process, honest notes
// Latest Entry

Why We Chose AW Over the Revel

The Revel is impressive. It's also $200K+, has a fixed layout, a built-in shower I'd use twice, and zero ability to evolve. Here's exactly how we landed here instead...

Read Entry →
06
WHAT IT COST
Honest numbers, no fluff
Total Investment
2025 Sprinter 144 AWD~$77,000
AW Build Package$69,722
5kVa Electrical$14,291
Switchback Galley$5,400
MOAB Bed + Mattress$5,050
Factory Install Labor$10,367
Estimated Combined Total
~$146,000
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