CamperHardlyKnowHer

Holiday Rambler Endeavor 40X

Class Abuilt 2017–18Mixed build tierPatient search on the used market
WHAT ONE COSTS
—price not published

The maker never published an MSRP for this floorplan. Unknown is not cheap — treat any asking price against comparable models, not against zero.

THE SPECS
Length41.0 ft
Height (incl. A/C)12.8 ft
Width8.5 ft
Interior height7.0 ft
GVWR33,000 lb
Dry weightnot published
Sleeps4
Slide-outs3
Fresh water100 gal
Grey water62 gal
Black water40 gal
Fuel100 gal
Engine / chassisRoadmaster chassis, Cummins ISB 6.7L up to 380 hp
GeneratorOnan diesel generator

A missing row means the maker never published that figure — unknown, not zero.

WHERE PEOPLE SLEEP
  • 1× King bed in rear(Permanent)—
  • 1× L-shaped dinette(Convertible)—
  • 1× Residential-style sofa(Convertible)—
HOW IT'S BUILT — 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Holiday Rambler (Mixed tier): Endeavor

YEAR BY YEAR — WHAT CHANGED
  • 2017Introduced
  • 2018Final year
FINDING ONE

Patient search — weeks of watching, and probably some travel. Why: only 2 model years. Estimated from build volume and production span — not a count of live listings.

THE READ

The 2017 Endeavor's linen-closet plan with a residential sofa; GVWR inferred from the chassis family.

OTHER ENDEAVOR FLOORPLANS
36PDQ · 32,000 lb · sleeps 436PFT · 36,000 lb · sleeps 438F · 33,400 lb · sleeps 438K · 33,600 lb · sleeps 938N · 33,600 lb · sleeps 438PDQ · 32,000 lb · sleeps 438W · 33,600 lb · sleeps 440D · 33,000 lb · sleeps 440DP · 33,000 lb · sleeps 440E · 33,000 lb · sleeps 440FX · 33,000 lb · sleeps 440G · 33,000 lb · sleeps 440PAQ · 34,000 lb · sleeps 440PDQ · 36,000 lb · sleeps 4the whole line →
Is the 40X your #1 — or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about — set your priorities as sliders and watch the whole market re-rank around them. Nothing gets hidden, everything gets explained.

Rank it against your setup →

Data low-confidence record — figures are inferred and should be independently verified, retrieved 2026-07.