Tiffin · Class A · Model-year overview

2025 Tiffin Byway

Three floorplans about 35 and 39.5 feet long on a Freightliner XCS straight-rail chassis with a 340-horsepower Cummins B6.7.

Key facts re-checked. Owners, dates and prices were re-checked against their sources. A full second review is still to come.

Price when new
Not documented
Length
Not documented
Chassis
Freightliner XCS straight-rail rear-engine diesel
Engine
Cummins B6.7 · 340 hp

These values describe this model year and configuration. An individual coach can differ, so check it against the coach’s own records. “Not documented” means the encyclopedia does not have that fact yet.

Full specifications

Model year
2025
Variant
Model-year overview
Chassis maker
Freightliner
Chassis
XCS straight-rail rear-engine diesel
Engine maker
Cummins
Engine
B6.7
Displacement (L)
Not documented
Horsepower
340
Torque (lb-ft)
700
Transmission
Allison 2500 MH 6-speed automatic
Length (ft)
Not documented
Height (ft)
12.83
Width (in)
101
Slides
Not documented
Floorplan
Not documented
Generator maker
Onan
Generator
Quiet Diesel
Generator (kW)
8
Fuel (gal)
90
Fresh water (gal)
70
Gray water (gal)
Not documented
Black water (gal)
Not documented
Luxury systems
Two 15,000-BTU air conditioners; LP ducted furnaces (35,000 and 30,000 BTU); Truma AquaGo water heater; 2,000-watt inverter.
Intended use
Not documented

Floorplans offered in 2025

33 FL38 BL38 CL

Other 2025 records

What changed this year

Tiffin's 'What's New for 2025 Models' post (March 2024) lists a change to Freightliner's VFS front suspension, Lippert awnings in place of Girard, the exterior TV moving from standard to optional, roof air-conditioner and generator auto-start controls tied into the Spyder system and a new paint scheme. The sheet marks the axle ratings and GVWR as updated (GVWR 29,800 lb).

Notes

Length, slide-out count and holding tanks vary by floorplan: the 33 FL is 35 ft 2 in with four slide-outs and 50-gallon grey and black tanks; the 38 BL and 38 CL are 39 ft 6 in with three slide-outs and 65-gallon grey and black tanks. GVWR 29,800 lb. GCWR 33,000 lb, DEF tank 13 gallons, LP tank 20.3 gallons. The document's embedded title is 'MY25 Byway Specifications_10.28.24'. The product brochure linked here was not opened.

Brochures and sources

Links open the original page. Facts are checked against these sources; tell us if you find one that is out of date.

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