The Artec Dana 80 Rear Truss braces the biggest of the common one-ton rear ends — the Dana 80 found under 1985-up Ford F250/F350 and E-series and 1994-2002 Ram 2500/3500 trucks — against the bending and axle wrap that high horsepower and huge tires dish out. Spanning roughly 53" across centered-differential housings, it combines a 3/8" steel top plate with an interlocked 1/4" ram mount and gussets, giving you full-length tube reinforcement, a flat deck for upper links, and a proper home for a hydraulic steering ram in one weld-on package. The design accommodates pinion angles from 7 to 20 degrees, so it adapts to a wide range of driveline layouts.
Features
- 3/8" steel truss top for maximum stiffness across the housing
- 1/4" steel ram mount and gussets, interlocked for self-jigging assembly
- Approximately 53" span reinforces both tubes end to end
- Low profile keeps upper-link joints roughly 9" from the axle centerline
- Accommodates pinion angles from 7 to 20 degrees during setup
- Integrated ram mount for full-hydro steering builds
- Precision CNC cut and bent; made in the USA
This truss fits centered-differential Dana 80 housings — verify your diff position, tube dimensions, and pinion angle before final fit-up, since Dana 80s vary by donor. Installation is weld-on for experienced fabricators: strip the axle, preheat to around 400 degrees, stitch weld to control warp, and paint or powder coat the bare steel afterward. Mount your links with Truss Upper Link Mounts and the Dana 60 Lower Link Axle Brackets down below, compare the AAM 11.5 Rear Truss for GM and later Ram donors, or browse all axle reinforcements.
Dana 80 Rear Axle Truss FAQs
Which Dana 80 axles does this truss fit?
It fits centered-differential Dana 80 rear axles — the heavy one-ton-plus rear end under Ford F250/F350 and E-series from 1985-up and Ram 2500/3500 trucks from 1994-2002. The design accommodates pinion angles from 7 to 20 degrees, but Dana 80s vary by donor, so verify your diff position and dimensions before final welding.
Do I need the ram mount if I'm not running hydro steering?
No. The integrated 1/4" ram mount is there for builders running a full-hydraulic ram, and it simply goes unused on a conventional setup without interfering with the link mounting. If you add hydro later, the mount is already on the housing.
How involved is the installation?
This is a weld-on part that assumes real fabrication skills. Pull and strip the axle, preheat the housing to roughly 400 degrees, and stitch weld in alternating sections so the tubes stay straight — the interlocked gussets hold alignment while you work. Finish with paint or powder coat, since the truss ships as bare steel.
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