Universal 3D‑printed testing adapter for bench-testing multiple GM/Ford automatic transmissions. Compatible with 6T30, 6T35, 6T40, 6T45 (Gen 1 & 2), 6F35, 6HP19/21/26/26A/26X/28/32, 6R80W, and 6R75W. - image

Files (1)

6T40_UNIVERSAL.stl

STL

21.4 MB

Print guidance estimate

Uses saved filament metadata

Print cost & setup estimate

Setup guidance plus saved or slicer-confirmed filament, cost, and time. Model file size is never treated as printable volume.

1 model file

Recommended kit

50g

Based on 25% main infill across listed model files

Material cost

$1.20

Filament only at roughly $24/kg PETG / ASA

Print time

2.0h saved / 1.4h–2.4h estimate

Uses 70 mm/s, 0.2 mm layers; verify supports in slicer

STL file	Role	Source size	PETG / ASA 20%	PETG / ASA 25%	100% solid	Recommendation
6T40_UNIVERSAL.stl	Primary model	21.4 MB STL	46g $1.10	50g $1.20	110g $2.63	Ensure proper orientation in slicer for optimal printing

Saved setup guidance is used for material, infill, support, and per-file recommendation text; editable numbers are planning estimates only.

Accessories

Universal 3D‑printed testing adapter for bench-testing multiple GM/Ford automatic transmissions. Compatible with 6T30, 6T35, 6T40, 6T45 (Gen 1 & 2), 6F35, 6HP19/21/26/26A/26X/28/32, 6R80W, and 6R75W.

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Michael Chen

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Description

A single 3D‑printed adapter for bench-testing a wide range of automatic transmissions. Use it with your existing test rig or bench setup. Designed for use with Solenoid Tester This adapter works with the Solenoid Tester v5.3 — a professional bench for air-testing transmission solenoids. Visual graphs, reference curves for 6T40, 6F35, and others, no oil required. Ideal for garage or home use. 6T family (GM): 6T30, 6T35, 6T40, 6T45 — Gen 1 & Gen 2 6HP (ZF): 6HP19, 6HP21, 6HP26, 6HP26A, 6HP26X, 6HP28, 6HP32.

Print Settings

Time: 2h

Filament: 50g

Supports: Not needed

Compatible Cars

Ford (all models)

Published Mar 8, 2026Updated Jul 15, 2026

Originally published on thingiverse.com · License: CC BY

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Part lists

BMW

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