GVWR, 11,100 lbs (5035 kg), single rear wheels

Years 2014–15, 2019, 2025–26 Models 3 Factory citations 5

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Also described as GVWR, 11,100 lbs (5035 kg)

Also documented for Chevrolet

Documented applications

Sierra HD — GMT900 (2007–2014)

2014 Factory-verified

only in: 3500

GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.4.

Sierra HD — K2XX (2015–2019)

2015, 2019 Factory-verified

only in: 3500HD; 2015 marks: Sierra, SLE, SLT: O; 2019: GM's 2019 Sierra 3500HD order guide

GM factory document — 2015 gmc sierra 3500hd fleet order guide wayback, p.4.
GM factory document — 2019 gmc sierra 3500hd order guide copy gm authority, p.24.

Sierra HD — T1XX (2020–2027)

2025–2026 Factory-verified

only in: 2500 HD

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

This page aggregates every documented appearance of JFN in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.