- 2009 Factory-verified
Also described as Max Trailering PackageEnhanced towing performance packageMax Trailering packageMax trailering package
Also documented for CadillacGMC
Documented applications
- 2017–2018, 2022–2027 Factory-verified
the 2025–2027 guides read Enhanced Towing Performance Package and raise the gross combined weight rating to 20,000 lbs (9072 kg); O: Cutaway 1WT CG33803, Cutaway 1WT CG33903 (2025–2026); not offered: Cutaway 2WT (2025–2026), Cutaway CG33503; in the 2025–2027 guides only in the Cutaway guides
- 2027 Factory-verified
includes V03
- 2006–2007 Factory-verifiedGM Heritage factory kit — 2006 Chevrolet Silverado, p.61.GM Heritage factory kit — 2007 Chevrolet Silverado, p.56.
- 2009 Factory-verified
- 2025–2027 Factory-verified
only in: 2500 HD, 3500 HD
- 2015, 2017 Factory-verified
- 2019, 2020, 2022–2026 Factory-verified
- 2009 Factory-verified
- 2015–2019 Factory-verified
A on all trims; includes GU6, JL1, Z85 (LS and LT) and, on 4WD, NQH; not with Z71; 2016: LS: included with PDP; the lists read performance package, enhanced towing; the GMC K2XX docs read HD Trailering package; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: O on all trims; includes ZL6, JL1, V03
- 2009 Factory-verified
- 2015–2019 Factory-verified
A on all trims; includes GU6, JL1, Z85 (LS and LT) and, on 4WD, NQH; not with Z71; 2016: LS: included with PDP; Special Service: A, requires PZX and RKX; the lists read performance package, enhanced towing; the GMC K2XX docs read HD Trailering package; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)
- 2022–2023, 2025–2027 Factory-verified
2027: LS, LT, RST, Z71, Premier, High Country: O; includes ZL6, JL1, V03
This page aggregates every documented appearance of NHT in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.