Specs, fitment, and towing for the 2023 Chevrolet Silverado 1500 (3.0L Duramax Turbo-Diesel I6 (Max Trailering Pkg)).
Last verified: 2026-06-02
Source: https://www.thedrive.com/news/2023-chevy-silverado-1500s-duramax-diesel-gets-torque-bump-to-495-lb-ft — live source confirmed
Source live-checked today. The spec table below is this exact trim's published figures; where the source lists a lineup headline max, only the top trim reaches it. Snippet seen on source: "n’t as crucial for [jobs like towing](https://www.thedrive.com/news/42312/how-the-2"
| Spec | Value |
|---|---|
| Engine | 3.0L Duramax LZ0 turbo-diesel inline-6 |
| Horsepower | 305 hp |
| Torque | 495 lb-ft |
| Max towing | 13,300 lb |
| Max payload | 1,870 lb |
| GVWR | up to 7,200 lb |
| Curb weight | approx. 5,300-5,600 lb |
| Bed lengths | 5'10", 6'7" |
For 2023 the Duramax got a torque bump to 495 lb-ft; the 13,300 lb max is the 2WD best-case figure with the Max Trailering Package — most diesel crew cabs tow 9,500-12,000 lb depending on config.
SpecVault — every spec, every trim. Auto-refreshed each model year.
Data compiled from manufacturer & reference sources; verify against your owner's manual before relying on towing/GVWR figures.