# GM’s Huge 8.3-Liter ‘Mongoose’ Diesel for Chevy and GMC’s HD Trucks Cranks Out 1230 LB-FT of Torque

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-25 13:29 UTC · Category: Business · Sources: 4 · Current Velocity: 2

## Key People, Organizations & Locations
Diesel, Chevy, OUT, Huge, GMC, Trucks, Liter, Mongoose, Cranks, LB-FT

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Motor1.com | GM’s New Mongoose 8.3-Liter Duramax Diesel Makes 555 HP, 1,230 LB-FT | 2026-09-24 14:00 | [Source Link](https://news.google.com/rss/articles/CBMidkFVX3lxTFAwQW9rMnhRb0toTXIyTjl4OTdLSXRPUGE5REdudlQtdXZkU1VON3kyQWwwcGpjUzRWNV9ieDdMUHIxYmNSV2ZoUWhqSEx6eEUzR1hLUGNuZVk3RHoySUJtY3E4WGZLcWt4bDd4Q2RTdFpKODlVVEE?oc=5) |
| Bloomberg.com | GM Faces Down Fuel Prices With Big Trucks and Bigger Engines | 2026-09-24 14:00 | [Source Link](https://news.google.com/rss/articles/CBMixAFBVV95cUxPTDZ5UDV5OEpOVFZZWl9JQ0JWeTNZODJEeDR5cTVWeE95S3V2bzcxa3RuZGZTYWVieVlPQV9GRTY4QmN6WHl0ZG53SGQzeEFCZVBvQWFYLW1YclBaam5uUVVvR25NWGUtOEdiSXNiR1JWNmtSNExDOS1QclBaVXZwb1duSGtabUlCdXc4VDRfZTJQRWJ1bUlWX3ZLc1czYTg0MXZBMVV2akhnUE04cEp4M0RXcVNuaTE4djZ6OUUxdWlGMWtm?oc=5) |
| Edmunds | 2027 Chevy Silverado 1500 vs. Ford F-150 and Toyota Tundra: Half-Ton Updates Compared | 2026-09-24 14:00 | [Source Link](https://news.google.com/rss/articles/CBMinwFBVV95cUxQLTQyVkRqc204ZXYwY2NrdFZEWHppdUcxN3VxMUlldjhuZWV4NUcyZmJfWTQ2YlhzQUE1QUhzLTcwMDJtc3FkREl4b1BYTjZrVVZVYWRVSFZzR3lxdGFGTWoxWnoyWGd2UkFVTEo4NUUzMnZIeFVFc25aOWVDVW9aZUFnNkFIbEd1c3ozZHpwUWpveF84X2xwMlgtSzRjMGc?oc=5) |
| Road & Track | GM’s Huge 8.3-Liter ‘Mongoose’ Diesel for Chevy and GMC’s HD Trucks Cranks Out 1230 LB-FT of Torque | 2026-09-24 14:00 | [Source Link](https://news.google.com/rss/articles/CBMizAFBVV95cUxQeFd0V2FkU1ZCSXVHbFlIN0h0bEQ0d2ppdFFZeE92RzlCN295RnFicWFqZGJkVlptT2lKdURfLThXUlBIU1VIQTg3QjZwLVNlVTZXd3ZsdVU1Rjl4eXVESzZ0Nm95VWY1QTQ5M1lVckZDelJBbE9vcm5MYXhibVlKZ3IxX1JwZmFIZ2xfNkRDYkc4THVKUml3R0tXNmp1YzlLMDFuSDdSZGJOZ3ZLSHN2RmpnZFk4dzhTX1NwZEFwcGxnbnZ2dGZzT3I5YVM?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-25/gm-s-huge-8-3-liter-mongoose-diesel-for-chevy-and-gmc-s-hd-trucks-cranks-out*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*