The Chevrolet Low Cab Forward Truck lineup receives several minor updates and changes for the 2021 model year, and offers the following models:
- 3500 and 4500 LCF Gasoline models
- 4500HD/XD and 5500HD/XD LCD Diesel models
- 6500XD LCF Diesel models
Notably, GM Authority was the first to report on the prospect of a new, more-powerful 7500 model which may be on the way.
Changes, Updates, New Features
*Coming soon.
The updates and changes described here are specific to the U.S. market and may differ for other markets.
Body Styles
The 2021 Chevrolet Low Cab Forward Truck lineup offers two-door and four-door truck in the medium duty class.
Models
The Chevy Low Cab Forward Truck model lineup includes the following Regular Cab and Crew Cab models:
3500 and 4500 Gas Models
- 109-inch Wheelbase Regular Cab
- 132.5-inch Wheelbase Regular Cab
- 176-inch Wheelbase Crew Cab
- 176-inch Wheelbase Regular Cab
- 150-inch Wheelbase Crew Cab
- 150-inch Wheelbase Regular Cab
4500HD/XD and 5500HD/XD LCF Diesel Models
- 132.5-inch Wheelbase Regular Cab
- 109-inch Wheelbase Regular Cab
- 150-inch Wheelbase Regular Cab
- 212-inch Wheelbase Regular Cab
- 150-inch Wheelbase Crew Cab
- 176-inch Wheelbase Crew Cab
- 200-inch Wheelbase Regular Cab
- 176-inch Wheelbase Regular Cab
6500XD LCF Diesel Models
- 170-inch Wheelbase Regular Cab
- 152-inch Wheelbase Regular Cab
- 224-inch Wheelbase Regular Cab
- 248-inch Wheelbase Regular Cab
- 212-inch Wheelbase Regular Cab
- 188-inch Wheelbase Regular Cab
- 236-inch Wheelbase Regular Cab
- 200-inch Wheelbase Regular Cab
*All 6500XD models have a 25,950 lb. GVWR.
To clarify, all 2021 Chevrolet Low Cab Forward Trucks are still offered exclusively as rear-wheel drive vehicles.
Powertrain
Back in February, GM Authority was the first to report that the 6.6L V8 L8T engine was imminent for the Chevrolet Low Cab Forward truck. First introduced in the all-new 2020 Chevrolet Silverado 2500 HD and 3500 HD pickups trucks, the new L8T engine was later announced for the 2021 Chevrolet Low Cab Forward truck in March, offering up more power and torque than the 6.0L V8 L96 engine which it replaces.
Engine | Fuel | Transmission | Horsepower (HP) / Kilowatts (kW) @ RPM | Torque (lb-ft) / Newton-Meters (N-m) @ RPM | Axle |
---|---|---|---|---|---|
6.6L V8 L8T | Gasoline | 6-Speed Automatic 6L90-E Hydra-Matic (MYD) | 350 / 261 @ 4500 | 425 / 575.8 @ 3800 | 4.10 for 3500 models, 4.30 for 4500 models |
5.2L I1B I4 | Diesel | 6-Speed Automatic Allison 2550RDS (MPQ) | 215 / 160.3 @ 2500 | 520 / 705 @ 1650 | 6.17 |
Platform
Like all units of the 2017 model year and newer Chevy LFC, the 2021 Chevrolet Low Cab Forward continues to ride on the Isuzu N-Series platform in the case of the Chevrolet LCF 3500 – 5500 and the Isuzu F-Series platform (in the case of the Chevrolet 6500XD). The trucks are built by Isuzu for General Motors.
Production
The 2021 Chevy Low Cab Forward range is assembled by Isuzu for General Motors.
Discussion
Discuss the 2018 Chevrolet  Low Cab Forward product line in our Chevrolet forum.
Low Cab Forward News
Chevy Low Cab Forward Sales Up Four Percent To 1,423 Units During Q2 2024
LCF medium-duty truck lineup continues positive trend.
Read More »GM Releases Fix For Chevy LCF 4500 And 5500 False Positive DTCs
Completed without any extra parts.
Read More »