Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 3500 HD |
| Generation | Silverado 3500 HD IV (T1XX, facelift 2024) Crew Cab Long Bed |
| Type (Engine) | 6.6 Duramax TD V8 (470 Hp) 4WD SRW Automatic |
| Start of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Diesel |
| Weight-to-power ratio | 7.6 kg/Hp, 131.1 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 368.9 Nm/tonne |
| Power | 470 Hp @ 2800 rpm |
| Power per litre | 71.2 Hp/l |
| Torque | 1322 Nm @ 1600 rpm (975.06 lb.-ft. @ 1600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | L5P |
| Engine displacement | 6604 cm3 (403 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103 mm (4.06 in.) |
| Piston Stroke | 99 mm (3.9 in.) |
| Compression ratio | 16:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | OHV |
| Engine oil capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Coolant | 28.5 l (30.12 US qt | 25.08 UK qt) |
| Kerb Weight | 3584 kg (7901.37 lbs.) |
| Max. weight | 5557 kg (12251.09 lbs.) |
| Max load | 1973 kg (4349.72 lbs.) |
| Fuel tank capacity | 136 l (35.93 US gal | 29.92 UK gal) |
| Permitted trailer load with brakes (12%) | 9072 kg (20000.34 lbs.) |
| Length | 6759 mm (266.1 in.) |
| Width including mirrors | 2079 mm (81.85 in.) |
| Height | 2049 mm (80.67 in.) |
| Wheelbase | 4369 mm (172.01 in.) |
| Front track | 1731 mm (68.15 in.) |
| Rear (Back) track | 1736 mm (68.35 in.) |
| Ride height (ground clearance) | 283 mm (11.14 in.) |
| Drivetrain Architecture | All wheel drive (4×4). ICE drives rear wheels, front wheels engaged via clutch. |
| Number of gears and type of gearbox | 10 gears, automatic transmission Allison |
| Front suspension | Independent torsion bar, double wishbone |
| Rear suspension | Rigid axle suspension, Leaf spring |
| Front brakes | Ventilated discs, 355×40 mm |
| Rear brakes | Ventilated discs, 360×34 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Power steering | Hydraulic Steering |
| Tires size | 275/70 R18; 275/65 R20 |
| Wheel rims size | 8J x 18; 8.5J x 20 |
The 2024 Chevrolet Silverado 3500 HD IV Crew Cab Long Bed with the 6.6L Duramax diesel represents a significant evolution of Chevrolet’s heavy-duty truck offerings. Built on the T1XX platform, this iteration of the Silverado 3500 HD focuses on enhancing both capability and interior refinement. The “IV” designation signifies the fourth generation of the HD series, with the 2024 model year receiving a substantial facelift. This particular configuration is aimed at customers who demand a powerful and capable truck for demanding tasks like heavy towing, commercial use, or recreational activities requiring substantial payload capacity. The Crew Cab configuration provides ample passenger space, while the Long Bed offers increased cargo versatility.
Powertrain & Engine Architecture
At the heart of this Silverado 3500 HD lies the 6.6-liter L5P Duramax turbo-diesel V8 engine. This engine is a cornerstone of Chevrolet’s heavy-duty lineup, renowned for its robust construction and impressive torque output. The L5P utilizes a cast iron block, aluminum cylinder heads, and a forged steel crankshaft. It employs a high-pressure common rail direct fuel injection system, delivering fuel at extremely high pressures for optimized combustion. The engine features a variable geometry turbocharger (VGT) and an intercooler to maximize power and efficiency. The overhead valve (OHV) valvetrain, while traditional, is known for its durability and simplicity. The 10-speed Allison automatic transmission is specifically calibrated to handle the engine’s substantial torque, providing smooth and efficient power delivery. This transmission features electronically controlled shifts and a tow/haul mode optimized for heavy loads.
Driving Characteristics
The combination of the 470 horsepower and 1322 lb-ft of torque delivered by the Duramax engine and the 10-speed Allison transmission results in a driving experience that prioritizes effortless towing and hauling. While not designed for outright speed, the Silverado 3500 HD offers ample power for merging onto highways and maintaining speed even when heavily loaded. The 10-speed transmission’s close gear ratios help keep the engine in its optimal power band, maximizing efficiency and responsiveness. Compared to gasoline-powered Silverado 3500 HD models, the diesel variant provides significantly more low-end torque, making it ideal for pulling heavy trailers or navigating challenging terrain. Compared to earlier Duramax engines, the L5P benefits from improved refinement and reduced noise, vibration, and harshness (NVH).
Equipment & Trim Levels
The 2024 Silverado 3500 HD IV Crew Cab Long Bed 6.6 Duramax typically comes standard with a comprehensive suite of features. These include a user-friendly infotainment system with a large touchscreen display, Apple CarPlay and Android Auto compatibility, and a premium audio system. Interior appointments typically include cloth or leather upholstery, depending on the specific trim level. Higher trims offer features such as heated and ventilated front seats, a power-adjustable driver’s seat, and a panoramic sunroof. Available optional extras include a bed liner, a trailer brake controller, a gooseneck hitch, and various driver-assistance technologies like adaptive cruise control and lane departure warning.
Chassis & Braking
The Silverado 3500 HD utilizes a robust chassis designed to withstand the stresses of heavy-duty use. The front suspension features an independent torsion bar setup with double wishbones, providing a comfortable ride and precise handling. The rear suspension employs a traditional leaf spring design, optimized for load-carrying capacity. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power even when towing heavy loads. An Anti-lock Braking System (ABS) is standard. The steering system utilizes a hydraulic power steering setup, offering a responsive and predictable feel.
Market Reception & Comparison
The 2024 Silverado 3500 HD with the Duramax diesel engine has been generally well-received by automotive critics and consumers alike. Reviewers praise its impressive towing and hauling capabilities, comfortable ride quality, and refined interior. Compared to its rivals, such as the Ford Super Duty and Ram Heavy Duty, the Silverado 3500 HD offers a competitive combination of power, features, and value. Fuel economy, while not a primary concern for heavy-duty truck buyers, is respectable for a vehicle of this size and capability. Reliability has been a strong point for the Duramax engine, although regular maintenance is crucial to ensure long-term durability.
Legacy
The 6.6-liter Duramax diesel engine has established itself as a benchmark in the heavy-duty truck segment. Its reputation for reliability and longevity has made it a popular choice among truck owners for years. The L5P variant, found in the 2024 Silverado 3500 HD, continues this legacy, offering a potent and dependable powertrain for demanding applications. On the used car market, well-maintained Silverado 3500 HD models with the Duramax engine command premium prices, reflecting their proven durability and capability. The combination of the Duramax engine and Allison transmission is expected to remain a desirable and sought-after configuration for years to come.
