Technical Specifications
| Brand | Chevrolet |
| Model | Silverado 3500 HD |
| Generation | Silverado 3500 HD IV (T1XX, facelift 2024) Crew Cab Standard 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, 131.7 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 370.3 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 | 3570 kg (7870.5 lbs.) |
| Max. weight | 5489 kg (12101.17 lbs.) |
| Max load | 1919 kg (4230.67 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 | 6349 mm (249.96 in.) |
| Width including mirrors | 2079 mm (81.85 in.) |
| Height | 2054 mm (80.87 in.) |
| Wheelbase | 4037 mm (158.94 in.) |
| Front track | 1731 mm (68.15 in.) |
| Rear (Back) track | 1736 mm (68.35 in.) |
| Ride height (ground clearance) | 284 mm (11.18 in.) |
| Drivetrain Architecture | All wheel drive (4×4). ICE drives rear wheels, front 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 with the 6.6L Duramax diesel and 10-speed Allison automatic transmission is a heavy-duty pickup truck designed for demanding tasks. Built on the T1XX platform, this iteration represents a significant refresh of the Silverado HD line, focusing on increased capability, refined interior appointments, and updated technology. The Crew Cab configuration provides ample passenger space, while the standard bed offers a practical cargo area. This particular variant is aimed at customers who frequently tow large trailers – such as fifth-wheels, gooseneck trailers, or heavy equipment – and require a robust powertrain to handle the load.
Powertrain & Engine Architecture
At the heart of this Silverado 3500 HD lies the L5P 6.6-liter Duramax turbocharged diesel V8 engine. This engine is a cornerstone of Chevrolet’s heavy-duty offerings, known for its durability and substantial torque output. The L5P utilizes a cast iron block, aluminum cylinder heads, and a robust crankshaft designed to withstand the stresses of heavy hauling. The engine employs a high-pressure common rail direct fuel injection system, delivering fuel directly into the cylinders for optimized combustion. The turbocharger, coupled with an intercooler, provides increased air density for enhanced power and efficiency. The valvetrain utilizes an overhead valve (OHV) configuration. Paired with the engine is the Allison 10-speed automatic transmission, a heavy-duty unit specifically engineered to handle the high torque output of the Duramax diesel. This transmission features electronically controlled shifts and a wide gear ratio spread for optimal towing performance and fuel economy.
Driving Characteristics
The combination of the 470 horsepower and 975 lb-ft of torque delivered by the Duramax engine and managed by the 10-speed Allison transmission results in a driving experience focused on effortless power and control. While not designed for sporty acceleration, the Silverado 3500 HD excels at moving substantial weight. The 10-speed transmission allows the engine to remain within its optimal power band, even when climbing steep grades or towing heavy loads. Compared to the gasoline-powered Silverado 3500 HD variants, the diesel offers significantly more low-end torque, making it far more capable for demanding tasks. The automatic transmission provides smooth and predictable shifts, contributing to a comfortable driving experience, even under heavy load. The gear ratios are optimized for towing, providing ample pulling power without excessive engine strain.
Equipment & Trim Levels
The 2024 Silverado 3500 HD IV Crew Cab Standard Bed 6.6 Duramax typically comes standard with a comprehensive suite of features. These include air conditioning, power windows and locks, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a rearview camera. Higher trim levels, such as the High Country, add premium features like leather upholstery, heated and ventilated front seats, a premium sound system, and advanced safety technologies like adaptive cruise control and lane departure warning. Optional extras include a power sunroof, a bed liner, and various towing packages designed to enhance the truck’s capabilities.
Chassis & Braking
The Silverado 3500 HD features a robust chassis designed to withstand the stresses of heavy-duty use. The front suspension utilizes an independent torsion bar and double wishbone setup, providing a comfortable ride and stable handling. The rear suspension employs a traditional leaf spring configuration, optimized for load-carrying capacity. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power even when towing. An Anti-lock Braking System (ABS) is standard. The steering system utilizes a hydraulic power steering setup, offering responsive and precise control.
Market Reception & Comparison
The 2024 Silverado 3500 HD with the Duramax diesel engine has been generally well-received by automotive critics and truck enthusiasts. Reviewers consistently praise its impressive towing capacity, comfortable ride, and refined interior. Compared to the gasoline-powered Silverado 3500 HD models, the diesel variant offers superior fuel economy when towing heavy loads, although it comes at a higher initial cost. Compared to competitors like the Ford Super Duty and Ram Heavy Duty, the Silverado 3500 HD offers a competitive combination of capability, comfort, and value.
Legacy
The Duramax diesel engine has established a strong reputation for reliability and longevity. The L5P engine, in particular, has proven to be a durable and dependable powerplant. While long-term reliability data for the 2024 model is still emerging, previous generations of Duramax engines have consistently demonstrated the ability to exceed 200,000 miles with proper maintenance. On the used car market, Silverado 3500 HD models equipped with the Duramax diesel engine command a premium price due to their proven capability and durability. This variant continues to be a popular choice for those requiring a heavy-duty truck capable of handling the most demanding tasks.
