Chevrolet Silverado 3500HD
Maintenance specs for 5 variants of the Chevrolet Silverado 3500HD — from 2001 to 2026.
2001–2006 Chevrolet Silverado 3500HD
6.6L Duramax Turbo-Diesel V8 (LB7/LLY) · 4WD DRW
300 hp / 520 lb-ft
Transmission
Type5-Speed Automatic (Allison 1000)
FluidAllison TES-295/Dexron VI
Drain & fill7.4 qt
Full capacity17 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity32 oz
Differentials
Front capacity1.8 qt
Rear capacity5.5 qt
Transfer Case
Capacity2.2 qt
Fuel
Tank34 gal
TypeDiesel
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Brake fluid60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt100,000 mi
2007–2013 Chevrolet Silverado 3500HD
6.6L Duramax Turbo-Diesel V8 (LBZ/LMM/LML) · 4WD DRW
365 hp / 660 lb-ft
Transmission
Type6-Speed Automatic (Allison 1000)
FluidAllison TES-389/Dexron VI
Drain & fill7.4 qt
Full capacity17.5 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity32 oz
Differentials
Front capacity1.8 qt
Rear capacity5.5 qt
Transfer Case
Capacity2.2 qt
Fuel
Tank36 gal
TypeDiesel
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Brake fluid60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi
2014–2019 Chevrolet Silverado 3500HD
6.6L Duramax Turbo-Diesel V8 (L5P) · 4WD DRW
445 hp / 910 lb-ft
Engine Oil
Weight15W-40 (Dexos 2)
Capacity10 qt
FilterPF2232
Transmission
Type6-Speed Automatic (Allison 1000)
FluidAllison TES-668/Dexron HP
Drain & fill7.4 qt
Full capacity17.5 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Capacity32 oz
Differentials
Front capacity1.8 qt
Rear capacity5.5 qt
Transfer Case
Capacity2.2 qt
Fuel
Tank36 gal
TypeDiesel
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt150,000 mi
2020–2026 Chevrolet Silverado 3500HD
6.6L Duramax Turbo-Diesel V8 (L5P) · 4WD DRW
470 hp / 975 lb-ft
Engine Oil
Weight15W-40 (Dexos 2)
Capacity10 qt
FilterPF2232
Transmission
Type10-Speed Automatic (Allison 10L1000)
FluidAllison TES-668/Dexron HP
Full capacity17.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Front capacity1.8 qt
Rear capacity5.5 qt
Transfer Case
Capacity2.2 qt
Fuel
Tank36 gal
TypeDiesel
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt150,000 mi
2020–2026 Chevrolet Silverado 3500HD
6.6L V8 Gas (L8T) · 4WD DRW
401 hp / 464 lb-ft
Transmission
Type6-Speed Automatic (6L90)
FluidDexron HP
Drain & fill7.4 qt
Full capacity13 qt
Power Steering
TypeElectric (no fluid)
Differentials
Front capacity1.8 qt
Rear capacity5.5 qt
Transfer Case
Capacity2.2 qt
Fuel
Tank36 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Brake fluid45,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt150,000 mi