Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2023 Silverado 6500 HD.
Fluid capacities, tune-up values and fuel economy at a glance.
Engine, drivetrain, dimensions and economy.
| Overall length | 229.5 in |
| Overall width | 81.1 in |
| Overall height | 75.6 in |
| Wheelbase | 139.4 in |
| Curb weight | 4500 lb |
| Track (front / rear) | 68.1 / 68.1 in |
Capacities, torques and tune-up values from the factory service manual.
This engine DOT 4 brake fluid. Torque lug nuts to 100.0 ft-lbs. The firing order is 1-8-7-2-6-5-4-3.
| Brake Fluid | DOT 4 |
| Crankshaft Position (CKP) Sensor Bolt(s) | 18.0 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 18.0 ft-lbs |
| Camshaft Bearing/Carrier Cap Bolts or Studs | Retainer bolts: 11.0 ft-lbs |
| Crankshaft Pulley and/or Damper Bolts | 43.0 ft-lbs |
| Cylinder Head Instructions | Left side followed by the right side. |
| Cylinder Head Instructions | Left side followed by the right side. |
| Engine Coolant Temperature (ECT) Sensor Bolt(s) | 15.0 ft-lbs |
| Oxygen (O2S) Sensor Bolt(s) | 31.0 ft-lbs |
| Lug Nuts | 140.0 ft-lbs |
| Lug Nuts | 100.0 ft-lbs |
| Cylinder Firing Order | 1-8-7-2-6-5-4-3 |
| 1 | 15.0 ft. lbs., Step 2: 85° | 15 ft. lbs |
| 1 | 22.0 ft. lbs., Step 2: 59.0 ft. lbs., Step 3: 120°, Step 4: 24.0 | 22 ft. lbs |
| 1 | 22.0 ft. lbs., Step 2: 45° | 22 ft. lbs |
| 1 | 26.0 ft. lbs., Step 2: 30°, Step 3: 30°, Step 4: 30° | 26 ft. lbs |
| 1 | 7.4 ft. lbs., Step 2: 90° | 7.4 ft. lbs |
| 1 | 72.0 ft. lbs., Step 2: 97.0 ft. lbs., Step 3: 60°. Side Bolts: 59.0 | 72 ft. lbs |
| 1 | 2 Bolts | 9 ft. lbs |
| 1 | 7.4 ft. lbs., Step 2: 90° | 7.4 ft. lbs |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.