Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2009 Chevrolet Silverado 2500HD Regular Cab with long box, 2WD & 4WD options. Read the complete specs on the Vortec 6.0L V-8 and Duramax 6.6L V-8 power plants.
| 2009 Chevrolet Silverado 2500HD Regular Cab |
| Models: | 2500HD reg. cab, long box, 2WD & 4WD |
| Body style / driveline: | 2-3 passenger regular cab; 3/4-ton; 2- and 4-wheel-drive heavy duty pickup |
| Construction: | body on frame |
| EPA vehicle class: | full-size truck |
| Manufacturing location: | Pontiac, Mich.; Flint, Mich. |
| Engines |
| | Vortec 6.0L V-8 (LY6) | Duramax 6.6L V-8 (LMM) |
| Type: | 6.0L V-8 | 6.6L V-8 |
| Displacement (cu in / cc): | 364 / 5967 | 403 / 6599 |
| Bore & stroke (in / mm): | 4.00 x 3.62 / 101.6 x 92 | 4.06 x 3.9 / 103 x 99 |
| Block material: | cast iron | cast iron |
| Cylinder head material: | cast aluminum | cast aluminum |
| Valvetrain: | OHV | OHV |
| Ignition system: | coil-near-plug, platinum- tipped spark plugs, low-resistance spark plug wires | compression, glow plug start aid; low-resistance spark plug wires |
| Fuel delivery: | sequential fuel injection | direct injection diesel with high pressure common rail |
| Compression ratio: | 9.6:1 | 16.8:1 |
| Horsepower (hp / kW @ rpm): | 360 / 268 @ 5400* | 365 / 272 @ 3200 |
| Torque (lb-ft / Nm @ rpm): | 380 / 515 @ 4200* | 660 / 895 @ 1600 |
| Recommended fuel: | regular unleaded | diesel |
| Maximum engine speed (rpm): | 6000 | 3450 |
| Emissions controls: | 3-way catalytic converter, positive crankcase ventilation, evaporative collection system | turbocharged, intercooled, catalytic converter system; diesel particulate filter system with regeneration |
| Transmissions |
| | Hydra-Matic 6L90 | Allison 1000 |
| Type: | 6-speed automatic (w/ Vortec 6.0L) | 6-speed automatic (w/ Duramax 6.6L) |
| Gear ratios (:1): |
| First: | 4.03 | 3.1 |
| Second: | 2.36 | 1.81 |
| Third: | 1.53 | 1.41 |
| Fourth: | 1.15 | 1 |
| Fifth: | 0.85 | 0.71 |
| Sixth: | 0.67 | 0.61 |
| Reverse: | 3.06 | 4.49 |
| Final drive ratio (std. & avail.): | Vortec 6.0L: 3.73 or 4.10
| Duramax 6.6L: 3.73 |
Photo: 2009 Chevrolet Silverado 2500HD Extended Cab