Press Release
2009 HUMMER H3T PRELIMINARY SPECIFICATIONS
Overview
| Model: | HUMMER H3T |
| Body style / driveline: | Crew Cab (5 passengers), front-engine rear-wheel drive and four-wheel drive pickup |
| EPA vehicle class: | compact pickup |
| Construction: | welded steel frame, electro galvanized steel |
| Manufacturing location: | Shreveport, La. |
| Key competitors: | Toyota Tacoma, Nissan Frontier, Dodge Dakota |
Engine
| Type: | 3.7L I-5 | 5.3L V-8 |
| Displacement (cu in / cc): | 223 / 3653 | 325 / 5328 |
| Bore & stroke (in / mm): | 3.76 x 4.0 / 95.5 x 102 | 3.78 x 3.62 / 96 x 92 |
| Block material: | lost foam cast aluminum | cast aluminum |
| Cylinder head material: | lost foam cast aluminum | cast aluminum |
| Valvetrain: | dual overhead camshafts, continuously variable exhaust valve timing, 4 valves-per-cylinder, with dual balance shafts | OHV, 2 valves per cylinder |
| Ignition system: | distributorless electronic spark, coil-on-plug, platinum-tipped spark plugs | coil near plug, composite intake manifold, platinum-tipped spark plugs, low-resistance spark plug wires |
| Fuel delivery: | sequential fuel injection | sequential fuel injection |
| Compression ratio: | 10.0:1 | 9.9:1 |
| Horsepower (hp / kW @ rpm): | 242 / 180 @ 5600* | 300 / 224 @ 5200* |
| Torque (lb-ft / Nm @ rpm): | 242 / 328 @ 4600* | 320 / 434 @ 4000* |
| Recommended fuel: | regular unleaded | regular unleaded |
| Maximum engine speed (rpm): | 6300 | 6000 |
| Emissions controls: | dual “split converter” design; LEV II | close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor |
| Fuel economy (mpg city / hwy): | TBD | TBD |
Transmissions
| MA5 | Hydra-Matic 4L60 | |
| Type: | 5-speed manual | 4-speed electronically controlled automatic |
| Gear ratios (:1): | ||
| First: | 3.75 | 3.06 |
| Second: | 2.20 | 1.63 |
| Third: | 1.37 | 1.00 |
| Fourth: | 1.00 | 0.70 |
| Fifth: | 0.73 | ----- |
| Reverse: | 3.67 | 2.29 |
| Stall ratio: | NA | 1.90 |
| Final drive axle ratio: | 4.56 | 4.56 (3.7L), 4.10 (5.3L) |
| Low range lock gear reduction: | 2.64 std, 4.03 opt | 2.64 std, 4.03 opt |
| Crawl ratio (range): | 33:1 std, 68.9:1 opt | 33:1 std, 50:1 opt |
Chassis / Suspension
| Front: | independent SLA torsion bar, 46-mm monotube gas-charged shocks, 36-mm tubular stabilizer bar |
| Rear: | “Hotchkiss”-design multileaf, semi-elliptic dual-stage leaf spring, 46mm mono-tube gas-charged shocks, 25mm rear solid diameter stabilizer bar |
| Steering type: | power-assisted rack-and-pinion, with tri-bushing mount design |
| Steering ratio: | 16:1 |
| Steering wheel turns, lock-to-lock: | 3.125 |
| Turning circle, curb-to-curb (ft / m): | 43.8 / 13.3 |
Brakes
| Type: | electro-hydraulic power 4-wheel disc, 4-wheel anti-lock, four-piston opposed (fixed) front caliper/single piston sliding rear caliper with Dynamic Rear Proportioning |
| Rotor diameter x thickness (in / mm): | front: 12.4 x 1.1 / 315 x 28 rear: 12.28 x 0.47 / 312 x 12 |
| Total swept area (sq in / sq cm): | front: 69.4 / 448 rear: 51 / 328 |
Wheels/Tires
| Wheel size & type: | 16-inch x 7.5-inch steel std.; 16-inch x 7.5-inch aluminum opt. |
| Tires: | std: P265/75R16; opt: LT285/75R16 on-/off-road Bridgestone radials (with ZM6 Adventure package) |
| Spare tire: | full-size spare |
Dimensions
| Wheelbase (in / mm): | 134.2 / 3409 |
| Overall length (in / mm): | 210.3 / 5343 |
| Overall width (in / mm): | 85.1 / 2161 |
| Overall height (in / mm): | 72.2 / 1835 |
| Track (in / mm): | front: 65.5 / 1665 rear: 66.1 / 1678 |
| Minimum ground clearance front (in / mm): | w/ 32-inch tires: 9.5 / 242 w/ 33-inch tires: 10.2 / 285 |
| Step-in height (in / mm): | |
| Front: | w/ 32-inch tires: 23.4 / 594 |
| Rear: | w/ 32-inch tires: 23.9 / 607 |
| RTI | 21.7 |
| Approach angle (degrees): | w/ 32-inch tires: 37.1 w/ 33-inch tires: 38.7 |
| Departure angle (degrees): | w/ 32-inch tires: 29 w/ 33-inch tires: 30.1 |
| Breakover angle (degrees): | w/ 32-inch tires: 20.1 w/ 33-inch tires: 21.2 |
| Grade capability (percent): | 60 |
| Side slope capability (percent): | 40 |
| Water fording capability (in / mm): | 24 / 610 (at 5 mph) |
| Curb weight (lb / kg): | 4850 / 2200 |
Interior
| Seating capacity: | 5 |
| Headroom (in / mm): | |
| Front: | w/ sunroof: 39.9 / 1013 w/o sunroof: 40.7 / 1034 |
| Rear: | w/ sunroof: 37.3 / 947 w/o sunroof: 39.4 / 1002 |
| Legroom (in / mm): | |
| Front: | 41.9 / 1063 |
| Rear: | 33.8 / 859 |
| Shoulder room (in / mm): | |
| Front: | 54.4 / 1381 |
| Rear: | 54 / 1372 |
| Hip room (in / mm): | |
| Front: | 53.8 / 1366 |
| Rear: | 52.6 / 1336 |
Cargo Box
| Cargo volume (cu ft / L): | 35.67 / 1010 |
| Length at floor (in / mm): | 59.3 / 1506 |
| Width at floor (in / mm): | 50.5 / 1281 |
| Width between wheel housings (in / mm): | 44.2 / 1123 |
| Tailgate width (in / mm): | 54.6 / 1387 |
| Inside height (in / mm): | 19 / 481 |
Capacities
| GVWR, standard (lb / kg): | 6001 / 2722 (3.7L) 6100 / 2767 (5.3L) |
| Payload, base (lb / kg): | 1150 / 522 (3.7L) 1015 / 460 (5.3L) |
| Fuel tank (gal / L): | 25.7 / 97.3 |
| Engine oil (qt / L): | 6 / 5.7 |
| Maximum trailer weight (lb / kg): | 4400 / 1996 (3.7L) 5900 / 2676 (5.3L) |
| Maximum tongue weight (lb / kg): | 450 / 204 |
*Pending SAE certification.
