Tuesday, January 29, 2008

Official: Hummer H3T Ready for Chicago


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.



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