Official Press Release:
The 2006 H1 Alpha, that includes GM’s Duramax 6600 diesel engine, takes HUMMER efficiency to its final extension and represents the only best advance within the 14-year historical past of the unique HUMMER.
Arriving in dealerships in early 2005, the H1 Alpha delivers extra energy, extra torque, and enhanced on- and off-road functionality, with considerably improved gas economic system. GM’s award-winning Duramax 6600 (6.6-liter) turbo-diesel engine and Allison 1000 five-speed automated transmission give the H1 Alpha dramatic efficiency enhancements and add to the H1’s legendary off-road capabilities.
H1 Alpha is the primary in HUMMER’s new efficiency sequence. “Alpha represents HUMMER efficiency taken to its final extension,” stated Susan Docherty, HUMMER normal supervisor. “That means enhancing HUMMER’s already-unmatched off-road functionality, together with enhancements to gas effectivity and driving consolation on the street. As the unique HUMMER, the H1 is the right automobile to mark the beginning of the Alpha sequence.”
As was the case for earlier H1s, the 2006 H1 Alpha will probably be supplied in each Open Top and Wagon fashions. The Duramax 6600 replaces the earlier 6.5-liter Optimizer Turbo-Diesel, which is able to proceed on as the facility plant for the navy HUMVEE, the automobile on which the H1 relies. All business H1s produced for the 2006 mannequin yr will probably be H1 Alpha fashions. H1s used for fleet gross sales will use the Optimizer engine.
H1 Alpha marks one other vital facet of HUMMER’s ongoing development, because the model introduces new fashions and makes vital enhancements to current fashions. The H2 SUT, a brand new model of the H2 that includes a pickup-style cargo mattress, started gross sales in the summertime of 2004. The all-new H3, packing genuine HUMMER design and functionality right into a smaller and extra fuel-efficient automobile, arrives at dealerships within the spring of 2005.
Alpha efficiency:
H1 Alpha is the very best performing H1 ever, with extra horsepower, extra torque and higher gas economic system. The Duramax 6600 delivers 300 horsepower at 3000 rpm, a 46 p.c enhance over earlier H1s geared up with the 6.5-liter Optimizer Turbo-Diesel. Peak torque is an enormous 520 lb.-ft. at 1500 rpm, a rise of 18 p.c.
The H1 Alpha’s elevated energy makes its already-extreme off-road crawling and climbing capacity stronger. On the street, the brand new powertrain offers smoother, quieter and extra comfy operation, with higher acceleration. Zero-to-60 acceleration improves by a full three seconds to 13.5 seconds, respectable for a truck that’s an off-road performer with out peer.
At the identical time, gas economic system of the H1 additionally improves. Preliminary testing signifies considerably improved gas economic system. A revised gas system additionally will increase capability of the H1’s two on-board tanks to 51.5 gallons, 9.5 gallons greater than earlier H1s. The elevated tank capability combines with the effectivity of the Duramax to boost cruising vary from 400 miles to an estimated 570 miles between fill-ups.
The Allison 1000 transmission is a crucial facet of the H1 Alpha’s complete efficiency enhancements. This five-speed automated from Allison Transmission is extraordinarily stout and sturdy as it’s utilized in medium- and heavy-duty business vehicles. The Allison 1000 encompasses a Tow/Haul mode that adjusts shift patterns for optimum efficiency when the automobile is towing or carrying heavy masses. The Allison unit aids the H1 in extreme maneuvers with options equivalent to improved drivetrain braking and a crawl ratio of 45:1, a rise of twenty-two p.c.
With the improved energy and effectivity of the H1 Alpha comes a rise in towing capability. Gross Combined Weight Rating (the sum of auto, most cargo and towing capacities) will increase 2,000 kilos, to 17,300 kilos.
Several different areas of the H1 Alpha even have been enhanced, along with the drivetrain. Brake rotors are bigger, going from 10.7 inches to 12 inches in diameter. The half-shafts on every axle and the steering gear have all been bolstered to higher handle the Alpha’s elevated capabilities. One of the H1’s distinctive suspension options from its outset are the geared hubs at every wheel that contribute to the truck’s unimaginable crawling and climbing capacity. These have been redesigned for the H1 Alpha and have a helical-cut gear set. This new design improves gear engagement, which reduces each the noise and rocking movement throughout deceleration and stopping maneuvers.
To accommodate the brand new dimensions of the Duramax 6600 and Allison 1000, the physique of the H1 Alpha is positioned 2 inches increased than the earlier H1. This offers barely extra clearance for the physique panels from the wheels and from potential obstacles on trails.
Alpha is about efficiency, greater than type. However, there are a number of visible enhancements to the H1 Alpha. The new Alpha protect brand seems on a badge simply above the rear bumper. A Duramax badge adorns the entrance driver’s facet nook of the physique, surrounded by a redesigned brush guard. The wheels have additionally been freshened, that includes a brand new, brighter end.
On the within, the H1 Alpha options the brand new inside that debuted on the 2004 H1. Those enhancements included aniline leather-based seats, revised controls, and extra luxurious surfaces all through.
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