2003 Isuzu H-Series

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Isuzu and GM work together from a pretty long time and one the models than was born from this relationship is the H-Series truck.

The H Series is built on the same chassis as the Chevrolet Kodiak and GMC Topkick . Isuzu’s truck is available as a medium duty Class 6, 7, and 8 truck. The H Series is also available in various GVW which range from 25,950 to 54,600 lbs.

Similarly with its siblings from GM, the H-Series also comes with both regular and crew cabs, but unlike its brothers it’s equipped with its own inline-6 turbodiesel engines.

Design

The Isuzu H-Series shares almost the same exterior design with the GMC Topkick and Chevrolet Kodiak. Though, a keen eye will spot the reshaped headlights and the different grille which gives the H Series its unique style.

The rest of the body remained unchanged and the truck keeps the same oversized front fenders and the lateral air intakes mounted on each side of the hood.

The bumper comes with a pretty basic shape which hasn’t any dynamic line to break up the monotony. Needless to say the truck is huge, as it measures eight feet wide and almost eight feet tall.

The rest of the body features a pretty conventional design which is mixed with squared lines and straight angles.

The Isuzu H-Series is fitted with a pair of convenient footsteps and grab handles that were designed to help you get inside safely.

Interior

The Isuzu H Series’s interior is fairly spacious and there is plenty of head and leg room for both the driver and passenger. The plastics and materials are slightly better than what you’ll usually find in this segment, but the build quality is far from being part of the first class.

Keeping in trends with most of today’s trucks, the center stack is slightly curved toward the driver to offer easy access to the controls. The rest of the knobs and switches are also placed within easy reach and the overall ergonomy is pretty good.

The air suspended driver’s seat is fairly comfortable and also comes with a wide range of adjustments which will help you find your favorite driving position in no time. The four spoke steering wheel isn’t our first choice when it comes to design or ergonomy, but at least it feels great to hold and can be adjusted.

The main problem is that you barely see anything that sits too close from the truck, but Isuzu solved this problem by adding a set of standard all around cameras to cover all blind spots. Despite the cameras however, the rear visibly still remains a problem.

Needless to say that the cabin is fitted with all sorts of useful storage places and you won’t have any problems in this department.

Engines and performance

The Isuzu H Series is equipped with a 7.8 liter turbocharged engine which is borrowed from the F Series. The engine develops a maximum output of 200 hp at 2400 rpm with a peak torque of 441 lb.ft. at 1500 rpm.

The engine is available with a range of manual and automatic transmissions which include the Allison 2000, 3000 and 3500 Series automatics and the Eaton-Fuller manuals which range from 560 to 860 lb-ft gross torque, and from 6 to 10 speed.

Thanks to its generous torque, the engine is fairly capable of dealing with heavy weights and it’s a perfect match for the utilitarian character of the truck. Though it’s not as refined as other units in its class and it has also a pretty big fuel consumption.

You can overtake small and slow vehicles, but definitely not a good companion to relieve your sporty fantasies at night.

Isuzu H Series engines specifications

Enginehp@rpmlb.ft@rpm
7.8 liter200 @ 2400441 @ 1500

Ride and handling

The Isuzu H Series sits on an air suspension system that offers a pretty comfortable ride which is better than most other medium duty trucks found in this class. Despite its gargantuan proportions, the H Series isn’t difficult to maneuver, thanks to its light and sharp steering. Though don’t expect to get any sort of road feedback.

Body lean is pretty small and the truck feels well balanced during high speed driving. Another good news is that should you get too frisky with the go pedal, the brakes will do a bang-up job of bringing things under control. There is also a pretty capable engine break available.

Verdict

Unlike its GM twins which can be considered both utility and life style vehicles, the Isuzu H Series is more on the rugged side work and was designed mostly for utilitarian purposes.

The cabin is pretty comfortable and offers plenty of space with a good overall ergonomy. The engine is also a good match for the rugged character of the truck and the ride and handling abilities are better than expected.


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