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1999 GMC Sierra 2500 HD- PDF Print E-mail
Written by Double Dragon
Tuesday, 02 May 2017 17:27

1999 GMC Sierra 2500 HD-


Writing and photography copyright D. S. Brown

Metric= 6 L engine-

This GMC Sierra was ordered new as part of a fleet of trucks used by the railway for maintenance of the tracks. The OOCC Sierra was adapted to ride on the rails and ordered in one ton format for hauling. It came standard with a powerful Vortec 6.0 L engine (364 cubic inches) that cranks out 300 HP and 360 Ft/lbs of torque.

The two door cab seats four although back seats are small. Front seats flip forwards to allow access to the back. With the column shifter and full bench theoretically you could seat three across up front and rear but it would be a very snug ride.

Shortly after the truck was taken out of railway service, the engine was replaced after less than a decade of use. The rest of the drivetrain has been without issue with mileage now standing at 163,000 miles.

The gas log here gives typical 'hauling stuff' mileage figures. Temperatures were hovering around 35 degrees F (2 C) and the truck is always parked outside so it has to go through the warm up cycle. During steady rain with heater and headlights and wipers on the truck was driven in light traffic briskly with four adults aboard and 500 pounds in the truck bed. The suspension and ride were completely unaffected by the load. Wind resistence was probably increased by the objects sticking out above the top of the cab. Speeds averaged about 40 MPH with frequent stops and accelerations back up to speed.

It took about 4 gallons to refill the tank to the first click off after driving 16 miles which is about 4 MPG.

Last Updated ( Tuesday, 13 June 2017 21:29 )