Equipment Specs

Caterpillar 163H Motor Grader

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Caterpillar Motor Graders
Equipment Specifications - RitchieSpecs
Free specifications for all classes of equipment
Caterpillar 163H VHP
Caterpillar 163H VHP
Caterpillar 163H VHP blade
Caterpillar 163H VHP interior
The Caterpillar 163H motor grader was introduced in 1995. It was manufactured in the USA only.

[edit] Features

The 143H has a 3306 turbocharged engine with variable horsepower of 180 to 200 flywheel horsepower (FWHP). It has an eight speeds forward, six reverse direct drive powershift transmission with electronic control. It comes standard with hydraulically driven front wheels, all-wheel drive (AWD), a PPPC hydraulic system, integrated engine compartment doors, and an optional contour seat. Its blade position and operator station have been modified.

The 163H was given a 5AK serial number prefix.

[edit] Modifications

In 1996 Caterpillar made an emission-regulated engine with aftercooling standard, beginning with 5AK00035. Extended life coolant was added, beginning with 5AK00095.

In 1997 Cat added radiator cleanout access covers, larger articulation hydraulic cylinders and new battery boxes, modified the fuel-sending unit, and adjusted the drawbar to improve visibility, beginning with 5AK00120. Cat also added scheduled oil sampling ports, a circle drive slip clutch, optional autoshift, optional 12-volt power port and made the oil filter more accessible, beginning with 5AK00156.

In 1998 a four-legged spider gear replaced the three-legged spider in the differential along with the single piece-bearing cap to improve the service life of the differential, beginning with 5AK00181.

In 1999 the differential spider gear bearing material was changed from aluminum bronze to manganese bronze to decrease the material transfer from the bearing to the spider leg, beginning with 5AK00225.

In 2000 the lower ripper link was modified to improve its service life, beginning with 5AK00253.

In 2001 Cat modified the fan spider to improve its service life, beginning with 5AK00263. The final drive sun gear shafts were replaced, beginning with 5AK00267.

In 2002 Caterpillar introduced a new unit, with an ARL prefix. It has a 3176 electronic engine with air-to-air aftercooling (ATAAC) producing 180 FWHP. It comes standard with a serpetine belt with automatic tensioner, a fuel water separator, enhanced vehicle styling, 500-hour oil change interval, modified remote engine oil drain, on-demand hydraulically driven “pull” fan, inside mounted air dryer, ground level fueling, left hand side centralized service access, sample ports on all systems, ground level coolant check, a “lube-for-life” pump drive shaft, EMS III (electronic monitoring system), automotive-style fuses, electronic throttle, increased cab air flow to the windshield, electronic transmission directional solenoids, and LED stop/turn lights. It is available with three-level variable horsepower.

In 2004 and 2005 a new final drive was added and preload was adjusted, beginning with 5AK00444 and ARL00250.

In 2005 a larger transmission filter was added, beginning with ARL00412.

In 2006 Cat modified the circle pinion, beginning with ARL00406. An AccuGrade ready option became available, beginning with ARL00404.

Based on data from the sales database of Ritchie Bros. Auctioneers, it is estimated that more than 200 Caterpillar 163H motor graders have been produced.

Highest Serial #
5AK 00262
Total = 262