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Caterpillar 528 Skidder

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Caterpillar Skidders
Equipment Specifications - RitchieSpecs
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Caterpillar 528
Caterpillar 528
Caterpillar 528 interior
The Caterpillar 528 skidder was introduced in 1973 in the USA. Production began in Canada in 1983.

[edit] Features

The 528 has a 3306 turbocharged, six-cylinder engine producing 175 flywheel horsepower (FWHP). It comes standard with electric start, rollover protection system (ROPS), and front wheel caliper disc brakes.

The 528 was manufactured in the USA with a 51S or 78W serial number prefix.

The 51S has a Gearmatic 190 winch. The 78W has a grapple skidder arrangement.

[edit] Modifications

In 1975 Caterpillar modified the hitch, fairlead and steering, and the maintenance accessibility, beginning with 51S00129. Brush guards were adjusted, beginning with 51S00168.

In 1977 a 528 winch was made standard and caliper disc brakes were both front and rear, beginning with 51S00288.

In 1978 Cat added a fuel system water separator, beginning with 51S00455.

In 1980 direct injection was added to the 3306T engine, beginning with 51S00739.

Production of 78W ended in 1982; 51S ended in 1983.

In 1983 Caterpillar introduced two new 528 units in Canada, with a 96C or 97C prefix. They both have 3306 direct injection turbocharged six-cylinder engines producing 175 FWHP and come standard with electric start, ROPS, and front wheel caliper disc brakes. The 96C has a Gearmatic 190 winch. The 97C has a grapple arrangement.

In 1983 a scroll metering fuel system was added, beginning with 96C00054 and 97C00234.

In 1984 a Cat 528 winch was added to the 97C unit, beginning with 97C00263. At the same time its horsepower was increased to 188 FWHP.

Production of 96C and 97C ended in 1992.

The 528 was replaced by the Caterpillar 528B.

Based on data from the sales database of Ritchie Bros. Auctioneers, it is estimated that more than 2,600 Caterpillar 528 skidders have been produced.

Highest Serial #
Canada
96C 00935
97C 00431
USA
51S 00920
78W 00375
Total = 2,661