Caterpillar 977H Crawler Loader
Caterpillar 977H Traxcavator at Astwoodbank 2011 - IMG 8857
Model history
Model introduced 1960
Model discontinued Unknown
Model status Unknown
Superseded by Caterpillar 977K
Engine Specification
Engine make Caterpillar
Engine model D333
Fuel type Diesel
Power hp 150
Power kW 110
Cooling system Water
Transmission Details
Transmission type Unknown
Drive tracked
Linkage Category Unknown
Other info
Factories USA
Plow rating Unknown
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The Caterpillar 977H crawler loader was introduced in 1960. It was manufactured in the USA only.

Basic specification Edit

The 977H has a D333 turbocharged, six-cylinder engine producing 150 hp (110 kW) (FWHP). It has a powershift transmission.

The 977H was given a 53A serial number prefix.

Modifications Edit

In 1961 Caterpillar added oil cooled brakes and steering clutches, beginning with 53A01907.

In 1964 pedal steer was added, beginning with 53A04797.

Production of 977H ended in 1966; it was replaced by the Caterpillar 977K.

Based on data from the sales database of Ritchie Bros. Auctioneers, it is estimated that more than 8,700 Caterpillar 977H crawler loaders have been produced.

Highest Serial #
53A 08772
Total = 8,772

Surviving examplesEdit

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See alsoEdit

References / sourcesEdit

External linksEdit

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