Caterpillar 977 series
Caterpillar 977H Traxcavator at Astwoodbank 2011 - IMG 8857
Cat 977H Traxcavator from S.E. Davis & Son collection at Astwood Bank Vintage Gathering 2011
Model history
Model introduced 1955
Model discontinued Unknown
Model status Unknown
Preceded by Caterpillar No.6 Shovel
Power hp Unknown
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 977 series is a range of tracked loaders built by Caterpillar Inc. in the USA. The series was introduced in 1955 with the Caterpillar 977D, followed by the Caterpillar 977E in ?, and then the Caterpillar 977H in 1960.


The initial models were developed from the early hydraulic Traxcavator models built by the Trackson Company to fit on to Caterpillar tractors. The Traxcavator name was used by Caterpillar on the early machines they designed and built after acquiring the Trackson company.

The Caterpillar 977D was introduced in 1955 to replace the Caterpillar No.6 Shovel add details of the series

Model variantsEdit


A few examples are known to survive in UK collections;


See alsoEdit


Further readingEdit

External linksEdit

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