Isuzu 4BG1

The Isuzu 4BG1 is a four-cylinder industrial diesel engine. One of the parts catalogs on this page covers the unit as fitted to the Takeuchi TB1140 excavator. Here you will find the workshop and parts documentation we carry for the 4BG1.

For repair procedures, the AA-4BG1T / AA-6BG1 / BB-4BG1T / BB-6BG1T Workshop Manual covers the 4BG1 alongside its six-cylinder 6BG1 sibling.

For parts, see the BB-4BG1-TRE Parts Catalog and the BB-4BG1-TRE Parts Catalog for the Takeuchi TB1140.