GMC and Chevrolet VIN and Model Number Interpreters with visuals.
894367 represents a unique serial number beginning at 800001. (In 1969, all Chevy light duty trucks started at 800001) This interpreter is compatible with your needs.

VIN lookup tool? | Chevy Classic Vehicle Forum
Our VIN decoder and trim tag interpreter for 1955-57 Chevys helps you learn more about your own classic Chevy or one you're considering purchasing ...

VIN Interpretation Tool | Chevy Colorado & GMC Canyon
The VIN on its own only provides enough details to identify the vehicle. Further options can be determined through a VIN lookup ...