ok thanks for your help
Was this the right info or did you need something else?
sorry, I never got an e-mail saying you responded.
Model 49M777
Type 0177G5
Code 130320YG
According to the owners manual it's a Briggs & Stranton Model 400000 Intel Extended Life Series Professional Series
Displacement 40.03 ci
Bore 3.120 in
Stroke 2.890 in
Oil Capacity 62-64 oz
Thank you for helping