Here’s a list of the weights and dimensions of the various Optigan® models (minus the 37003, which I don’t have info for), to aid in estimating shipping costs. Note that these figures are for just the Optigan® itself, not including a bench or any other extras.

Model 34001:
• width: 34.75″
• height: 32″
• depth: 18″
• weight: 76 lbs

Model 35001 & 35002:
• width: 34.75″
• height: 32″
• depth: 18″
• weight: 80 lbs

Model 35011:
• width: 35″
• height: 33″
• depth: 18″
• weight: 85 lbs

Model 35012:
• width: 34.75″
• height: 32″
• depth: 18″
• weight: 125 lbs