5 3/4 in
2 3/4 in
3 1/4 in
Apart from being larger and having a body made up of two halves, the proportions on the Mortoys copy are significantly different from the Spacex original. This will have been necessary to make it fit the interchangeable chassis, but the cockpit dome is also differently proportioned f ex.
The Mortoys set box shows this body in green with red details on the rocket launcher, and sitting on a red chassis.