First version 2 chain drive.
1/28 john deere 6600 combine
Custom John Deere 6600 combine on tracks with raisable 6 row corn head
No. 643 Six-Row Corn Head - Ertl - For John Deere 6600 Combine - 1970s
Vtg Ertl 1/16 John Deere 6600 Combine Tractor Chain Drive Metal USA - AS IS
Bean Head Auger Halves - Ertl - John Deere 6600 Combine - Upgraded Design
1/32 John Deere 6600 Combine
