What serial number is it, or at least what series?
Look beneath the floor plates for a linkage between the main clutch lever and the transmission. Could be internal in the clutch housing, but on most old CATs it's external. Just make sure the pins etc are in it to start with.
Early D7 same as late RD7, clutch lever linkage is all connected. I pulled the shift lever the right shift fork is locked forward.
If it's not interlock adjustment it's time to pull the side cover off the transmission and see what's going on with the cam, springs, plungers, etc that make up the shifter interlock mechanism.
Our channel highlights machines from the earliest Holt and Best track-type tractors, equipment from the start of Caterpillar in 1925, up to units built in the mid-1960s.
Chapter Two
| Newby Hall, Ripon, Noth Yorkshire, HG4 5AJChapter Two
| Freshfield Farm, Sloop Lane, Scaynes Hill RH17 7NP UKChapter Two
| Avalanche adventure, Welford Rd, Sibbertoft LE16 9UJ, UKChapter Two
| Highacres Farm, Dewey Lane, Brackenfield, Derbyshire DE55 6DB, UK
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