That's a D4600 engine from a 1941 #12 Grader.....4-1/4 bore x 5-1/2 stroke.
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
| Highacres Farm, Dewey Lane, Brackenfield, Derbyshire DE55 6DB, UKChapter Nineteen
| 2 Winkleigh Rd, Exeter TAS 7275
Antique Caterpillar
Machinery Owners Club
1115 Madison St NE # 1117
Salem, OR 97301
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