Construction Machinery: Grader John Deere

Model	Maximum forward speed	Maximum reverse gear
JD770	40.4 km/h - 25.1 mile / h	13.8 km/h - 8.6 mile / h
JD670	38.4 km/h - 23.9 mile / h	12.3 km/h - 7.6 mile / h
JD570A	34.8 km/h - 21.6 mile / h	11.4 km/h - 7.1 mile / h
JD570	34.4 km/h - 21.4 mile / h	10.9 km/h - 6.8 mile / h
872D	41.1 km/h - 25.5 mile / h	41.1 km/h - 25.5 mile / h
870D	41.1 km/h - 25.5 mile / h	41.1 km/h - 25.5 mile / h
772D	41.6 km/h - 25.8 mile / h	41.6 km/h - 25.8 mile / h
772CH	41.5 km/h - 25.8 mile / h	41.5 km/h - 25.8 mile / h
772B	40.6 km/h - 25.2 mile / h	13.8 km/h - 8.6 mile / h
772AH	40.4 km/h - 25.1 mile / h	13.8 km/h - 8.6 mile / h
772A	40.4 km/h - 25.1 mile / h	13.8 km/h - 8.6 mile / h
770D	41.6 km/h - 25.8 mile / h	41.6 km/h - 25.8 mile / h
770CH	41.5 km/h - 25.8 mile / h	41.5 km/h - 25.8 mile / h
770C	41.5 km/h - 25.8 mile / h	41.5 km/h - 25.8 mile / h
770B	40.6 km/h - 25.2 mile / h	13.8 km/h - 8.6 mile / h
770AH	40.4 km/h - 25.1 mile / h	13.8 km/h - 8.6 mile / h
770A	40.4 km/h - 25.1 mile / h	13.8 km/h - 8.6 mile / h
672D	40 km/h - 24.9 mile / h	40 km/h - 24.9 mile / h
672CH	40.2 km/h - 25 mile / h	40.2 km/h - 25 mile / h
672B	39.3 km/h - 24.4 mile / h	13.2 km/h - 8.2 mile / h
672A	38.5 km/h - 23.9 mile / h	12.2 km/h - 7.6 mile / h
670D	40 km/h - 24.9 mile / h	40 km/h - 24.9 mile / h
670CH	40.2 km/h - 25 mile / h	40.2 km/h - 25 mile / h
670C	40.2 km/h - 25 mile / h	40.2 km/h - 25 mile / h
670B	39.3 km/h - 24.4 mile / h	13.2 km/h - 8.2 mile / h
570B	34.8 km/h - 21.6 mile / h	11.4 km/h - 7.1 mile / h