Ground Speeds With — IVT™/AutoPowr™ Transmission
Travel speed is infinitely variable from 20 km/h (12 mph) in
reverse to 40 or 50 km/h (24.8 or 31 mph) in forward.
The chart lists minimum engine speed needed to maintain 40 or
50 km/h (24.8 or 31 mph) travel speed using rolling circumference
shown. Transmission ratios up to give top speed until engine speed
drops below rpm listed.
For example, in Auto mode at full throttle with group 48 tires
at 50 km/h (31 mph) travel speeds, if load pulls engine rpm down to
1703 rpm, ground speed will be 50 km/h (31 mph). If the load pulls
engine rpm below 1703 rpm, ground speed will decrease.
In manual mode at full throttle, ground speed would also be
50 km/h (31 mph). The transmission will ratio back to give a top speed
of 50 km/h (31 mph).
IVT™/AutoPowr™ Speed Chart
For 7210R, and 7230R
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Group 47 Tires
RC = 5850 mm (230 in.)1
710/70R38, 520/85R42, 650/65R42, 620/70R42, 480/80R46, 380/90R50,
320/90R54 Tires
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Group 48 Tires
RC = 6164 mm (243 in.)1
650/85R38, 800/70R38, 710/70R42, 520/85R46, 620/70R46, 480/80R50,
320/105R54, 380/90R54 Tires
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Minimum Engine Speed - 40 km/h (24.8 mph) Travel Speeds
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1402 rpm
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1331 rpm
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Minimum Engine Speed - 50 km/h (31 mph) Travel Speeds
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1753 rpm
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1664 rpm
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IVT™/AutoPowr™ Speed Chart
For 7250R, 7270R, 7290R and 7310R
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Group 47 Tires
RC = 5850 mm (230 in.)1
710/70R38, 520/85R42, 650/65R42, 620/70R42, 480/80R46, 380/90R50,
320/90R54 Tires
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Group 48 Tires
RC = 6164 mm (243 in.)1
650/85R38, 800/70R38, 710/70R42, 520/85R46, 620/70R46, 480/80R50,
320/105R54, 380/90R54 Tires
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Group 49 Tires1
RC = 6497 mm (256 in.)
710/75R42, 480/95R50 Tires
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Minimum Engine Speed - 40 km/h (24.8 mph) Travel Speeds
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1436 rpm
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1363 rpm
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1293 rpm
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Minimum Engine Speed - 50 km/h (31 mph) Travel Speeds
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1795 rpm
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1703 rpm
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1616 rpm
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NOTE: Actual rpm may vary from those listed. Tire
sizes used are group nominal. Actual tires sizes can vary up to 2%.
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1 Speed
based on RC shown.
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RD47322,0000273-19-20140812
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