Case 621G - Page 376

8-SPECIFICATIONS
721GDrivetrain-4SpeedTransmission
4F/3RProportionalwithElectronicControlModuletorquesensingautoshift/manualshiftandmodulation
Gears
Helicalcut
Gearratios
ForwardReverse
1st3.7453.551
2nd2.1842.071
3rd1.0721.017
4th0.636
Torqueconverterstallratio2.81:1
Rearaxleoscillation
24°total
StandardAxles
FrontRear
DifferentialLimitedsliponfrontandrearaxles
Differentialratio
3.3643.182
Planetaryratio6.0006.400
Finalaxleratio20.1820.36
Planetaries
Outboard
ServicebrakesHydraulicallyactuated,maintenance-free,multiplewetdiscw/accumulator
toallfourwheels
Parkingbrakes
Spring-appliedhydraulicreleasediscontransmissionoutputshaft
OptionalHDAxles
FrontRear
Differential
Frontlockingandrearopen
Differentialratio
3.3643.364
Planetaryratio6.0006.000
Finalaxleratio20.1820.18
Planetaries
Outboard
ServicebrakesHydraulicallyactuated,maintenance-free,multiplewetdiscw/accumulator
toallfourwheels
Parkingbrakes
Spring-appliedhydraulicreleasediscontransmissionoutputshaft
TravelspeedsForwardReverse
1st
7.6km/h(4.7mph)8.0km/h(5.0mph)
2nd
12.7km/h(7.9mph)13.4km/h(8.3mph)
3rd
24.5km/h(15.2mph)25.6km/h(15.9mph)
4th
37.8km/h(23.5mph)
NOTE:travelspeeds@fullenginethrottle.
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