Case 621G - Page 377

8-SPECIFICATIONS
721GDrivetrain-Optional5SpeedTransmission
5F/3RProportionalwithElectronicControlModuletorquesensingautoshift/manualshiftandmodulation
Gears
Helicalcut
Gearratios
ForwardReverse
1st3.9213.718
2nd2.2552.138
3rd1.4660.894
4th0.942
5th0.613
Torqueconverterstallratio2.42:1
Rearaxleoscillation
24°total
StandardAxles
FrontRear
DifferentialLimitedsliponfrontandrearaxles
Differentialratio
3.3643.182
Planetaryratio6.0006.40
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
7.2km/h(4.5mph)7.9km/h(4.9mph)
2nd
12.6km/h(7.8mph)13.5km/h(8.4mph)
3rd
19.0km/h(11.8mph)31.1km/h(19.3mph)
4th
29.5km/h(18.3mph)
5th
45km/h(28.0mph)(*)
NOTE:travelspeeds@fullenginethrottle.
721GCylinderSpecications
Liftcylinder
Borediameter
120.6mm(4.75in)
Roddiameter
76.2mm(3.00in)
Stroke827.9mm(32.59in)
Steercylinder
Borediameter
76.2mm(3.00in)
Roddiameter
44.5mm(1.75in)
Stroke484.9mm(19.09in)
DumpcylinderZ-BarandXRXT
Borediameter
146.0mm(5.75in)114.3mm(4.50in)
Roddiameter
76.2mm(3.00in)57.2mm(2.25in)
Stroke629.4mm(24.78in)856.5mm(33.72in)
8-7