1.2.3 Transmission specifications
4608 4609 4610
Primary transmission Six speed synchronized
Range transmission Without creep gear, two speed sliding mesh
With creep gear, three speed sliding mesh
Mechanical shuttle Electro-hydraulic control with multi plate weet disc, 95% reverse
reduction
Gear speeds
Power shuttle Without creep gear, 12 forward, 12 reverse
With creep gear, 18 forward, 18 reverse
Clutch Multiple stage wet with 128 mm disc
1.2.4 Power takeoff specifications
4608 4609 4610
Type Independent, engine driven
Control Electro-hydraulic control
Clutch Hydraulically engaged, multi-plate wet disk
Output Clockwise rotation from the rear of the tractor
Shaft
540 rpm (North America only) 35 mm diameter, 6 spline, ISO type 1
1000 rpm (North America only) 35 mm diameter, 21 spline, ISO type 2
540/750 rpm (Australia) 35 mm diameter, 6 spline, ISO type 1
Engine speed
540 rpm 1993 rpm
1000 rpm (North America only) 2178 rpm
750 rpm (Australia only) 2129 rpm
1.2.5 Front axle specifications
4608 4609 4610
Engagement Mechanical
Joint on axle Bevel gear
Oscillation angle 6 to 8 degrees
Steering Hydrostatic
Rear wheel to front wheel drive
ratio
1:1 .45 1:1 .4
1. Introduction
4608 / 4609 / 4610 Service Manual 1-7
4283492M3
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