New Holland Workmaster 25S Tier 4B, Service Manual

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INTRODUCTION
Model
Workmaster™ 25S
Hydrostatic
Front axle oscillation
0° +/- 7
Turning radius w/o brakes:
FWD 2400 mm ( 94 in ) Left turn
2400 mm ( 94 in ) Right turn
Steering system relief valve setting 8329 – 8825 kPa ( 1208 – 1280 psi )
Maximum pump flow 8 L/min ( 2.1 US gpm ) HST
Power Take-Off (PTO) (Rear)
Type Independent
Clutch type Wet disc
Clutch material, asbestos free (Yes or No)
Yes
Number of plates 6
Plate diameter 90.0 mm ( 3.5 in )
Plate surface area 3145.0 mm² ( 4.9 in² )
Activation Electro-hydraulic
Selector Rear / mid / rear + mid
Number of splines 6
Shaft size: 34.9 mm ( 1/38 in )
Engine speed for 540 RPM rear PTO operation 2933 RPM
PTO Horsepower observed 12.8 kW ( 17.2 Hp ) - HST
Mid Power Take-Off (PTO)
Type Independent
Clutch type Wet disc
Number of plates 6
Actuation
Switch
Selector Rear / mid / rear + mid
Direction of rotation (As viewed from rear of tractor) Clockwise
Number of splines
15
Shaft size: 25.0 mm ( 0.98 in )
Engine speed for 2500 RPM mid PTO operation 2841 RPM
Engine speed for 540 RPM 2933 RPM
Hydraulic lift system
Category CAT-1
Type Open center
Pump type Gear
Pump capacity 25 L/min ( 6.6 US gpm )
System relief valve setting 12997 – 13500 kPa ( 1885 – 1958 psi )
Control type
Position control
Drop rate control valve Standard
Mower cut height control Standard
Lift capacity at ball end 450 kg ( 992 lb )
Lift capacity at 24 in behind 330 kg ( 728 lb )
Rear hitch point Standard
Unbrake towable mass 800 kg ( 1764 lb )
Independent brake, towable mass 1600 kg ( 3527 lb )
Loader valve Standard with float
Transmission speeds (Hydrostatic)
( 2600 RPM Engine rated speed with 11.2-24 Rear tires)
51421067 20/04/2018
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