79024230 A Rev. 01-5
General Information
1528 / ST28A / MT255B
4WD
1531 / ST33A
4WD
Chassis
Clutch Main None
Rear/ Mid PTO Hydraulically engaged, multi-plate wet disk
Transmission Main Infinite control
Sub 3 speeds sliding mesh
Differential Bevel gears with differential lock
Brakes Wet, multi-disc, mechanical
Steering system Orbit roll hydrostatic
Tire size (Agri) Front 25 x 8.50 - 14
Rear 12.5/80 - 18
Axle type Front Center-pin
Rear Center-axle
Maximum axle loading kg (lb) Front 465 (1025)
Rear 635 (1400)
Implement Lift
Operation Hydraulic
Mounting method 3-point hitch
Drawing method Trailer hitch
3-point hitch category Category 1
Self-control Position (OPT draft control)
Lift capacity (at the ball ends of lower links)
kg (lb)
1100 (2425)
Power Take-Off (PTO)
Type Independent, engine driven
Control Electro-hydraulic control
Clutch Hydraulically engaged, multi-plate wet disk
Rear PTO; Shaft mm (inch) 35 (1.375) diameter, six spline
Output Clockwise rotation
PTO Speed @ engine rpm 581@2500 604@2600
Hydraulics
Steering System; Type Hydrostatic (power)
Pump Engine-mounted gear pump
Maximum Output 9.8 l/min (2.6 U.S. gal/min) at
2500 rpm
10.2 l/min (2.7 U.S. gal/min) at
2600 rpm
Pressure psi (k) 1711 psi
Main Hydraulic System; Pump Engine-mounted gear pump
Maximum Output 28.0 l/min (7.4 U.S. gal/min) at
2500rpm
29.2 l/min (7.7 U.S. gal/min) at
2600rpm
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