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Fordson Super Dexta Technical Data

Fordson Super Dexta Engine General Data

Engine Model ...................... Ford-Perkins F3.152
Engine Type ...................... Vertical, 3 cylinder direct injection diesel
Number of Cylinders ...................... 3, in-line
Displacement, cu in (L) ...................... 152.7 (2.50)
Engine Bore, in (mm) ...................... 3.6 (91.0)
Engine Stroke, in (mm) ...................... 5.0 (127.0)
Aspiration ...................... Natural
Rated Engine Power, hp (kW) ...................... 39.0 (29.1)
Rated Engine Speed, rpm ...................... 2200
Maximum Torque, Nm (ft-lbs) ...................... 115 (85)
Torque Speed, rpm ...................... 1400
Compression ...................... 17.4:1
Firing Order ...................... 1-2-3
Fuel System ...................... Direct injection
Fuel Tank Capacity, gal (L) ...................... 8.4 (31.8)
Oil Capacity, qts (L) ...................... 7.7 (7.2)
Coolant Capacity, qts (L) ...................... 9.0 (8.5)
Electrical System Rating, Volts ...................... 12

Fordson Super Dexta Engine Service Data

Cylinder Liners

Method of retention ...................... Interference fit
Amount of interference, in (mm) ...................... 0.002-0.005 (0.051-0.127)
Outside diameter bore in cylinder block, in (mm) ...................... 3.6915-3.6925 (93.663-93.685)
Internal diameter (before finish boring), in (mm) ...................... 3.555-3.560 (90.297-90.424)
Diameter of finished bore (standard), in (mm) ...................... 3.600-3.601 (91.44-91.465)

Pistons

Piston Type ...................... High silicon, aluminium alloy
Piston diameter at bottom of skirt at 90 deg. to piston pin, in (mm) .......... 3.5945-3.5955 (91.298-91.323)
Piston diameter at bottom of skirt in line with piston pin, in (mm) ............. 3.5900-3.5918 (91.186-91.231)
Diameter of piston pin bore, in (mm) ...................... 1.2495-1.2500 (31.737-31.750)

Valves and Guides

Valve clearance (inlet and exhaust), in (mm) ...................... 0.010 (0.254)
Valve head diameter (inlet), in (mm) ...................... 1.532-1.536 (38.913-39.014)
Valve head diameter (exhaust), in (mm) ...................... 1.313-1.317 (33.350-33.452)
Valve stem diameter (inlet and exhaust), in (mm) ...................... 0.311-0.312 (7.899-7.925)
Valve length (inlet and exhaust), in (mm) ...................... 4.486-4.514 (113.95-114.66)
Angle of valve head, deg ...................... 45
Angle of valve seat in cylinder head, deg ...................... 44
Length of valve guide, in (mm) ...................... 2.59275-2.59475 (65.856-65.997)
Valve guide internal diameter, in (mm) ...................... 0.314-0.3155 (7.976-8.014)
Valve guide outside diameter, in (mm) ...................... 0.5005-0.501 (12.713-12.72)
Stem to guide clearance, in (mm) ...................... 0.002-0.0045 (0.051-0.114)
Valve depth in cylinder head (new), in (mm) ...................... 0.059-0.087 (1498-2.210)
Valve depth in cylinder head (max), in (mm) ...................... 0.140 (3.556)

Crankshaft

Crankpin journal length, in (mm) ...................... 1.5620-1.5635 (39.675-39.713)
Crankpin journal diameter, in (mm) ...................... 2.2485-2.249 (57.112-57.125)
Crankshaft end-float, in (mm) ...................... 0.00225-0.01025 (0.0572-0.2604)
Rear main bearing thrust washer thickness, in (mm) ...................... 0.123-0.125 (3.124-3.175)
Main bearing liner thickness (standard), in (mm) ...................... 0.08225-0.0825 (2.089-2.096)
Undersizes, in (mm) ...................... 0.010 (0.254), 0.020 (0.508), 0.030 (0.762)
Main bearing journal diameter, in (mm) ...................... 2.7485-2.749 (69.812-69.825)
Main bearing journal clearance, in (mm) ...................... 0.0025-0.0045 (0.064-0.114)
Number of teeth on crankshaft gear ...................... 25
Effective diameter of crankshaft pulley, in (mm) ...................... 5.21875 (132.556)
Crankshaft pulley fit, in (mm) ...................... 0.00025-0.00175 (0.0064-0.0445)
Crankshaft gear fit, in (mm) ...................... 0.001 (0.025)

Fordson Super Dexta Power Take-Off

PTO Operational Type (Single Clutch) ...................... Transmission
PTO Operational Type (Dual Clutch) ...................... Live
PTO Horsepower, hp (kW) ...................... 38.8 (29.0)
PTO Speed, rpm ...................... 540
PTO / Engine Speed, rpm ...................... 540/1810

Fordson Super Dexta Transmission

Transmission Type ...................... 6F/2R, Unsynchronized gear
Number of Forward Gears ...................... 6
Number of Reverse Gears ...................... 2
Clutch ...................... Dry disc operated by foot pedal
Clutch Disc Diameter (Single/Dual), in (mm) ...................... 11 (278) / 9 (229)
Maximum Forward Speed, mph (kph) ...................... 19.5 (31.4)
Maximum Reverse Speed, mph (kph) ...................... 7.8 (12.6)

Dual Clutch

Clutch type ...................... Dual disc; dry
Clutch size, in (mm) ...................... 9 (228.6)
Transmission disc assembly lining O.D, in (mm) ...................... 8.969-9.031 (227.81-229.39)
Transmission disc assembly lining I.D, in (mm) ...................... 5.969-6.031 (151.61-153.19)
Number of dampener springs ...................... 6
Dampener spring free length, in (mm) ...................... 1.002-1.022 (25.45-25.96)
Dampener spring length under compression, in (mm) ..... 0.80 (20.32) under load of 185-205 lbs (84-93 kg)
Number and type of splines in hub ...................... 15, involute form
PTO disc assembly lining O.D, in (mm) ...................... 8.969-9.031 (227.81-229.39)
PTO disc assembly lining I.D, in (mm) ...................... 5.969-6.031 (151.61-153.19)
Number and type of splines in hub ...................... 29, involute form
Transmission pressure plate O.D, in (mm) ...................... 10.68 (271.27)
Nominal diameter of PTO pressure plate operating surface, in (mm) ...................... 9.12 (231.65)
Transmission release levers overall length, in (mm) ...................... Three, 3.34 (84.84)
PTO release levers overall length, in (mm) ...................... Three, 4.37 (111.00)
Number of clutch pressure springs ...................... 12
Pressure springs free length, in (mm) ...................... 2.77 (70.36)
Length under compression, in (mm) ............ 1.67 (42.42) under load of 98-108 lbs (44.45-48.99 kg)
Release bearing and hub type ...................... Pre-lubricated ball bearing
Hub length, in (mm) ...................... 2.38 (60.45)
Hub lubrication ... Pack recess in bore with a good quality high melting point extreme pressure grease
Clutch pedal free movement, in (mm) ...................... 0.75 (19.05)

Fordson Super Dexta Brakes

Brake Type ...................... Mechanical internal expanding
Brake actuation ...................... Rod
Diameter of drums, in (mm) ...................... 14 (355,6)
Parking brake lock ...................... Pawl and sector to lock pedals in down position
Anchor pin diameter, in (mm) ...................... 1.122-1.125 (28.499-28.575 mm)

Fordson Super Dexta Wheels and Tires

Drive Wheels ...................... 2WD 4x2
Steering Configuration ...................... Front Steer
Steering System ...................... Manual
Front Tire Size (Std) ...................... 5.5-16
Rear Tire Size (Std) ...................... 12.4-28
Front Tire Size (Opt) ...................... 4.0-19
Rear Tire Size (Opt) ...................... 10.0-28
Front Tread, in (mm) ...................... 52-76 (1320-1930)
Rear Tread, in (mm) ...................... 48-76 (1220-1930)

Fordson Super Dexta Hydraulics and Hitch

Hydraulic System Type ...................... Live hydraulics
Implement Pump ...................... Engine-driven, piston-type pump
Implement Pump Flow, gpm (Lpm) ...................... 4.4 (16.5)
Hydraulic Pressure, Bar (psi) ...................... 172.5 (2500)
Number of Standard Remote Valves ...................... 1 or 2
3-Point Hitch Category ...................... 1
Draft Sensing or Lift Control ...................... Position and draft control
Standard Lift Capacity at lift pin, lb (kg) ...................... 1700 (770)

Fordson Super Dexta Dimensions and Weight

Wheelbase, in (mm) ...................... 71 (1800)
Overall Length, in (mm) ...................... 118 (2990)
Height (Steering Wheel), in (mm) ...................... 54 (1370)
Width, in (mm) ...................... 64.5 (1630)
Ground Clearance (Rear Axle), in (mm) ...................... 12 (300)
Weight (Operating), lb (kg) ...................... 3510 (1590)
Weight (Ballasted), lb (kg) ...................... 6030 (2735)

FORD TRACTORS TROUBLESHOOTING
1710	1900	2120	2600	3600
3930	4100	4630	5600	5640
6410	6610	6640	6710	6810
7610	7740	7810	8210	8240
8630	8830	8770	TW30	TW35