Specifications, Service, and Repair of Farm and Lawn Tractors

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Ford 3910 Technical Data

Ford 3910 Engine Specifications

Engine Model ......................... Ford
Engine Type ......................... Vertical, 3-cylinder, direct injection diesel
Number of Cylinders ......................... 3
Displacement, cu in (L) ......................... 192 (3.1)
Engine Bore, in (mm) ......................... 4.40 (112.0)
Engine Stroke, in (mm) ......................... 4.20 (107.0)
Maximum Engine Power, hp (kW) ......................... 50.0 (37.3)
Rated Engine Power, hp (kW) ......................... 47.5 (35.4)
Rated Engine Speed, rpm ......................... 2000
Maximum Torque, Nm (ft-lbs) ......................... 187 (138)
Torque Speed, rpm ......................... 1400
Compression ......................... 16.3:1
Firing Order ......................... 1-2-3
Fuel System ......................... Direct injection
Air Cleaner ......................... Dry Type
Fuel Tank Capacity, gal (L) ......................... 13.0 (49.2)
Oil Capacity, qts (L) ......................... 7.0 (6.6)
Coolant Capacity, qts (L) ......................... 11.0 (10.4)
Electrical System Rating, Volts ......................... 12
Battery Rating, A/h ......................... 128
Charging System ......................... Alternator
Alternator Rating, Amps ......................... 32

Power Take-Off

PTO Operational Type ......................... Independent
PTO Horsepower, hp (kW) ......................... 42.0 (31.3)
PTO Speed, rpm ......................... 540
PTO / Engine Speed, rpm ......................... 540/1800

Ford 3910 Transmission

Transmission Type (Std) ......................... 8F/2R, Dual Range
Number of Forward Gears ......................... 8
Number of Reverse Gears ......................... 2
Clutch ......................... Dry disc
Clutch Disc Diameter, in (mm) ......................... 13 (330)
Maximum Forward Speed, mph (kph) ......................... 18.5 (29.8)
Maximum Reverse Speed, mph (kph) ......................... 8.9 (14.3)
Oil Capacity, qts (L) ......................... 12.7 (12.0)

Transmission Type (Opt) ......................... 8F/4R, Synchromesh
Number of Forward Gears ......................... 8
Number of Reverse Gears ......................... 4
Clutch ......................... Dry disc
Maximum Forward Speed, mph (kph) ......................... 18.3 (29.4)
Maximum Reverse Speed, mph (kph) ......................... 6.7 (10.7)
Oil Capacity, qts (L) ......................... 9.9 (9.4)

Transmission Type (Opt) ......................... 6F/4R, Mechanical shuttle
Number of Forward Gears ......................... 6
Number of Reverse Gears ......................... 4
Maximum Forward Speed, mph (kph) ......................... 17.9 (28.8)
Maximum Reverse Speed, mph (kph) ......................... 16.1 (25.9)
Service Brake ......................... Differential wet disc

Ford 3910 Wheels and Tires

Drive Wheels ......................... 2WD/4WD
Steering Configuration ......................... Front Steer
Steering System ......................... Power assist
Front Tire Size (2WD, Std) ......................... 7.5-15
Front Tire Size (4WD, Std) ......................... 8.3-24
Rear Tire Size (Std) ......................... 13.6-28
Front Tire Size (2WD, Opt) ......................... 6.5-16
Front Tire Size (4WD, Opt) ......................... 9.5-24
Rear Tire Size (Opt) ......................... 14.9-28
Front Tread (2WD), in (mm) ......................... 56-72 (1420-1820)
Front Tread (4WD), in (mm) ......................... 52-80 (1320-2030)
Rear Tread, in (mm) ......................... 56-80 (1420-2030)

Ford 3910 Hydraulics and Hitch

Hydraulic System Type ......................... Open center
Implement Pump Flow (Std), gpm (Lpm) ......................... 7.7 (29.2)
Implement Pump Flow (Opt), gpm (Lpm) ......................... 12.8 (48.4)
Steering Flow, gpm (Lpm) ......................... 3.6 (13.5)
Hydraulic Pressure, Bar (psi) ......................... 173 (2500)
Hydraulic System Capacity, gal (L) ......................... 12.2 (45.8)
Steering System Capacity, qts (L) ......................... 3.6 (3.4)
Number of Standard Remote Valves ......................... 1
3-Point Hitch Category ......................... 2/1
Draft Sensing or Lift Control ......................... Position and top-link draft control
Standard Lift Capacity at lift pin, lb (kg) ......................... 2940 (1330)

Ford 3910 Dimensions and Weight

Wheelbase (2WD), in (mm) ......................... 77.5 (1960)
Wheelbase (4WD), in (mm) ......................... 84.1 (2130)
Length, in (mm) ......................... 127.2 (3230)
Height (Hood), in (mm) ......................... 52.7 (1330)
Height (ROPS), in (mm) ......................... 93.7 (2370)
Overall Width, in (mm) ......................... 69.6 (1760)
Ground Clearance (2WD), in (mm) ......................... 21.5 (540)
Ground Clearance (4WD), in (mm) ......................... 13.1 (330)
Turning Radius (2WD), in (mm) ......................... 134.5 (3400)
Turning Radius (4WD), in (mm) ......................... 197.6 (5000)
Operating Weight (2WD), lb (kg) ......................... 4615 (2090)
Operating Weight (4WD), lb (kg) ......................... 5080 (2310)
Ballasted Weight, lb (kg) ......................... 690 (3130)

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FORD TRACTORS SPECIFICATIONS

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FORD FRONT END LOADERS SPECIFICATIONS

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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