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Ford 6640 Technical Data

Ford 6640 Engine Specifications

Engine Model ......................... Ford Genesis
Engine Type ......................... Four stroke, 4-cylinder liquid-cooled diesel
Engine Gross Power, hp (kw) ......................... 85.0 (62.5)
Cylinders ......................... 4
Engine Bore, in (mm) ......................... 4.40 (112)
Engine Stroke, in (mm) ......................... 5.00 (127)
Displacement, cu.in (L) ......................... 304 (4.99)
Compression Ratio ......................... 17.5:1
Firing Order ......................... 1-3-4-2
Low Idle Speed, rpm ......................... 725-775
High Idle Speed, rpm ......................... 2295-2375
Rated Speed, rpm ......................... 2200
Valve Clearance (Intake), in (mm) ......................... 0.014-0.018 (0.36-0.46)
Valve Clearance (Exhaust), in (mm) ......................... 0.017-0.021 (0.43-0.53)
Coolant Pump Type ......................... Impeller
Fan Diameter, in (mm) ......................... 18.9 (480)
Fuel Capacity, gal (L) ......................... 25.0 (94.6)
Cooling System Capacity, qts (L) ......................... 15.4 (14.5)
Engine Oil Capacity, qts (L) ......................... 12.2 (11.4)
Electrical System Rating, Volts ......................... 12
Alternator Rating, Amps ......................... 100/55

Ford 6640 Power Take Off

PTO Operational Type ......................... Independent
PTO Horsepower, hp (kW) ......................... 76.0 (56.7)
PTO Gears (Standard), rpm ......................... 540
PTO / Engine Speed (Standard), rpm ......................... 540/1900
PTO Gears (Optional), rpm ......................... 1000
PTO / Engine Speed (Optional), rpm ......................... 1000/2050

Ford 6640 Transmission

Transmission (Standard) ......................... EconoShift
Gearbox Type ......................... 8F/2R, Constant mesh
Number of Forward Gears ......................... 8
Number of Reverse Gears ......................... 2
Clutch ......................... Dry disc
Maximum Forward Speed, mph (kph) ......................... 18.8 (30.3)
Maximum Reverse Speed, mph (kph) ......................... 9.1 (14.6)
Oil Capacity, qts (L) ......................... 69.6 (65.9)

Transmission (Optional) ......................... Dual Power
Gearbox Type ......................... 16F/4R, 2-Speed powershift
Number of Forward Gears ......................... 16
Number of Reverse Gears ......................... 4
Clutch ......................... Dry disc
Maximum Forward Speed, mph (kph) ......................... 18.8 (30.3)
Maximum Reverse Speed, mph (kph) ......................... 9.1 (14.6)
Oil Capacity, qts (L) ......................... 69.6 (65.9)

Transmission (Optional) ......................... Synchro Shift
Gearbox Type ......................... 12F/12R, Synchronized
Number of Forward Gears ......................... 12
Number of Reverse Gears ......................... 12
Clutch ......................... Dry disc
Maximum Forward Speed, mph (kph) ......................... 19.2 (30.9)
Maximum Reverse Speed, mph (kph) ......................... 19.2 (30.9)

Transmission (Optional) ......................... Electro Shift / Pulse Command
Gearbox Type ......................... 16F/16R, 4-Speed powershift
Number of Forward Gears ......................... 16
Number of Reverse Gears ......................... 16
Clutch ......................... Wet disc
Maximum Forward Speed, mph (kph) ......................... 19.1 (30.7)
Maximum Reverse Speed, mph (kph) ......................... 19.1 (30.7)
Oil Capacity, qts (L) ......................... 64.0 (60.6)

Ford 6640 Wheels and Tires

Drive Wheels ......................... 2WD/4WD
Steering Configuration ......................... Front Steer
Steering System ......................... Hydrostatic power
Front Tire Size ......................... 7.50-16
Rear Tire Size ......................... 16.9-30

Axles and Brakes

Front Wheel Toe-Out (2WD), in (mm) ......................... 0-0.5 (0-13)
Front Wheel Toe-Out (4WD), in (mm) ......................... 0-0.25 (0-6)
Rear Axle Capacity, qts (L) ......................... 64.5 (60.6)
Front Hubs Capacity (FWD), qts (L) ......................... 3.2 (3.0)
Front Axle Capacity (FWD), qts (L) ......................... 6.7 (6.2)
Brakes Type ......................... Wet disc, hydraulically actuated
Disc Diameter (overall), in (mm) ......................... 8.8 (224)
Parking Brake ......................... Operates on footbrake mechanism

Ford 6640 Hydraulic System

Hydraulic System Type (S/SL) ......................... Open center
Implement Pump Type ......................... Gear
Implement Pump Flow, gpm (Lpm) ......................... 9.6 (36.8)
Hydraulic Pressure, Bar (psi) ......................... 176 (2550)
Hydraulic System Type (SLE) ......................... Closed centre load sensing
Implement Pump Type ......................... Variable displacement piston pump
Implement Pump Flow, gpm (Lpm) ......................... 20.8 (79.3)
Hydraulic Pressure, Bar (psi) ......................... 186 (2700)
Steering Pump Type ......................... Fixed displacement gear pump
Steering Pump Flow, gpm (Lpm) ......................... 9.6 (36.5)
Steering Pressure, Bar (psi) ......................... 145 (2100)
Number of Standard Remote Valves ......................... Up to 4 optional

Hitch and Lift Capacity

3-Point Hitch Category ......................... 2
Draft Sensing or Lift Control (S/SL) ......................... Position control and top-link draft sensing
Draft Sensing or Lift Control (SLE) ......................... Electronic Draft Control
Standard Lift Capacity 24" (600mm) behind pin (S/SL), lb (kg) ......................... 4910 (2227)
Standard Lift Capacity at lift pin (S/SL), lb (kg) ......................... 6350 (2880)
Standard Lift Capacity 24" (600mm) behind pin (SLE), lb (kg) ......................... 5190 (2350)
Standard Lift Capacity at lift pin (SLE), lb (kg) ......................... 6713 (3045)

Ford 6640 Dimensions and Weight

Wheel Base (2WD), in (mm) ......................... 92.1 (2340)
Wheel Base (4WD), in (mm) ......................... 93 (2360)
Overall Length (2WD), in (mm) ......................... 158.3 (4020)
Overall Length (4WD), in (mm) ......................... 158.7 (4030)
Height (Hood), in (mm) ......................... 67.3 (1710)
Height (Cab), in (mm) ......................... 107.1 (2725)
Width (2WD), in (mm) ......................... 77.7 (1975)
Width (4WD), in (mm) ......................... 80 (2030)
Ground Clearance (2WD), in (mm) ......................... 21.5 (546)
Ground Clearance (4WD), in (mm) ......................... 20.2 (512)
Turning Radius Without Brakes (2WD), in (mm) ......................... 144 (3658)
Turning Radius Without Brakes (4WD), in (mm) ......................... 159 (4040)
Weight (2WD, Cab), lb (kg) ......................... 8130 (3685)
Weight (4WD, Cab), lb (kg) ......................... 9120 (4135)
Weight (2WD, ROPS), lb (kg) ......................... 7100 (3220)
Weight (4WD, ROPS), lb (kg) ......................... 8090 (3668)

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