Ford 6640

Ford 6640The Ford 6640 is a 2WD/4WD utility tractor from the PowerStar 40 series. This tractor was manufactured by Ford in Basildon, England from 1991 to 1995. The Ford 6640 is equipped with a 5.0 L (304.0 cu·in) four-cylinder diesel engine and one of four transmission variants. This tractor was available in three versions: the 6640S – economy version with 8-speed transmission, 6640SL – version with 12-speed transmission or the 6640SLE – premium version with 16-speed transmission.

The Ford 6640 utility tractor used the Ford Genesis engine. It is a 5.0 L, 4,982 cm2, (304.0 cu·in) four-cylinder natural aspirated diesel engine with 112.0 mm (4.41 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 17.5:1. This engine produced 91.9 PS (67.6 kW; 90.7 HP) at 2,200 rpm of output power and 457.0 N·m (46.6 kg·m, 336.8 ft·lb) at 1,200 rpm of torque.

The Ford 6640 is equipped with hydrostatic power steering, mechanical (S) or hydraulic wet disc (SL/SLE) brakes, and 94.6 liters (25 US gal.; 20.8 Imp. gal) fuel tank.

Ford 6640 Specifications

General Specifications
ModelFord 6640
Length4,110 mm (161.8 in)
Width 2WD: 1,950 mm (76.8 in)
4WD: 2,030 mm (79.9 in)
Height (cab)2,710 mm (106.7 in)
Wheel base2,360 mm (92.9 in)
Ground clearance (front axle) 2WD: 550 mm (21.7 in)
4WD: 500 mm (19.7 in)
Weight (operating) 4WD ROPS: 3,690 kg (8,135 lbs)
Fuel tank capacity 94.6 liters (25 US gal.; 20.8 Imp. gal)
ROPS (optional): 199.5 liters (52.7 US gal.; 43.9 Imp. gal)
Cab (optional): 177.5 liters (46.9 US gal, 39.0 Imp. gal)
Battery12V, CCA: 800A, One for ROPS and two for Cab
Cabin typeTwo-post foldable ROPS, Straddle-mount (6640S) or raised deck (SL/SLE).
Comfort Command Cab (SL/SLE).
Engine modelFord Genesis
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement5.0 L, 4,982 cm2, (304.0 cu·in)
Bore and stroke112.0 mm X 127.0 mm (4.41 in X 5 in)
Compression ratio17.5:1
Horsepower91.9 PS (67.6 kW; 90.7 HP) at 2,200 rpm
Torque457.0 N·m (46.6 kg·m, 336.8 ft·lb) at 1,200 rpm
Oil typeSAE 10W-30
Oil capacity:11.5 L (12.2 US. qt, 10.1 Imp. qt.)
Coolant capacity:14.5 L (15.3 US. qt, 12.8 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typeHydrostatic power
BrakesMechanical (S) or hydraulic wet disc (SL/SLE)
Final driveInboard planetary
Differential lockMechanical (S) or electro-hydraulic (SL/SLE)
Transmission modelEconoShift
Transmission typeConstant mesh with dry disc clutch
Gears8 forward and 2 reverse
Speed Forward: 30.3 kmh (18.8 mph) Reverse: 14.6 (9.1 mph)
Transmission oil capacity65.9 L (17.4 US. gal, 14.5 Imp. gal.)
Transmission modelDual Power
Transmission typeTwo-speed power shift with dry disc clutch
Gears16 forward and 4 reverse
Speed Forward: 30.3 kmh (18.8 mph) Reverse: 14.6 (9.1 mph)
Transmission oil capacity65.9 L (17.4 US. gal, 14.5 Imp. gal.)
Transmission modelSynchroShift
Transmission typeSynchronized with dry disc clutch
Gears12 forward and 12 reverse
Speed Forward: 30.9 kmh (19.2 mph)
Transmission modelElectroShift/Pulse Command
Transmission typeFour-speed power shiftwith wet disc clutch
Gears16 forward and 16 reverse
Speed Forward: 30.7 kmh (19.1 mph)
Front tires Ag: 7.50-16
Rear tires Ag: 16.9-30
Three-Point Hitch
Control typePosition control and top-link draft sensing. Electronic lower-link sensing (optional on SLE)
Lift capacity (at 610 mm/24 in) 1,905 kg (4,200 lbs)
Optional: 2,015 kg (4,440 lbs)
SLE: 2,815 kg (6,210 lbs)
SLE optional: 2,975 kg (6,565 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed540, 540/1000 rpm
Hydraulic system
Hydraulic typeOpen center (S/SL) or closed center load sensing (SLE)
Valves1 to 4
Pump flow 18.2 gpm (68.9 lpm)
SLE: 21.0 gpm (79.5 lpm)
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