Ford

Ford 6640

The Ford 6640 is a utility tractor produced from 1991 to 1995 as part of the PowerStar 40 Series. It was built in Basildon, England and originally priced at $33,400 in 1998. The tractor features a Ford 5.0L 4-cylinder diesel engine with a gross power of 90.7 hp and net power of 85 hp. Transmission options include 8-speed constant mesh, 16-speed two-speed power shift, 12-speed synchronized, and 16-speed four-speed power shift. The tractor offers 2WD and optional 4WD drive configurations, mechanical or electro-hydraulic differential locks, and various hydraulic and hitch options. It has a wheelbase of 93 inches, weighs between 7,099 and 9,121 pounds depending on configuration, and offers several loader attachments such as the Ford 7210 and 7411 loaders.
Power90 hp
Founded1991 - 1995
Model6640

Technical Specifications

Detailed specifications and technical data for Ford 6640

Power
Engine (net)85 hp (63.4 kW)
PTO (tested)77.13 hp (57.5 kW)
PTO (claimed)76 hp (56.7 kW)
Engine (gross)90.7 hp (67.6 kW)
Drawbar (tested)67.18 hp (50.1 kW)
Engine
TypeFord 5.0L 4-cyl diesel
Fuel tank25 gal (94.6 L), 52.7 gal (ROPS optional, 199.5 L), 46.9 gal (cab optional, 177.5 L)
Height
Cab107 inches (271 cm)
Hood67 inches (170 cm)
Exhaust112 inches (284 cm)
Weight
Ballasted10,368 lbs (4702 kg)
Operating8,135 lbs (4WD ROPS) (3690 kg)
2WD Cab Shipping8,129 lbs (3687 kg)
4WD Cab Shipping9,121 lbs (4137 kg)
2WD ROPS Shipping7,099 lbs (3220 kg)
4WD ROPS Shipping8,091 lbs (3670 kg)
Variants
6640S8-speed economy
6640SL12-speed
6640SLE16-speed premium
Electrical
Groundnegative
Battery CCA800
Battery volts12
Cab Batteries2
ROPS Batteries1
Charging systemalternator
Cab Charging amps100
ROPS Charging amps55
Hydraulics
Typeopen center (S/SL), closed center load sensing (SLE)
Valves1 to 4
Pump flow18.2 gpm (68.9 lpm), 21 gpm (SLE, 79.5 lpm)
Steering pressure2100 psi (144.8 bar)
Mechanical
ROPSTwo-post foldable. Straddle-mount (6640 S) or raised deck (SL/SLE). Comfort Command Cab optional with air-conditioning (SL/SLE).
Drive4x2 2WD, 4x4 MFWD 4WD (optional)
Brakesmechanical (S), hydraulic wet disc (SL/SLE)
Final drivesinboard planetary
Power steeringYes
Differential lockmechanical (S), electro-hydraulic (SL/SLE)
Production
Years1991 - 1995
Built inBasildon, England
ManufacturerFord
Original price$33,400 in 1998
Attachments
LoadersFord 7210 loader, Ford 7411 loader
7210 Loader2320 lbs lift (full at pin) (1052 kg), 4220 lbs breakout (1914 kg), 40 inches reach (dumped) (101 cm), 125 inches height (at pin) (317 cm), 98 inches clearance (dumped) (248 cm), weight: 1636 lbs (742 kg), Bucket widths: 60 inches (152 cm), 72 inches (182 cm), 84 inches (213 cm)
7411 Loader3050 lbs lift (full at pin) (1383 kg), 5265 lbs breakout (2388 kg), 48 inches reach (dumped) (121 cm), 134 inches height
Transmission
Options8-speed constant mesh, 16-speed two-speed power shift, 12-speed synchronized, 16-speed four-speed power shift
12-speed synchronizedSynchroShift, 12 forward and reverse gears, dry disc clutch
8-speed constant meshEconoShift, 8 forward and 2 reverse gears, dry disc clutch, 69.6 qts (65.9 L) oil capacity
16-speed two-speed power shiftDual Power, 16 forward and 4 reverse gears, dry disc clutch, 69.6 qts (65.9 L) oil capacity
16-speed four-speed power shiftElectroShift/Pulse Command, 16 forward and reverse gears, wet disc clutch, 64 qts (60.6 L) oil capacity
Tractor hitch
ControlPosition control and top-link draft sensing. Electronic lower-link sensing optional on 6640 SLE.
Rear TypeII
Rear lift (at 24"/610mm)4200 lbs (1905 kg), 4439 lbs (optional, 2013 kg), 6210 lbs (SLE, 2816 kg), 6564 lbs (SLE optional, 2977 kg)
Serial Numbers
1991BC68791
1992BD02865
1993BD35935
1994BD65544
1995BD98440
1996021630B
1997056502B
1998083503B
LocationData plate inside hood.
Dimensions & Tires
Length162 inches (411 cm)
Weight7099 to 9121 pounds
2WD Width77 inches (195 cm)
4WD Width80 inches (203 cm)
Rear tire16.9-30
Wheelbase93 inches (236 cm)
Front tire7.50-16
2WD Clearance (front axle)22 inches (55 cm)
4WD Clearance (front axle)20 inches (50 cm)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540, 540/1000 Optional