Ford
6640
Horsepower
90hp
Production
1991–1995
Category
farm
Overview
Production
| Original Price | $33,400 (1998) |
|---|---|
| Engine | Ford 5.0L 4-cyl diesel |
| Tractor Type | utility |
| Series | PowerStar 40 Series |
| Manufacture Location | Basildon, England |
Mechanical
| Drive Type | 4x2 2WD |
|---|---|
| Steering | power |
| Brakes | mechanical (S), hydraulic wet disc (SL/SLE) |
| Rops Type | two-post foldable |
| Cab | optional with air-conditioning (SL/SLE) |
| Differential Lock | mechanical (S), electro-hydraulic (SL/SLE) |
| Final Drives | inboard planetary |
Hydraulics
| Hydraulic Type | open center (S/SL) |
|---|---|
| Hydraulic Valves | 4 |
| Hydraulic Pump Flow | 18.2 gpm (68.9 lpm) |
PTO & Hitch
| Rear Hitch Type | II |
|---|---|
| Rear Lift | 4,200 lbs (1,905 kg) |
| Hitch Control | position control and top-link draft sensing, electronic lower-link sensing optional on SLE |
Fuel Capacity
| Fuel Capacity Rops | 52.7 gal (199.5 L) |
|---|---|
| Fuel Capacity Cab | 46.9 gal (177.5 L) |
Other
| Variant 6640s | 8-speed economy |
|---|---|
| Variant 6640sl | 12-speed |
| Variant 6640sle | 16-speed premium |
| Drive Type Optional | 4x4 MFWD 4WD |
| Steering Pressure | 2,100 psi (144.8 bar) |
| Hydraulic Type Optional | closed center load sensing (SLE) |
| Hydraulic Pump Flow Alt | 21 gpm (79.5 lpm) |
Engine
| Engine | Ford Genesis |
|---|---|
| Fuel Type | diesel |
| Cylinders | 4-cylinder 8-valve |
| Cooling | liquid-cooled |
| Displacement | 304 ci (5 L) |
| Bore | 4.4 in (112 mm) |
| Bore Stroke | 4.40x5.00 in (112 x 127 mm) |
| Stroke | 5 in (127 mm) |
| Compression Ratio | 17.5 |
| Power Gross | 90.7 hp (67.6 kW) |
| Power Net | 85 hp (63.4 kW) |
| Torque | 1,200 RPM |
| Torque | 337 lb-ft (457 Nm) |
| Air Cleaner | dual paper elements |
| Starter Volts | 12 |
| Oil Capacity | 12.1 qts (11.5 L) |
| Oil Capacity Qts Note | 16.9 qts with cab 16.0 L |
| Coolant Capacity | 15.3 qts (14.5 L) |
| Firing Order | 1-3-4-2 |
| Intake Valve Clearance | 0.02 in (0.41 mm) |
| Exhaust Valve Clearance | 0.02 in (0.48 mm) |
| Idle | 725-2375 RPM |
| Rated | 2,200 RPM |
Dimensions
| Length | 162 in (411 cm) |
|---|---|
| Width | 80 in (203 cm) |
| Height Cab | 107 in (271 cm) |
| Height Hood | 67 in (170 cm) |
| Height Exhaust | 112 in (284 cm) |
| Wheelbase | 93 in (236 cm) |
| Clearance Front Axle | 20 in (50 cm) |
| Operating Weight | 8,135 lbs (3,690 kg) |
| Shipping Weight Cab 2WD | 8,129 lbs (3,687 kg) |
| Shipping Weight Cab 4WD | 9,121 lbs (4,137 kg) |
| Shipping Weight Rops 2WD | 7,099 lbs (3,220 kg) |
| Shipping Weight Rops 4WD | 8,091 lbs (3,670 kg) |
| Tires Ag Front | 7.50-16 |
| Tires Ag Rear | 16.9-30 |
| Ballasted Weight | 10,368 lbs (4,702 kg) |
Available Attachments
Ford 7210 loaderFord 7411 loader
Test Results
| Test Reference | OCED Tractor Test 1657 |
|---|---|
| Test Number | 1657 |
| Test Date | April 24 - May 11, 1992 |
| Fuel Type | Diesel |
| PTO Max Power | 77.13 hp (57.5 kW) |
| PTO Rated Power | 76.75 hp (57.2 kW) |
| Fuel Use Max Power | 4.7 gal/hr (17.8 L/hr) |
| Fuel Use PTO Rated | 4.5 gal/hr (17 L/hr) |
| Drawbar Max Power | 67.18 hp (50.1 kW) |
| Drawbar Max Pull | 10,512 lbs (4,768 kg) |
| Fuel Use Drawbar Max | 4.7 gal/hr (17.8 L/hr) |
| Test Link | OCED Tractor Test 1657 file |
| Pull Test Gear | 2H |
| Power Test Gear | 5-Low |
| Transmission Type | 16x4 |
| Power At Rated PTO Speed | 75.63 hp (56.4 kW) |
| Fuel Use Rated Engine | 4.7 gal/hr (17.8 L/hr) |