The New Holland 6640 is a 2WD or 4WD utility tractor from the PowerStar 40 series. This tractor was manufactured by Ford in Basildon, England from 1996 to 1998. The NH 6640 is equipped with a 5.0 L (304.0 cu·in) four-cylinder diesel engine and one of four transmission variants.
The New Holland 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 New Holland 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.
This tractor was available in three versions:
- 6640S – economy version with 8-speed transmission
- 6640SL – version with 12-speed transmission
- 6640SLE – premium version with 16-speed transmission
Ford 6640 Specifications
General Specifications | |
Model | New Holland 6640 |
Length | 4,110 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 base | 2,360 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) |
Battery | 12V, CCA: 800A, One for ROPS and two for Cab |
Cabin type | Two-post foldable ROPS, Straddle-mount (6640S) or raised deck (SL/SLE). Comfort Command Cab (SL/SLE). |
Engine | |
Engine model | Ford Genesis |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 4 |
Fuel type | Diesel |
Displacement | 5.0 L, 4,982 cm2, (304.0 cu·in) |
Bore and stroke | 112.0 mm X 127.0 mm (4.41 in X 5 in) |
Compression ratio | 17.5:1 |
Horsepower | 91.9 PS (67.6 kW; 90.7 HP) at 2,200 rpm |
Torque | 457.0 N·m (46.6 kg·m, 336.8 ft·lb) at 1,200 rpm |
Starter | Electric |
Oil type | SAE 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 | |
Chassis | 4×2 2WD or 4×4 MFWD 4WD |
Steering type | Hydrostatic power |
Brakes | Mechanical (S) or hydraulic wet disc (SL/SLE) |
Final drive | Inboard planetary |
Differential lock | Mechanical (S) or electro-hydraulic (SL/SLE) |
Transmission model | EconoShift |
Transmission type | Constant mesh with dry disc clutch |
Gears | 8 forward and 2 reverse |
Speed | Forward: 30.3 kmh (18.8 mph) Reverse: 14.6 (9.1 mph) |
Transmission oil capacity | 65.9 L (17.4 US. gal, 14.5 Imp. gal.) |
Transmission model | Dual Power |
Transmission type | Two-speed power shift with dry disc clutch |
Gears | 16 forward and 4 reverse |
Speed | Forward: 30.3 kmh (18.8 mph) Reverse: 14.6 (9.1 mph) |
Transmission oil capacity | 65.9 L (17.4 US. gal, 14.5 Imp. gal.) |
Transmission model | SynchroShift |
Transmission type | Synchronized with dry disc clutch |
Gears | 12 forward and 12 reverse |
Speed | Forward: 30.9 kmh (19.2 mph) |
Transmission model | ElectroShift/Pulse Command |
Transmission type | Four-speed power shiftwith wet disc clutch |
Gears | 16 forward and 16 reverse |
Speed | Forward: 30.7 kmh (19.1 mph) |
Tires | |
Front tires | Ag: 7.50-16 |
Rear tires | Ag: 16.9-30 |
Three-Point Hitch | |
Category | II |
Control type | Position 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 type | Independent |
Rear PTO speed | 540, 540/1000 rpm |
Hydraulic system | |
Hydraulic type | Open center (S/SL) or closed center load sensing (SLE) |
Valves | 1 to 4 |
Pump flow | 18.2 gpm (68.9 lpm) SLE: 21.0 gpm (79.5 lpm) |
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.
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