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New Holland 6640 SLE Specifications
The New Holland 6640 SLE utility tractor from PowerStar 40 Series was manufactured between 1996 and 1998. The New Holland 6640 SLE tractor is powered by Ford Genesis 4-cycle vertical 4-cylinder direct injection naturally aspirated liquid-cooled diesel engine. A 304 cubic inches (5 L) engine has a cylinder bore of 4.40" (112 mm), piston stroke of 5.00" (127 mm), and rated power of 85 Hp (63.3 kW).
This model is fitted with Electro Shift transmission with 16 forward and 16 reverse gears. The New Holland 6640 SLE is equipped with a hydrostatic power steering system, hydraulic wet disc brakes, 7.50x16 front tyres, and 16.9x30 rear tyres. Compatible attachments for the tractor: Ford 7210 front-end loader and Ford 7411 front-end loader.
| Engine Specs |
Engine Model ......................... Ford Genesis
Engine Type ......................... 4-stroke 4-cylinder liquid-cooled diesel
Number of Cylinders ......................... Four
Displacement, cu.in (L) ......................... 304 (4.99)
Cylinder Bore, in (mm) ......................... 4.40 (112.0)
Piston Stroke, in (mm) ......................... 5.00 (127)
Aspiration Type ......................... Naturally aspirated
Rated Engine Power, hp (kW) ......................... 85.0 (63.3)
Rated Engine Speed, rpm ......................... 2200
Low Idle Speed, rpm ......................... 725-775
High Idle Speed, rpm ......................... 2295-2375
Compression Ratio ......................... 17.5:1
Firing Order ......................... 1-3-4-2
Fuel System ......................... Direct injection
Lubrication System ......................... Full pressure
Cooling System ......................... Liquid-cooled
Air Cleaner Type ......................... Dual paper elements
Coolant Pump Type ......................... Impeller
Fan Diameter, in (mm) ......................... 18.9 (480)
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)
Fuel Tank Capacity, gal (L) ......................... 25.0 (94.6)
Coolant Capacity, qts (L) ......................... 15.4 (14.5)
Oil Capacity, qts (L) ......................... 12.2 (11.4)
Electrical System Rating, Volts ......................... 12
Charging System ......................... Alternator
Alternator Rating, Amps ......................... 100/55
| Power Take Off |
PTO Operational Type ......................... Independent
PTO Power, Hp (kW) ......................... 76.0 (56.7)
PTO Speed (Std), rpm ......................... 540
PTO/Engine Speed (Std), rpm ......................... 540/1900
PTO Speed (Opt), rpm ......................... 1000
PTO/Engine Speed (Opt), rpm ......................... 1000/2050
| Transmission |
Transmission Model ......................... Electro Shift / Pulse Command
Transmission Type ......................... 4-Speed powershift
Gearbox Type ......................... 16F/16R
Number of Forward Gears ......................... 16
Number of Reverse Gears ......................... 16
Clutch Type ......................... Wet disc
Oil Capacity, qts (L) ......................... 64.0 (60.6)
Maximum Forward Speed, mph (kph) ......................... 19.1 (30.7)
Maximum Reverse Speed, mph (kph) ......................... 19.1 (30.7)
| Wheels and Tires |
Wheel Drive System ......................... 2WD/4WD
Steering Configuration ......................... Front Steer
Steering System ......................... Hydrostatic power
Brakes Type ......................... Hydraulic wet disc
Front Tire Size ......................... 7.50x16
Rear Tire Size ......................... 16.9x30
| Hydraulics and Hitch |
Hydraulic System Type ......................... Closed center load sensing
Implement Pump Type ......................... Variable displacement piston
Implement Pump Flow, gpm (Lpm) ......................... 20.8 (79.3)
Hydraulic Pressure, Bar (psi) ......................... 186 (2700)
Steering Pump Type ......................... Fixed displacement gear
Steering Pump Flow, gpm (Lpm) ......................... 9.6 (36.5)
Steering Pressure, Bar (psi) ......................... 145 (2100)
Number of Standard Remote Valves ......................... Up to 4 optional
3-Point Hitch Category ......................... 2
Draft Sensing or Lift Control ......................... Electronic draft control
Lift Capacity at 24" (0.6m) behind pin, lbs (kg) ......................... 5190 (2350)
Lift Capacity at lift pin, lbs (kg) ......................... 6713 (3045)
| 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 (2WD, w/o Brakes), in (mm) ......................... 144 (3658)
Turning Radius (4WD, w/o Brakes), in (mm) ......................... 159 (4040)
Weight (2WD, Cab), lbs (kg) ......................... 8130 (3685)
Weight (4WD, Cab), lbs (kg) ......................... 9120 (4135)
Weight (2WD, ROPS), lbs (kg) ......................... 7100 (3220)
Weight (4WD, ROPS), lbs (kg) ......................... 8090 (3668)
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