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New Holland 6640

New Holland 6640 tractor photo
1996 - 1998   PowerStar 40 Series
Utility tractor
Previous model:Ford 6640
Next model:New Holland TS100
Series next:New Holland 7740
Series back:New Holland 5640

Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing.


Manufacturer:New Holland
Factory:Basildon, England
Original price (USD):$33,400 (1998)


6640S:8-speed economy
6640SLE:16-speed premium

New Holland 6640 Engine:

   Ford 5.0L 4-cyl diesel
full engine details ...


Fuel:25 gal [94.6 L]
 52.7 gal [199.5 L] (ROPS optional)
 46.9 gal [177.5 L] (cab optional)

3-Point Hitch:

Rear Type:II
Control:Position control and top-link draft sensing. Electronic lower-link sensing optional on 6640 SLE.
Rear lift (at 24"/610mm):4,200 lbs [1905 kg]
 4,439 lbs [2013 kg] (optional)
 6,210 lbs [2816 kg] (SLE)
 6,564 lbs [2977 kg] (SLE optional)

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:540
 540/1000 (optional)

Dimensions & Tires:

Wheelbase:93 inches [236 cm]
Weight:7099 to 10368 pounds
Front tire:7.50-16
Rear tire:16.9-30
full dimensions and tires ...

6640 Serial Numbers:

Location:Data plate inside hood.
1991: BC68791
1992: BD02865
1993: BD35935
1994: BD65544
1995: BD98440
1996: 021630B
1997: 056502B
1998: 083503B

how to read serial numbers...


New Holland 6640 Power:

PTO (claimed):76 hp [56.7 kW]
Drawbar (tested):67.18 hp [50.1 kW]
PTO (tested):77.13 hp [57.5 kW]
power test details ...


Chassis:4x2 2WD
 4x4 MFWD 4WD (optional)
Final drives:inboard planetary
Differential lock:mechanical (S)
 electro-hydraulic (SL/SLE)
Steering:hydrostatic power
Brakes:mechanical (S)
 hydraulic wet disc (SL/SLE)
Cab:Two-post foldable ROPS. Straddle-mount (6640 S) or raised deck (SL/SLE). Comfort Command Cab optional with air-conditioning (SL/SLE).


Type:open center (S/SL)
 closed center load sensing (SLE)
Valves:1 to 4
Pump flow:18.2 gpm [68.9 lpm]
 21 gpm [79.5 lpm] (SLE)
Steering press.:2100 psi [144.8 bar]


Charging system:alternator
Charging amps:55 (ROPS)
 100 (cab)


Number:1 (ROPS)
 2 (cab)
Cold-cranking amps:800

Page information:

Last update:April 4, 2015
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