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New Holland 6640

New Holland 6640 tractor
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The New Holland 6640 is a utility tractor produced from 1996 to 1998 as part of the PowerStar 40 Series. It was built in Basildon, England and originally priced at $33,400 in 1998. The tractor is powered by a Ford 5.0L 4-cylinder diesel engine delivering 85 hp net and 90.7 hp gross. Transmission options include 8-speed constant mesh, 16-speed two-speed power shift, 12-speed synchronized, and 16-speed four-speed power shift. It features 4x2 or optional 4x4 drive, mechanical or electro-hydraulic differential lock, and various hydraulic and hitch options. The tractor has a wheelbase of 93 inches, weighs between 7099 and 9121 pounds depending on configuration, and offers optional Comfort Command Cab with air-conditioning. The PTO is independent with 540 rpm standard and optional 540/1000 rpm. Electrical system is negative ground with alternator charging. The 6640 shares many components with the Ford 6640 and is compatible with front-end loader attachments.
New Holland 6640tractorutility tractorFord 6640PowerStar 40 Series5.0L diesel enginetractor specsfarm tractor
Power90 hp
Founded1996 - 1998
Model6640

Technical Specifications

Detailed specifications and technical data for New Holland 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

Type:diesel
Model:Ford Genesis
Torque:337 lb-ft (457.0 Nm)
Cooling:liquid-cooled
Idle RPM:725-2375
Cylinders:4-cylinder 8-valve
Fuel tank:25 gal (94.6 L), 52.7 gal (ROPS optional) (199.5 L), 46.9 gal (cab optional) (177.5 L)
Rated RPM:2200
Torque RPM:1200
Air cleaner:dual paper elements
Bore/Stroke:4.40x5.00 inches (112 x 127 mm)
Power (net):85 hp (63.4 kW)
Displacement:304 ci (5.0 L)
Firing order:1-3-4-2
Oil capacity:12.1 qts (11.5 L)
Power (gross):90.7 hp (67.6 kW)
Starter volts:12
Coolant capacity:15.3 qts (14.5 L), 16.9 qts with cab (16.0 L)
Compression ratio:17.5:1
Intake valve clearance:0.016 inches (cold) (0.406 mm)
Exhaust valve clearance:0.019 inches (cold) (0.483 mm)

Electrical

Ground:negative
Battery CCA:800
Battery volts:12
Cab Batteries:2
ROPS Batteries:1
Charging system:alternator
Cab Charging amps:100
ROPS Charging amps:55

Hydraulics

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

Mechanical

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

Production

Type:Utility tractor
Series:PowerStar 40 Series
Built in:Basildon, England
Original price:$33,400 in 1998
Years produced:1996 - 1998

Attachments

Options:front-end loader

Transmission

Options:8-speed constant mesh, 16-speed two-speed power shift, 12-speed synchronized, 16-speed four-speed power shift

Dual Power

Type:two-speed power shift
Gears:16 forward and 4 reverse
Notes:Dual Power adds a two-speed power shift between direct drive and the lower Dual Power range to the basic eight-speed transmission. The Dual Power range is engaged by a switch on the dashboard. Dual Power was an option on the 6640S.
Clutch:dry disc
Oil capacity:69.6 qts (65.9 L)

EconoShift

Type:constant mesh
Gears:8 forward and 2 reverse
Notes:Four gears (1-4), plus reverse, in two ranges (L/H). Optional creeper provided a third range. Tractor must be stopped and clutch used to shift gears or range. The eight-speed transmission was only used on the 6640S.
Clutch:dry disc
Oil capacity:69.6 qts (65.9 L)

SynchroShift

Type:synchronized
Gears:12 forward and reverse
Notes:Four gears (1-4) in three ranges (L/M/H) with right-hand shuttle lever. Gear shifts are synchronized. Shifts between medium and high ranges are synchronized, but the tractor should be stopped to shift to or from low range. Synchronized shuttle shifting. The 12-speed SynchroShift was standard on the 6640 SL. Dual power was an option with the SynchroShift, turning it into a 24-speed transmission.
Clutch:dry disc

ElectroShift/Pulse Command

Type:four-speed power shift
Gears:16 forward and reverse
Clutch:wet disc

Tractor hitch

Control:Position control and top-link draft sensing. Electronic lower-link sensing optional on 6640 SLE.
Rear Type:II
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

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

Dimensions & Tires

Length:162 inches (411 cm)
Weight:7099 to 9121 pounds
2WD Width:77 inches (195 cm)
4WD Width:80 inches (203 cm)
Ballasted:10,368 lbs (4702 kg)
Operating:8,135 lbs (4WD ROPS) (3690 kg)
Rear tire:16.9-30
Wheelbase:93 inches (236 cm)
Front tire:7.50-16
Height Cab:107 inches (271 cm)
Height Hood:67 inches (170 cm)
Height Exhaust:112 inches (284 cm)
2WD Cab Shipping:8,129 lbs (3687 kg)
4WD Cab Shipping:9,121 lbs (4137 kg)
2WD ROPS Shipping:7,099 lbs (3220 kg)
4WD ROPS Shipping:8,091 lbs (3670 kg)
2WD Clearance (front axle):22 inches (55 cm)
4WD Clearance (front axle):20 inches (50 cm)

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540, 540/1000 Optional