New Holland

6640

Farm tractor · 1996–1998 · 90 hp

New Holland6640
EngineTransmissionHydraulicsHitchDimensionsWeightTires & TracksFuelSteeringCabMore New Holland

The New Holland 6640 is a farm tractor manufactured from 1996 to 1998. It features a Ford Genesis engine, and two-post foldable steering. The transmission is a constant mesh type with 8 forward and 2 reverse.

Engine

EngineFord Genesis
Fuel Typediesel
Cylinders4
Coolingliquid-cooled
Displacement304 ci (5 L)
Bore4.4 in (112 mm)
Stroke5 in (127 mm)
Compression Ratio17.5
Power Gross90.7 hp (67.6 kW)
Power Net85 hp (63.4 kW)
Power PTO77.13 hp (57.5 kW)
Power Drawbar67.18 hp (50.1 kW)
Torque Peak337 lb-ft (457 Nm)
Torque Peak1,200 RPM
Air Cleanerdual paper elements
Starter Volts12
Oil Capacity12.1 qts (11.5 L)
Coolant Capacity15.3 qts (14.5 L)
ManufacturerFord
Rated2,200 RPM
Idle725-2375 RPM
Firing Order1-3-4-2

Transmission

Transmission Typeconstant mesh
Gears8 forward and 2 reverse
Transmission DescriptionFour 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.
Clutchdry disc
Oil Capacity69.6 qts (65.9 L)
Available Options8-speed constant mesh, 16-speed two-speed power shift, 12-speed synchronized, 16-speed four-speed power shift

Hydraulics

Typeopen center (S/SL); closed center load sensing (SLE)
Pump Flow21 gpm (79.5 lpm)
Valves4

Hitch

Rear TypeII
Rear Lift6,564 lbs (2,977 kg)
Hitch ControlPosition control and top-link draft sensing. Electronic lower-link sensing optional on 6640 SLE.

Dimensions

Length162 in (411 cm)
Width80 in (203 cm)
Height Cab107 in (271 cm)
Wheelbase93 in (236 cm)

Weight

Operating8,135 lbs (3,690 kg)
Ballasted10,368 lbs (4,702 kg)

Tires & Tracks

Front Ag7.50-16
Rear Ag16.9-30

Fuel

ROPS

Capacity52.7 gal (199.5 L)

Cab

Capacity46.9 gal (177.5 L)

Steering

Typetwo-post foldable
Pressure2,100 psi (144.8 bar)

Cab

Caboptional with air-conditioning (SL/SLE)