New Holland 6640 Tractor (1998)

Manufacturer:New Holland

Price:33,400(USD)

Series:PowerStar 40 Series

Model:6640

Equipment Type: Utility Tractors

Factory:Basildon, England

Full Specifications

VARIANTS

6640S
8-speed economy
6640SL
12-speed
6640SLE
16-speed premium

OCED TRACTOR TEST 1657 2

Description
Diesel 16x4 4WD April 24 - May 11, 1992 Link: OCED Tractor Test 1657 file PTO performance Drawbar performance Gear 5-Low used for power test Gear 2H used for pull test
Max power
67.18hp / 50.1kW
Fuel use
4.7gal/hour / 17.8l/hour
Power at rated engine speed
76.75hp / 57.2kW
Power at rated PTO speed
75.63hp / 56.4kW
Max pull
10,512lbs / 4768kg

NEW HOLLAND 6640 POWER

Engine (gross)
90.7hp / 67.6kW
Engine (net)
85hp / 63.4kW
PTO (claimed)
76hp / 56.7kW
Drawbar (tested)
67.18hp / 50.1kW
PTO (tested)
77.13hp / 57.5kW

ENGINE DETAIL

Description
Ford Genesis diesel 4-cylinder 8-valve liquid-cooled
Displacement
304ci / 5.0L
Bore/Stroke
4.40x5.00inches / 112x 127mm
Power (gross)
90.7hp / 67.6kW
Air cleaner
dual paper elements
Compression
17.5:1
Rated RPM
2200
Idle RPM
725-2375
Torque
337lb-ft / 457.0Nm
Torque RPM
1200
Firing order
1-3-4-2
Starter volts
12
Coolant capacity
15.3qts / 14.5L 16.9qts / 16.0L *With cab
Intake valve clearance
0.016inches / 0.406mm (cold)
Exhaust valve clearance
0.019inches / 0.483mm (cold)

ENGINE OIL

Oil capacity
12.1qts / 11.5L

NEW HOLLAND 6640 ENGINE

Description
Ford 5.0L 4-cyl diesel
Fuel tank
25gal / 94.6L 52.7gal / 199.5L (ROPS optional) 46.9gal / 177.5L (cab optional)

TRANSMISSIONS OVERVIEW

Description
8-speed constant mesh 16-speed two-speed power shift 12-speed synchronized 16-speed four-speed power shift

TRANSMISSION 1

Transmission
EconoShift
Type
constant mesh
Gears
8 forward and 2 reverse
Clutch
dry disc
Oil capacity
69.6qts / 65.9L
Description
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

SPEEDS 1

Description
With 16.9-34 rear tires

TRANSMISSION 2

Transmission
Dual Power
Type
two-speed power shift
Gears
16 forward and 4 reverse
Clutch
dry disc
Oil capacity
69.6qts / 65.9L
Description
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

SPEEDS 2

Description
With 16.9-34 rear tires

TRANSMISSION 3

Transmission
SynchroShift
Type
synchronized
Gears
12 forward and reverse
Clutch
dry disc
Description
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

SPEEDS 3

Description
With 16.9-38 rear tires

TRANSMISSION 4

Transmission
ElectroShift/Pulse Command
Type
four-speed power shift
Gears
16 forward and reverse
Clutch
wet disc
Oil capacity
64qts / 60.6L
Description
Four power shift gears arranged in two synchronized ratio groups (1-4 and 5-8). Two synchronized ranges (low/high) and right-hand shuttle. Clutch must be used to shift range or move between the lower (1-4) and higher (5-8) gear ratio groups. Push-button power shifting between the four gears in a ratio group. Push-button de-clutching on the shuttle lever allow shifting without the foot clutch. The 16 power shift was standard on the 6640 SLE

SPEEDS 4

Description
With 16.9-38 rear tires

MECHANICAL

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)
Transmissions
8-speed constant mesh 16-speed two-speed power shift 12-speed synchronized 16-speed four-speed power shift

HYDRAULICS

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

TRACTOR HITCH

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

POWER TAKE-OFF (PTO)

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

NEW HOLLAND 6640 TIRES

Ag front
7.50-16
Ag rear
16.9-30

DIMENSIONS

Wheelbase
93inches / 236cm
Length
162inches / 411cm
2WD Width
77inches / 195cm
4WD Width
80inches / 203cm
2WD Clearance (front axle)
22inches / 55cm
4WD Clearance (front axle)
20inches / 50cm

NEW HOLLAND 6640 WEIGHT

2WD ROPS Shipping
7,099lbs / 3220kg
4WD ROPS Shipping
8,091lbs / 3670kg
2WD Cab Shipping
8,129lbs / 3687kg
4WD Cab Shipping
9,121lbs / 4137kg
Operating
8,135lbs / 3690kg (4WD ROPS)
Ballasted
10,368lbs / 4702kg

NEW HOLLAND 6640 HEIGHT

Hood
67inches / 170cm
Cab
107inches / 271cm
Exhaust
112inches / 284cm

DIMENSIONS & TIRES

Wheelbase
93inches / 236cm
Weight
7099 to 9121 pounds
Front tire
7.50-16
Rear tire
16.9-30

FORD 7411 LOADER

Height (to pin)
134inches / 340cm
Clearance, dumped bucket
99inches / 251cm
Dump reach
48inches / 121cm
Breakout force (lift)
5265lbs / 2388kg
Lift to full height (at pin)
3050lbs / 1383kg

6640 SERIAL NUMBERS

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

ELECTRICAL

Ground
negative
Charging system
alternator
Charging amps
55 (ROPS) / 100 (cab)
Batteries
1 (ROPS) / 2 (cab)
Battery CCA
800
Battery volts
12

About New Holland Tractor

The 6640 model tractor belongs to the New Holland PowerStar 40 Series. The 6640 is a Utility Tractors type, that is used often in Agriculture Tractors. The 6640 tractor features a engine. This arrangement is more practical in the actual world.

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