Introduction
Production Information of New Holland, 6640
The production information of the tractor (6640) includes details about its manufacturing.
| Original price was $33,400 in 1998 |
| Utility tractor |
| Built in Basildon, England |
| Manufacturer | New Holland |
|---|
Dimension and Tires Information of New Holland, 6640
This section sums up the dimension and tires information of the tractor.
| Wheelbase | 93 inches [236 cm] |
|---|---|
| 2WD Clearance (front axle) | 22 inches [55 cm] |
| 4WD Width | 80 inches [203 cm] |
| Length | 162 inches [411 cm] |
| 4WD Clearance (front axle) | 20 inches [50 cm] |
| 2WD Width | 77 inches [195 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 16.9-30 |
Engine Specifications of New Holland, 6640
Get the specifications for the engine and if different options are available.
| Liquid-cooled |
| 4-cylinder 8-valve |
| Starter volts | 12 |
|---|---|
| Firing order | 1-3-4-2 |
| Exhaust valve clearance | 0.019 inches (cold) [0.483 mm] |
| Power (gross) | 90.7 hp [67.6 kW] |
| Coolant capacity | 15.3 qts [14.5 L] |
| Compression | 17.5:1 |
| Rated RPM | 2200 |
| Air cleaner | Dual paper elements |
| Displacement | 304 ci [5.0 L] |
| Power (net) | 85 hp [63.4 kW] |
| Oil capacity | 12.1 qts [11.5 L] |
| Bore/Stroke | 4.40x5.00 inches [112 x 127 mm] |
| Torque RPM | 1200 |
| 16.9 qts*With cab [16.0 L] | |
| Intake valve clearance | 0.016 inches (cold) [0.406 mm] |
| Torque | 337 lb-ft [457.0 Nm] |
| Idle RPM | 725-2375 |
Transmission Information of New Holland, 6640Y
Discover all variants of transmission available for this tractor model.
Transmission variants 1
| 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. |
| Transmission | EconoShift |
|---|---|
| Oil capacity | 69.6 qts [65.9 L] |
| Clutch | Dry disc |
| Type | Constant mesh |
| Gears | 8 forward and 2 reverse |
Transmission variants 2
| 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. |
| Transmission | Dual Power |
|---|---|
| Oil capacity | 69.6 qts [65.9 L] |
| Clutch | Dry disc |
| Type | Two-speed power shift |
| Gears | 16 forward and 4 reverse |
Transmission variants 3
| 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. |
| Transmission | SynchroShift |
|---|---|
| Clutch | Dry disc |
| Type | Synchronized |
| Gears | 12 forward and reverse |
Transmission variants 4
| 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. |
| Transmission | ElectroShift/Pulse Command |
|---|---|
| Oil capacity | 64 qts [60.6 L] |
| Clutch | Wet disc |
| Type | Four-speed power shift |
| Gears | 16 forward and reverse |
| 8-speed constant mesh |
| 16-speed four-speed power shift |
| 16-speed two-speed power shift |
| 12-speed synchronized |
Mechanical Specs of New Holland, 6640Y
This section summarizes all mechanical information such as the brake system and other specifications.
| Power steering |
| Two-post foldable ROPS. Straddle-mount (6640 S) or raised deck (SL/SLE). Comfort Command Cab optional with air-conditioning (SL/SLE). |
| Brakes | Mechanical (S) |
|---|---|
| Drive | 4x2 2WD |
| Electro-hydraulic (SL/SLE) | |
| Differential lock | Mechanical (S) |
| 4x4 MFWD 4WD (optional) | |
| Hydraulic wet disc (SL/SLE) | |
| Final drives | Inboard planetary |
Power Information of New Holland, 6640Y
Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
| 540/1000 OptOptional |
Hydraulics Specifications of New Holland, 6640
Hydraulic system type, pressure, pump flow and valves.
| Type | Open center (S/SL) |
|---|---|
| 21 gpm (SLE) [79.5 lpm] | |
| Pump flow | 18.2 gpm [68.9 lpm] |
| Closed center load sensing (SLE) | |
| Steering press. | 2100 psi [144.8 bar] |
| Valves | 1 to 4 |
Three-Point Hitch of New Holland, 6640
Hitch category and rear/front lift capacity.
| Rear Type | II |
|---|---|
| 6210 lbs (SLE) [2816 kg] | |
| 4439 lbs (optional) [2013 kg] | |
| Control | Position control and top-link draft sensing. Electronic lower-link sensing optional on 6640 SLE. |
| 6564 lbs (SLE optional) [2977 kg] | |
| Rear lift (at 24"/610mm) | 4200 lbs [1905 kg] |
Electrical System of New Holland, 6640
Battery voltage, charging system and ground.
| Battery CCA | 800 |
|---|---|
| Ground | Negative |
| ROPS Batteries | 1 |
| Cab Charging amps | 100 |
| Charging system | Alternator |
| Battery volts | 12 |
| Cab Batteries | 2 |
| ROPS Charging amps | 55 |
Frequently asked questions
How much horsepower does the New Holland 6640 have?
The New Holland 6640 delivers 90 HP.
What years was the New Holland 6640 produced?
The New Holland 6640 was produced in 1996-1998.
What engine does the New Holland 6640 have?
The New Holland 6640 is powered by a 4-cylinder 8-valve engine.
What transmission does the New Holland 6640 use?
The New Holland 6640 uses a EconoShift transmission.
Is the New Holland 6640 4WD?
The New Holland 6640 is available in 2WD/4WD.