New Holland 6640
The New Holland 6640 is a tractor produced by New Holland. It is equipped with a 304 ci 5.0 L engine. The listed engine power is Diesel (net): 85 hp / 63.4 kW; Diesel (gross): 90.7 hp / 67.6 kW. Transmission: ElectroShift/Pulse Command. Drive type: 4x2 2WD. Operating weight: 7099 to 9121 pounds.
Engine Power
Diesel (net): 85 hp / 63.4 kW; Diesel (gross): 90.7 hp / 67.6 kW
Drive & Traction
4x2 2WD
Fuel & Capacities
25 gal
94.6 L
Transmission
ElectroShift/Pulse Command
Operating Weight
7099 to 9121 pounds
Overview
 | 1996 - 1998
PowerStar 40 SeriesUtility tractor
PowerStar 40 Series
Utility tractor |
|---|
Series map: TS100↑ 1999-200356406640774078.7hp90.7hp100.3hp6640↓ 1991-1995
Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing. |
Production | |
|---|---|
Manufacturer | New Holland |
Utility tractor | |
Built in Basildon, England | |
Original price was $33,400 in 1998 | |
New Holland 6640 Engine | |
|---|---|
Ford 5.0L 4-cyl diesel | |
Fuel tank | 25 gal
94.6 L |
52.7 gal (ROPS optional)
199.5 L | |
46.9 gal (cab optional)
177.5 L | |
Engine details ...  | |
New Holland 6640 Power | |
|---|---|
Engine (gross) | 90.7 hp
67.6 kW |
Engine (net) | 85 hp
63.4 kW |
PTO (claimed) | 76 hp
56.7 kW |
Drawbar (tested) | 67.18 hp
50.1 kW |
PTO (tested) | 77.13 hp
57.5 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 MFWD 4WD (optional) | |
Final drives | inboard planetary |
Differential lock | mechanical (S) |
electro-hydraulic (SL/SLE) | |
Power steering | |
Brakes | mechanical (S) |
hydraulic wet disc (SL/SLE) | |
Two-post foldable ROPS. Straddle-mount (6640 S) or raised deck (SL/SLE). Comfort Command Cab optional with air-conditioning (SL/SLE). | |
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 press. | 2100 psi
144.8 bar |
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"/610mm) | 4200 lbs
1905 kg |
4439 lbs (optional)
2013 kg | |
6210 lbs (SLE)
2816 kg | |
6564 lbs (SLE optional)
2977 kg | |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 |
540/1000 OptOptional | |
Dimensions & Tires | |
|---|---|
Wheelbase | 93 inches
236 cm |
Weight | 7099 to 9121 pounds |
Front tire | 7.50-16 |
Rear tire | 16.9-30 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
ROPS Charging amps | 55 |
Cab Charging amps | 100 |
ROPS Batteries | 1 |
Cab Batteries | 2 |
Battery CCA | 800 |
Battery volts | 12 |
References | |
|---|---|
 | |
Operator's Manual 5640, 6640, 7740 and 7840 S Range Tractors (42564031) published in 1994 |
Engine
Series map: TS100↑ 1999-200356406640774078.7hp90.7hp100.3hp6640↓ 1991-1995
Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing. |
Engine Detail — 304 ci / 5.0 L Diesel
Manufacturer | Ford Genesis |
Fuel Type | Diesel |
Configuration | 4-cylinder 8-valve, liquid-cooled |
Displacement | 304 ci
5.0 L |
Bore/Stroke | 4.40x5.00 inches
112 x 127 mm |
Power (net) | 85 hp
63.4 kW |
Power (gross) | 90.7 hp
67.6 kW |
Air cleaner | dual paper elements |
Compression | 17.5:1 |
Rated RPM | 2200 |
Idle RPM | 725-2375 |
Torque | 337 lb-ft
457.0 Nm |
Torque RPM | 1200 |
Firing order | 1-3-4-2 |
Starter volts | 12 |
Coolant capacity | 15.3 qts
14.5 L |
16.9 qts*With cab
16.0 L | |
Intake valve clearance | 0.016 inches (cold)
0.406 mm |
Exhaust valve clearance | 0.019 inches (cold)
0.483 mm |
Oil capacity | 12.1 qts
11.5 L |
Transmission
Series map: TS100↑ 1999-200356406640774078.7hp90.7hp100.3hp6640↓ 1991-1995
Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing. |
Transmission options | |
|---|---|
8-speed constant mesh | |
16-speed two-speed power shift | |
12-speed synchronized | |
16-speed four-speed power shift |
Transmission — EconoShift
Transmission | EconoShift |
Type | constant mesh |
Gears | 8 forward and 2 reverse |
Clutch | dry disc |
Oil capacity | 69.6 qts
65.9 L |
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. | |
With 16.9-34 rear tires. | |
 | |
Transmission — Dual Power
Transmission | Dual Power |
Type | two-speed power shift |
Gears | 16 forward and 4 reverse |
Clutch | dry disc |
Oil capacity | 69.6 qts
65.9 L |
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. | |
With 16.9-34 rear tires. | |
 | |
Transmission — SynchroShift
Transmission | SynchroShift |
Type | synchronized |
Gears | 12 forward and reverse |
Clutch | dry disc |
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. | |
With 16.9-38 rear tires. | |
 | |
Transmission — ElectroShift/Pulse Command
Transmission | ElectroShift/Pulse Command |
Type | four-speed power shift |
Gears | 16 forward and reverse |
Clutch | wet disc |
Oil capacity | 64 qts
60.6 L |
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. | |
With 16.9-38 rear tires. | |
 | |
Dimensions
Series map: TS100↑ 1999-200356406640774078.7hp90.7hp100.3hp6640↓ 1991-1995
Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing. |
New Holland 6640 Tires | |
|---|---|
Ag front | 7.50-16 |
Ag rear | 16.9-30 |
Dimensions | |
|---|---|
Wheelbase | 93 inches
236 cm |
Length | 162 inches
411 cm |
2WD Width | 77 inches
195 cm |
4WD Width | 80 inches
203 cm |
2WD Clearance (front axle) | 22 inches
55 cm |
4WD Clearance (front axle) | 20 inches
50 cm |
New Holland 6640 Weight | |
|---|---|
2WD ROPS Shipping | 7,099 lbs
3220 kg |
4WD ROPS Shipping | 8,091 lbs
3670 kg |
2WD Cab Shipping | 8,129 lbs
3687 kg |
4WD Cab Shipping | 9,121 lbs
4137 kg |
Operating | 8,135 lbs (4WD ROPS)
3690 kg |
Ballasted | 10,368 lbs
4702 kg |
New Holland 6640 Height | |
|---|---|
Hood | 67 inches
170 cm |
Cab | 107 inches
271 cm |
Exhaust | 112 inches
284 cm |
Tests
Series map: TS100↑ 1999-200356406640774078.7hp90.7hp100.3hp6640↓ 1991-1995
Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing. |
OCED Tractor Test 1657 | |
|---|---|
Diesel 16x4 4WD
April 24 - May 11, 1992
Link: OCED Tractor Test 1657 file | |
PTO performance | |
Max power | 77.13 hp
57.5 kW |
Fuel use | 4.7 gal/hour
17.8 l/hour |
Power at rated engine speed | 76.75 hp
57.2 kW |
Fuel use | 4.7 gal/hour
17.8 l/hour |
Power at rated PTO speed | 75.63 hp
56.4 kW |
Fuel use | 4.5 gal/hour
17.0 l/hour |
Drawbar performance | |
Max power | 67.18 hp
50.1 kW |
Fuel use | 4.7 gal/hour
17.8 l/hour |
Gear 5-Low used for power test. | |
Max pull | 10,512 lbs
4768 kg |
Gear 2H used for pull test. | |
Attachments
Series map: TS100↑ 1999-200356406640774078.7hp90.7hp100.3hp6640↓ 1991-1995
Note: the New Holland model 6640 is the same as the Ford 6640. The following data is from the 6640 listing. |
Attachment overview | |
|---|---|
Ford 7210 loader | |
Ford 7411 loader |
Photos
Ford-New Holland 6640 with boom mower
Ford-New Holland 6640 with boom mower
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for New Holland 6640.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
New Holland 6640 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for New Holland 6640.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare New Holland 6640 against same-era industry alternatives in the same horsepower class.
Current Model
New Holland
New Holland 6640
Engine Power:Diesel (net): 85 hp / 63.4 kW; Diesel (gross): 90.7 hp / 67.6 kW
★ Baseline Reference
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