New Holland 6640
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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 Transmissions | |
| 8-speed constant mesh | |
| 16-speed two-speed power shift | |
| 12-speed synchronized | |
| 16-speed four-speed power shift | |
 Transmission 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). | |
| Photos | |
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 New Holland 6640 photos... | |
| 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 ... | |
| New Holland 6640 attachments | |
| front-end loader | |
 Attachment details ... |
| 6640 Serial Numbers | |
| Location: | Data plate inside hood. |
| 1991 | BC68791 |
| 1992 | BD02865 |
| 1993 | BD35935 |
| 1994 | BD65544 |
| 1995 | BD98440 |
| 1996 | 021630B |
| 1997 | 056502B |
| 1998 | 083503B |
FAQ: How to read a serial number table. | |
| 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 | |
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| Operator's Manual 5640, 6640, 7740 and 7840 S Range Tractors (42564031) published in 1994 |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on April 23, 2022 | |
| https://www.dmcretail.com/newholland - Official operator manuals from New Holland. |