Specifications
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| Model information | |
| Production years | 1996 - 1998 |
| Series | PowerStar 40 Series |
| Equipment type | Row-Crop tractor |
| Notes | Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing. |
| Production | |
| Manufacturer | New Holland |
| Equipment type | Row-Crop tractor |
| Built in | Built in Basildon, England |
| Original price | $35,650 (1996) |
| New Holland 7840 Engine | |
| Engine | Ford 6.6L 6-cyl diesel |
| Fuel tank | 57.5 gal 217.6 L |
| Details | Engine details ... |
| New Holland 7840 Transmissions | |
| Transmission | 8-speed constant mesh 16-speed two-speed power shift 12-speed synchronized 16-speed four-speed power shift |
| Details | Transmission details ... |
| New Holland 7840 Power | |
| PTO (claimed) | 90 hp 67.1 kW |
| Drawbar (tested) | 75.2 hp 56.1 kW |
| PTO (tested) | 90.4 hp 67.4 kW |
| Details | Performance test details ... |
| Mechanical | |
| Drive | 4x2 2WD
4x4 MFWD 4WD (optional)
|
| Final drives | inboard planetary |
| Differential lock | electro-hydraulic (SLE) |
| Steering | Power steering |
| Brakes | mechanical (S)
hydraulic wet disc (SL/SLE)
|
| Cab / ROPS | Two-post foldable ROPS with flat-deck platform. 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 | 17.4 gpm 65.9 lpm 20 gpm (SLE) 75.7 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 7840 SLE. |
| Rear lift (at 24"/610mm) | 6,210 lbs (SL) 2816 kg 8,240 lbs (SL optional) 3737 kg 6,564 lbs (SLE) 2977 kg 8,710 lbs (SLE optional) 3950 kg |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
| Dimensions & Tires | |
| 2WD Wheelbase | 106 inches 269 cm |
| 4WD Wheelbase | 103 inches 261 cm |
| Weight | 8076 to 10274 pounds |
| Front tire | 10.00-16 |
| Rear tire | 18.4-34 |
| Details | Full dimensions and tires ... |
| New Holland 7840 attachments | |
| Attachment | front-end loader |
| Details | Attachment details ... |
| 7840 Serial Numbers | |
| Location: | Data plate inside hood. |
| 1991 | BC68791 |
| 1992 | BD02865 |
| 1993 | BD35935 |
| 1994 | BD65544 |
| 1995 | BD98440 |
| 1996 | 022132B |
| Details | FAQ: How to read a serial number table. |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 55 (ROPS)
100 (cab)
|
| Batteries | 1 (ROPS)
2 (cab)
|
| Battery CCA | 800 |
| Battery volts | 12 |
| References | |
| Publication | Operator's Manual 5640, 6640, 7740 and 7840 S Range Tractors (42564031) published in 1994 |
Values may vary by engine, transmission or configuration. View source page
Model family
Series map
- 100.3 hp
- 7840 Current model100.0 hp*
- 8240106.7 hp*
*Estimated engine power for comparison only.