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| info | |
| 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 |
| Factory: | Basildon, England |
| Original price (USD): | $35,650 (1996) |
| Variants | |
| 7840S: | 8-speed economy |
| 7840SL: | 12-speed |
| 7840SLE: | 16-speed premium |
| Capacity | |
| Fuel: | 57.5 gal [217.6 L] |
| 3-Point 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 [2816 kg] (SL), 8,240 lbs [3737 kg] (SL optional), 6,564 lbs [2977 kg] (SLE), 8,710 lbs [3950 kg] (SLE optional) |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 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 |
| 7840 Serial Numbers | |
| Location: | Data plate inside hood. |
| 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] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD (optional) |
| Final drives: | inboard planetary |
| Differential lock: | electro-hydraulic (SLE) |
| Steering: | hydrostatic power |
| Brakes: | mechanical (S), hydraulic wet disc (SL/SLE) |
| Cab: | 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 [75.7 lpm] (SLE) |
| Steering press.: | 2100 psi [144.8 bar] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 55 (ROPS), 100 (cab) |
| Battery | |
| Number: | 1 (ROPS), 2 (cab) |
| Cold-cranking amps: | 800 |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.40x5.00 inches [112 x 127 mm] |
| Compression: | 17.5:1 |
| Rated RPM: | 2100 |
| Idle RPM: | 725-2275 |
| Firing order: | 1-5-3-6-2-4 |
| Starter volts: | 12 |
| Oil capacity: | 22.1 qts [20.9 L] |
| Coolant capacity: | 21.1 qts [20.0 L], 22.7 qts [21.5 L] (cab) |
| Intake valve clearance: | 0.016 inches [0.406 mm] (cold) |
| Exhaust valve clearance: | 0.019 inches [0.483 mm] (cold) |
| Engine Detail | |
| Ford Genesis, diesel, 6-cylinder 12-valve, liquid-cooled, 401 ci [6.6 L] |
| info | |
| Speeds: | With 16.9-34 rear tires. |
| Transmission | |
| 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 7840S. | |
| info | |
| Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing. |
| Dimensions | |
| 2WD ROPS Weight (shipping): | 8,076 lbs [3663 kg] |
| 4WD ROPS Weight (shipping): | 9,134 lbs [4143 kg] |
| 2WD Cab Weight (shipping): | 9,215 lbs [4179 kg] |
| 4WD Cab Weight (shipping): | 10,274 lbs [4660 kg] |
| 2WD Wheelbase: | 106 inches [269 cm] |
| 4WD Wheelbase: | 103 inches [261 cm] |
| Length: | 176 inches [447 cm] |
| Width: | 83 inches [210 cm] |
| Height (hood): | 70 inches [177 cm] |
| Height (cab): | 110 inches [279 cm] |
| Height (exhaust): | 114 inches [289 cm] |
| 2WD Clearance (front axle): | 23 inches [58 cm] |
| 4WD Clearance (front axle): | 22 inches [55 cm] |
| New Holland 7840 Tires | |
| Ag front: | 10.00-16 |
| Ag rear: | 18.4-34 |