Ford 7840

Ford 7840The Ford 7840 is a 2WD/4WD row-crop tractor from the PowerStar 40 series. This tractor was manufactured by Ford in Basildon, England from 1991 to 1995. The Ford 7840 is equipped with a 6.6 L (401.8 cu·in) six-cylinder diesel engine and one of four transmission variants.

The Ford 7840 row-crop tractor used the Ford Genesis engine. It is a 6.6 L, 6,585 cm2, (401.8 cu·in) six-cylinder natural aspirated diesel engine with 112.0 mm (4.41 in) of the cylinder bore and 112.0 mm (4.41 in) of the piston stroke. The compression ratio rating is 17.5:1. This engine produced 91.3 PS (67.1 kW; 90.0 HP) of PTO output power.

The Ford 7840 is equipped with hydrostatic power steering, mechanical (S) or hydraulic wet disc (SL/SLE) brakes, two-post foldable ROPS with flat-deck platform or Comfort Command Cab and 217.6 liters (57.5 US gal.; 47.9 Imp. gal) fuel tank.

The Ford 7840 variants:

  • 7840S: EconoShift 8-speed transmission, economy version
  • 7840SL: SynchroShift 12-speed transmission
  • 7840SLE: ElectroShift/Pulse Command 16-speed transmission, Premium version

Ford 7840 Specifications

General Specifications
Model Ford 7840
Length 4,470 mm (176 in)
Width 2,100 mm (82.7 in)
Height (cab) 2,790 mm (109.8 in)
Wheel base 2WD: 2,690 mm (105.9 in)
4WD: 2,610 mm (102.8 in)
Ground clearance (front axle) 2WD: 580 mm (22.8 in)
4WD: 550 mm (21.7 in)
Weight (shipping) 2WD ROPS: 3,665 kg (8,080 lbs)
4WD ROPS: 4,145 kg (9,140 lbs)
2WD Cab: 4,180 kg (9,215 lbs)
4WD Cab: 4,660 kg (10,275 lbs)
Fuel tank capacity 217.6 liters (57.5 US gal.; 47.9 Imp. gal)
Battery One 12V (ROPS) or two 12V (Cab), CCA 800A
Cabin type Two-post foldable ROPS with flat-deck platform or Comfort Command Cab (optional for SL/SLE)
Engine
Engine model Ford Genesis
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 6.6 L, 6,585 cm2, (401.8 cu·in)
Bore and stroke 112.0 mm X 112.0 mm (4.41 in X 4.41 in)
Compression ratio 17.5:1
Horsepower 91.3 PS (67.1 kW; 90.0 HP)
Starter Electric
Oil capacity: 20.9 L (22.1 US. qt, 18.4 Imp. qt.)
Coolant capacity: 20.0 L (21.1 US. qt, 17.6 Imp. qt.)
Transmission and chassis
Chassis 4×2 2WD or 4×4 MFWD 4WD (optional)
Steering type Hydrostatic power
Brakes Mechanical (S), hydraulic wet disc (SL/SLE)
Final drive Inboard planetary
Differential lock Electro-hydraulic (SLE)
Transmission model EconoShift
Transmission type Constant mesh with dry disc clutch
Gears 8 forward and 2 reverse
Speed Forward: 30.3 kmh (18.8 mph) Reverse: 14.6 kmh (9.1 mph)
Transmission oil capacity 65.9 L (17.4 US. gal, 14.5 Imp. gal.)
Transmission model Dual Power
Transmission type Two-speed power shift with dry disc clutch
Gears 16 forward and 4 reverse
Speed Forward: 30.3 kmh (18.8 mph) Reverse: 14.6 kmh (9.1 mph)
Transmission model SynchroShift
Transmission type Synchronized with dry disc clutch
Gears 12 forward and 12 reverse
Speed Forward: 30.9 kmh (19.2 mph)
Transmission model ElectroShift/Pulse Command
Transmission type Four-speed power shift with wet disc clutch
Gears 16 forward and 16 reverse
Speed Forward: 30.7 kmh (19.1 mph)
Transmission oil capacity 60.6 L (16 US. gal, 13.3 Imp. gal.)
Tires
Front tires Ag: 10.00-16
Rear tires Ag: 18.4-34
Three-Point Hitch
Category II
Control type Position control and top-link draft sensing
7840 SLE (optional): Electronic lower-link sensing
Lift capacity (at 610 mm/24 in) SL: 2,816 kg (6,210 lbs)
SL (optional): 3,737 kg (8,240 lbs)
SLE: 2,977 kg (6,564 lbs)
SLE (optional): 3,950 kg (8,710 lbs)
PTO (Power take-off shaft)
Rear PTO type Independent
Rear PTO speed 540/1000 rpm
Hydraulic system
Hydraulic type Open center (S/SL) or closed center load sensing (SLE)
Valves 1 to 4
Pump flow 17.4 gpm (65.9 lpm)
SLE: 20.0 gpm (75.7 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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