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New Holland 7840 Specifications
The New Holland 7840 is a 2WD or 4WD row-crop tractor from PowerStar 40 Series. This model was manufactured from 1996 to 1998. The New Holland 7840 tractor is powered by 401 cu.in (6.6 L) Ford Genesis 4-cycle vertical 6-cylinder direct injection naturally aspirated liquid-cooled diesel engine with a rated power of 100 hp (73.5 kW). The tractor is fitted with several types of transmission: 8x2 constant mesh transmission, 16x4 two-speed powershift transmission, or 12x12 synchronized transmission.
The open center hydraulic system has a gear pump with a rated capacity of 9.3 gpm (35.2 lpm). The New Holland 7840 tractor is equipped with a hydrostatic power steering system, hydraulic wet disc brakes, 10.00x16 front tires, and 18.4x30 rear tires. Compatible attachments for the tractor: Ford 7411 front-end loader and Ford 7413 front-end loader.
| Engine Specs |
Engine Model ......................... Ford Genesis
Engine Type ......................... Four-stroke six-cylinder liquid-cooled diesel
Number of Cylinders ......................... 6
Displacement, cu.in (L) ......................... 401 (6.59)
Cylinder Bore, in (mm) ......................... 4.40 (112.0)
Piston Stroke, in (mm) ......................... 4.40 (112.0)
Aspiration Type ......................... Naturally aspirated
Rated Engine Power, hp (kW) ......................... 100.0 (73.5)
Rated Engine Speed, rpm ......................... 2100
Low Idle Speed, rpm ......................... 725-775
High Idle Speed, rpm ......................... 2295-2275
Compression Ratio ......................... 17.5:1
Firing Order ......................... 1-5-3-6-2-4
Fuel System ......................... Direct injection
Lubrication System ......................... Full pressure
Cooling System ......................... Liquid-cooled
Air Cleaner Type ......................... Dual paper elements
Coolant Pump Type ......................... Impeller
Fan Diameter, in (mm) ......................... 20.1 (510)
Valve Clearance (Intake), in (mm) ......................... 0.014-0.018 (0.36-0.46)
Valve Clearance (Exhaust), in (mm) ......................... 0.017-0.021 (0.43-0.53)
Fuel Tank Capacity, gal (L) ......................... 57.0 (217.6)
Coolant Capacity, qts (L) ......................... 21.8 (20.0)
Oil Capacity, qts (L) ......................... 22.5 (20.9)
Electrical System Rating, Volts ......................... 12
Charging System ......................... Alternator
Alternator Rating, Amps ......................... 100/55
| Power Take Off |
PTO Operational Type ......................... Independent
PTO Power, hp (kW) ......................... 90.0 (67.1)
PTO Speed (Std), rpm ......................... 540
PTO/Engine Speed (Std), rpm ......................... 540/1900
PTO Speed (Opt), rpm ......................... 1000
PTO/Engine Speed (Opt), rpm ......................... 1000/2050
| Standard Transmission |
Transmission Model ......................... EconoShift
Transmission Type ......................... Constant mesh
Gearbox Type ......................... 8F/2R
Number of Forward Gears ......................... 8
Number of Reverse Gears ......................... 2
Clutch Type ......................... Dry disc
Oil Capacity, qts (L) ......................... 69.6 (65.9)
Maximum Forward Speed, mph (kph) ......................... 18.8 (30.3)
Maximum Reverse Speed, mph (kph) ......................... 9.1 (14.6)
| Optional Transmission |
Transmission Model ......................... Dual Power
Transmission Type ......................... 2-Speed powershift
Gearbox Type ......................... 16F/4R
Number of Forward Gears ......................... 16
Number of Reverse Gears ......................... 4
Clutch Type ......................... Dry disc
Oil Capacity, qts (L) ......................... 69.6 (65.9)
Maximum Forward Speed, mph (kph) ......................... 18.8 (30.3)
Maximum Reverse Speed, mph (kph) ......................... 9.1 (14.6)
| Optional Transmission |
Transmission Model ......................... Synchro Shift
Transmission Type ......................... Synchronized
Gearbox Type ......................... 12F/12R
Number of Forward Gears ......................... 12
Number of Reverse Gears ......................... 12
Clutch Type ......................... Dry disc
Maximum Forward Speed, mph (kph) ......................... 19.2 (30.9)
Maximum Reverse Speed, mph (kph) ......................... 19.2 (30.9)
| Wheels and Tires |
Wheel Drive System ......................... 2WD/4WD
Steering Configuration ......................... Front Steer
Steering System ......................... Hydrostatic power
Brakes Type ......................... Hydraulic wet disc
Front Tire Size ......................... 10.00x16
Rear Tire Size ......................... 18.4x30
| Hydraulic System |
Hydraulic System Type ......................... Open center
Implement Pump Type ......................... Gear
Implement Pump Flow, gpm (Lpm) ......................... 9.3 (35.2)
Hydraulic Pressure, Bar (psi) ......................... 182 (2650)
Steering Pump Type ......................... Fixed displacement gear
Steering Pump Flow, gpm (Lpm) ......................... 9.2 (34.8)
Steering Pressure, Bar (psi) ......................... 145 (2100)
Number of Standard Remote Valves ......................... Up to 4 optional
3-Point Hitch Category ......................... 2
Draft Sensing or Lift Control ......................... Position control and top-link draft sensing
Lift Capacity at 24" (0.6m) behind pin, lbs (kg) ......................... 9420 (4270)
Lift Capacity at lift pin, lbs (kg) ......................... 12300 (5580)
| Dimensions and Weight |
Wheel Base (2WD), in (mm) ......................... 106.3 (2700)
Wheel Base (4WD), in (mm) ......................... 103.3 (2623)
Overall Length (2WD), in (mm) ......................... 169.2 (4297)
Overall Length (4WD), in (mm) ......................... 171.7 (4361)
Height (Hood), in (mm) ......................... 70.3 (1786)
Height (Cab), in (mm) ......................... 110.1 (2797)
Width (2WD), in (mm) ......................... 83.2 (2112)
Width (4WD), in (mm) ......................... 83.7 (2126)
Ground Clearance (2WD), in (mm) ......................... 24.5 (620)
Ground Clearance (4WD), in (mm) ......................... 22.8 (580)
Turning Radius (2WD, w/o Brakes), in (mm) ......................... 170 (4318)
Turning Radius (4WD, w/o Brakes), in (mm) ......................... 174 (4420)
Weight (2WD, Cab), lbs (kg) ......................... 9215 (4180)
Weight (4WD, Cab), lbs (kg) ......................... 10274 (4660)
Weight (2WD, ROPS), lbs (kg) ......................... 8077 (3663)
Weight (4WD, ROPS), lbs (kg) ......................... 9135 (4143)
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| Farm Tractors Technical Specifications |