New Holland 7840

1996 - 1998

PowerStar 40 Series

Row-Crop tractor

Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing.

Manufacturer

New Holland

Row-Crop tractor

Built in Basildon, England

Original price

$35,650 (1996)

Ford 6.6L 6-cyl diesel

Fuel tank

57.5 gal 217.6 L

PTO (claimed)

90 hp 67.1 kW

Drawbar (tested)

75.2 hp 56.1 kW

PTO (tested)

90.4 hp 67.4 kW

Drive

4x2 2WD

4x4 MFWD 4WD (optional)

Final drives

inboard planetary

Differential lock

electro-hydraulic (SLE)

Power steering

Brakes

mechanical (S)

hydraulic wet disc (SL/SLE)

Two-post foldable ROPS with flat-deck platform. Comfort Command Cab optional with air-conditioning (SL/SLE).

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

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

Rear PTO

independent

Rear PTO Type

540/1000

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

Ground

negative

Charging system

alternator

Charging amps

55 (ROPS)

100 (cab)

Batteries

1 (ROPS)

2 (cab)

Battery CCA

800

Battery volts

12

Operator's Manual 5640, 6640, 7740 and 7840 S Range Tractors (42564031) published in 1994

Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing.

Manufacturer

Ford Genesis

Fuel Type

Diesel

Configuration

6-cylinder 12-valve, liquid-cooled

Displacement

401 ci 6.6 L

Bore/Stroke

4.40x4.40 inches 112 x 112 mm

Compression

17.5:1

Rated RPM

2100

Idle RPM

725-2275

Firing order

1-5-3-6-2-4

Starter volts

12

Coolant capacity

21.1 qts 20.0 L

22.7 qts (cab) 21.5 L

Intake valve clearance

0.016 inches (cold) 0.406 mm

Exhaust valve clearance

0.019 inches (cold) 0.483 mm

Oil capacity

22.1 qts 20.9 L

Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing.

8-speed constant mesh

16-speed two-speed power shift

12-speed synchronized

16-speed four-speed power shift

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.

With 16.9-34 rear tires.

Transmission

Dual Power

Type

two-speed power shift

Gears

16 forward and 4 reverse

Clutch

dry disc

Oil capacity

69.6 qts 65.9 L

Dual Power adds a two-speed power shift between direct drive and the lower Dual Power range to the basic eight-speed transmission. The Dual Power range is engaged by a switch on the dashboard. Dual Power was an option on the 7840S.

With 16.9-34 rear tires.

Transmission

SynchroShift

Type

synchronized

Gears

12 forward and reverse

Clutch

dry disc

Four gears (1-4) in three ranges (L/M/H) with right-hand shuttle lever. Gear shifts are synchronized. Shifts between medium and high ranges are synchronized, but the tractor should be stopped to shift to or from low range. Sychronized shuttle shifting. The 12-speed SynchroShift was standard on the 7840 SL. Dual power was an option with the SynchroShift, turning it into a 24-speed transmission.

With 16.9-38 rear tires.

Transmission

ElectroShift/Pulse Command

Type

four-speed power shift

Gears

16 forward and reverse

Clutch

wet disc

Oil capacity

64 qts 60.6 L

Four power shift gears arranged in two synchronized ratio groups (1-4 and 5-8). Two synchronized ranges (low/high) and right-hand shuttle. Clutch must be used to shift range or move between the lower (1-4) and higher (5-8) gear ratio groups. Push-button power shifting between the four gears in a ratio group. Push-button de-clutching on the shuttle lever allow shifting without the foot clutch. The 16 power shift was standard on the 7840 SLE.

With 16.9-38 rear tires.

Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing.

Ag front

10.00-16

Ag rear

18.4-34

2WD Wheelbase

106 inches 269 cm

4WD Wheelbase

103 inches 261 cm

Length

176 inches 447 cm

Width

83 inches 210 cm

2WD Clearance (front axle)

23 inches 58 cm

4WD Clearance (front axle)

22 inches 55 cm

2WD ROPS Shipping

8,076 lbs 3663 kg

4WD ROPS Shipping

9,134 lbs 4143 kg

2WD Cab Shipping

9,215 lbs 4179 kg

4WD Cab Shipping

10,274 lbs 4660 kg

Hood

70 inches 177 cm

Cab

110 inches 279 cm

Exhaust

114 inches 289 cm

Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing.

Diesel 16-speed 4WD September 1992 - 1992,

PTO performance

Power at rated engine speed

90.4 hp 67.4 kW

Fuel use

5.3 gal/hour 20.1 l/hour

Drawbar performance

Max power

75.2 hp 56.1 kW

Fuel use

5.9 gal/hour 22.3 l/hour

Note: the New Holland model 7840 is the same as the Ford 7840. The following data is from the 7840 listing.

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