New Holland 7840 Tractor (1998)

Manufacturer:New Holland

Price:35,650(USD)

Series:PowerStar 40 Series

Model:7840

Equipment Type: Row-Crop Tractors

Factory:Basildon, England

Full Specifications

VARIANTS

7840S: 8-speed economy
7840SL: 12-speed
7840SLE: 16-speed premium

NEBRASKA TRACTOR TEST 163

Description: Diesel 16-speed 4WD September 1992 - 1992, PTO performance Drawbar performance
Power at rated engine speed: 90.4hp / 67.4kW
Fuel use: 5.9gal/hour / 22.3l/hour
Max power: 75.2hp / 56.1kW

NEW HOLLAND 7840 POWER

PTO (claimed): 90hp / 67.1kW
Drawbar (tested): 75.2hp / 56.1kW
PTO (tested): 90.4hp / 67.4kW

ENGINE DETAIL

Description: Ford Genesis diesel 6-cylinder 12-valve liquid-cooled
Displacement: 401ci / 6.6L
Bore/Stroke: 4.40x4.40inches / 112x 112mm
Compression: 17.5:1
Rated RPM: 2100
Idle RPM: 725-2275
Firing order: 1-5-3-6-2-4
Starter volts: 12
Coolant capacity: 21.1qts / 20.0L 22.7qts / 21.5L (cab)
Intake valve clearance: 0.016inches / 0.406mm (cold)
Exhaust valve clearance: 0.019inches / 0.483mm (cold)

ENGINE OIL

Oil capacity: 22.1qts / 20.9L

NEW HOLLAND 7840 ENGINE

Description: Ford 6.6L 6-cyl diesel
Fuel tank: 57.5gal / 217.6L

TRANSMISSIONS OVERVIEW

Description: 8-speed constant mesh 16-speed two-speed power shift 12-speed synchronized 16-speed four-speed power shift

TRANSMISSION 1

Transmission: EconoShift
Type: constant mesh
Gears: 8 forward and 2 reverse
Clutch: dry disc
Oil capacity: 69.6qts / 65.9L
Description: 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

SPEEDS 1

Description: With 16.9-34 rear tires

TRANSMISSION 2

Transmission: Dual Power
Type: two-speed power shift
Gears: 16 forward and 4 reverse
Clutch: dry disc
Oil capacity: 69.6qts / 65.9L
Description: 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

SPEEDS 2

Description: With 16.9-34 rear tires

TRANSMISSION 3

Transmission: SynchroShift
Type: synchronized
Gears: 12 forward and reverse
Clutch: dry disc
Description: 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

SPEEDS 3

Description: With 16.9-38 rear tires

TRANSMISSION 4

Transmission: ElectroShift/Pulse Command
Type: four-speed power shift
Gears: 16 forward and reverse
Clutch: wet disc
Oil capacity: 64qts / 60.6L
Description: 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

SPEEDS 4

Description: With 16.9-38 rear tires

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)
Transmissions: 8-speed constant mesh 16-speed two-speed power shift 12-speed synchronized 16-speed four-speed power shift

HYDRAULICS

Type: open center (S/SL) closed center load sensing (SLE)
Valves: 1 to 4
Pump flow: 17.4gpm / 65.9lpm 20gpm / 75.7lpm (SLE)
Steering press.: 2100psi / 144.8bar

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: 6,210lbs / 2816kg (SL) 8,240lbs / 3737kg (SL optional) 6,564lbs / 2977kg (SLE) 8,710lbs / 3950kg (SLE optional)

POWER TAKE-OFF (PTO)

Rear PTO: independent
Rear RPM: 540/1000

NEW HOLLAND 7840 TIRES

Ag front: 10.00-16
Ag rear: 18.4-34

DIMENSIONS

2WD Wheelbase: 106inches / 269cm
4WD Wheelbase: 103inches / 261cm
Length: 176inches / 447cm
Width: 83inches / 210cm
2WD Clearance (front axle): 23inches / 58cm
4WD Clearance (front axle): 22inches / 55cm

NEW HOLLAND 7840 WEIGHT

2WD ROPS Shipping: 8,076lbs / 3663kg
4WD ROPS Shipping: 9,134lbs / 4143kg
2WD Cab Shipping: 9,215lbs / 4179kg
4WD Cab Shipping: 10,274lbs / 4660kg

NEW HOLLAND 7840 HEIGHT

Hood: 70inches / 177cm
Cab: 110inches / 279cm
Exhaust: 114inches / 289cm

DIMENSIONS & TIRES

2WD Wheelbase: 106inches / 269cm
4WD Wheelbase: 103inches / 261cm
Weight: 8076 to 10274 pounds
Front tire: 10.00-16
Rear tire: 18.4-34

FORD 7411 LOADER

Height (to pin): 134inches / 340cm
Clearance, dumped bucket: 99inches / 251cm
Dump reach: 48inches / 121cm
Breakout force (lift): 5265lbs / 2388kg
Lift to full height (at pin): 3050lbs / 1383kg

FORD 7413 LOADER

Height (to pin): 159inches / 403cm
Clearance, dumped bucket: 125inches / 317cm
Dump reach: 39inches / 99cm
Breakout force (lift): 6285lbs / 2850kg
Lift to full height (at pin): 3490lbs / 1583kg

7840 SERIAL NUMBERS

Location: Data plate inside hood
1991: BC68791
1992: BD02865
1993: BD35935
1994: BD65544
1995: BD98440
1996: 022132B

ELECTRICAL

Ground: negative
Charging system: alternator
Charging amps: 55 (ROPS)/100 (cab)
Batteries: 1 (ROPS)/2 (cab)
Battery CCA: 800
Battery volts: 12

About New Holland Tractor

The 7840 model tractor belongs to the PowerStar 40 Series of tractors from New Holland. The 7840 is a kind of Row-Crop Tractors and that is primarily used for Agriculture Tractors applications. The engine of the 7840 tractors is impressive. This arrangement maximizes real-world usage.