New Holland

7840

Farm tractor · 1996–1998 · 100 hp

The New Holland 7840 is a farm tractor manufactured from 1996 to 1998. It features a Ford Genesis engine, and two-post foldable steering. The transmission is a constant mesh type with 8 forward and 2 reverse.

Engine

EngineFord Genesis
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Displacement401 ci (6.6 L)
Bore4.4 in (112 mm)
Stroke4.4 in (112 mm)
Compression Ratio17.5
Power PTO90.4 hp (67.4 kW)
Power Drawbar75.2 hp (56.1 kW)
Starter Volts12
Oil Capacity22.1 qts (20.9 L)
Coolant Capacity21.1 qts (20 L)
ManufacturerFord
Rated2,100 RPM
Idle725-2275 RPM
Firing Order1-5-3-6-2-4

Transmission

Transmission Typeconstant mesh
Transmission ModelEconoShift
Gears8 forward and 2 reverse
Transmission DescriptionThe eight-speed transmission was only used on the 7840S.
Clutchdry disc
Oil Capacity69.6 qts (65.9 L)
Available Options8-speed constant mesh, 16-speed two-speed power shift, 12-speed synchronized, 16-speed four-speed power shift

Hydraulics

Typeopen center (S/SL) / closed center load sensing (SLE)
Pump Flow20 gpm (75.7 lpm)
Valves4

Hitch

Rear TypeII
Rear Lift8,710 lbs (3,950 kg)
Hitch ControlPosition control and top-link draft sensing. Electronic lower-link sensing optional on 7840 SLE.

Dimensions

Length176 in (447 cm)
Width83 in (210 cm)
Height Cab110 in (279 cm)
Wheelbase103 in (261 cm)

Tires & Tracks

Front Ag10.00-16
Rear Ag18.4-34

Fuel

Capacity57.5 gal (217.6 L)

Steering

Typetwo-post foldable
Pressure2,100 psi (144.8 bar)

Cab

CabComfort Command Cab optional with air-conditioning (SL/SLE)