New Holland

7840

Farm tractor · 1996–1998 · 100 hp

New Holland7840
EngineTransmissionHydraulicsHitchDimensionsTires & TracksFuelSteeringCabCompatible ImplementsMore New Holland

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)

Compatible Implements

ModelTypeWidthMin HP
Bush Hog BH114Rotary Cutters44"15 hp
Land Pride RCR1242Rotary Cutters42"18 hp
Bush Hog BH115Rotary Cutters56"20 hp
BEFCO BRC-142Rotary Cutters42"20 hp
BEFCO BRC-242Rotary Cutters42"20 hp
Land Pride RCR1548Rotary Cutters48"20 hp
Land Pride RCR1248Rotary Cutters48"20 hp
Land Pride RCF2072Rotary Cutters72"20 hp
Land Pride RCR1872Rotary Cutters72"20 hp
Land Pride RCR1860Rotary Cutters60"20 hp
Land Pride RCF2060Rotary Cutters60"20 hp
Land Pride RCR1260Rotary Cutters60"20 hp
Bush Hog BH116Rotary Cutters68"25 hp
Bush Hog BH210-3Rotary Cutters60"25 hp
Land Pride RCR1272Rotary Cutters72"25 hp
BEFCO BRC-248Rotary Cutters48"25 hp
BEFCO BRC-148Rotary Cutters48"25 hp
BEFCO BRC-160Rotary Cutters60"30 hp
Bush Hog BH210-3 variant 2Rotary Cutters72"30 hp
BEFCO BRC-260Rotary Cutters60"30 hp
BEFCO RMD-360Rotary Cutters60"35 hp
Land Pride RCF2760Rotary Cutters60"35 hp
Land Pride RCF2772Rotary Cutters72"35 hp
BEFCO BRC-172Rotary Cutters72"35 hp
Land Pride RCD1884Rotary Cutters84"35 hp
BEFCO BRC-272Rotary Cutters72"35 hp
Bush Hog BH310-2Rotary Cutters60"35 hp
BEFCO RMD-372Rotary Cutters72"40 hp
Land Pride RCF2696Rotary Cutters96"40 hp
Land Pride RCR1884Rotary Cutters84"45 hp
Land Pride RCF2084Rotary Cutters84"45 hp
Bush Hog BH310 variant 2Rotary Cutters72"45 hp
Bush Hog BH210-3 variant 3Rotary Cutters84"50 hp
BEFCO RHD-472Rotary Cutters72"50 hp
Bush Hog BH310 variant 3Rotary Cutters84"55 hp
Land Pride RCF3672Rotary Cutters72"60 hp
Bush Hog BH410 variant 1Rotary Cutters72"60 hp
Land Pride RCF2784 - 3PTRotary Cutters84"60 hp
BEFCO RHD-484Rotary Cutters84"60 hp
Bush Hog BH410 variant 2Rotary Cutters84"70 hp
Land Pride RCF3684 - 3PTRotary Cutters84"70 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride DB2660Rotary Cutters60"75 hp

Confirmed compatible on PTO HP and 3-point hitch category. Verify with your dealer before purchasing.