WhichTractor
  • Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1991–1998

It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category

The source says so, in a sentence about this machine. How we decide what a machine is

Ford 7840 (A) specs: hp, weight, years

FORD-POWERSTAR GA 401 CID-NA six-cylinder diesel. The manufacturer claimed 98.6 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

98.6 hp

73.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Ford 7840”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight
9,348 lb
3-point lift
10,322 lb
Hyd. flow
9.6 gpm
Top speed
18.6–24.9 mph

Ford 7840 (A) specs: key facts

  • The Ford 7840 (A) was built from 1991 to 1998.

  • The Ford 7840 (A) has a claimed engine power (gross or net not stated) of 73.5 kW (98.6 hp); it has no measured PTO figure.

  • The Ford 7840 (A) was offered in two-wheel-drive and four-wheel-drive versions.

  • The Ford 7840 (A) has a FORD-POWERSTAR GA 401 CID-NA engine, a 6-cylinder 6.58 L diesel unit.

  • The Ford 7840 (A) weighs 4,240 kg (9,348 lb) unladen.

  • The Ford 7840 (A) has a rear PTO running at 540 rpm / 1000 rpm.

  • The three-point hitch of the Ford 7840 (A) lifts 4,682 kg (10,322 lb) at the lower-link ends.

  • The hydraulic pump of the Ford 7840 (A) delivers 36.4 L/min (9.6 gpm).

Source · Traktorenlexikon, “Ford 7840”

How does the 7840 (A) compare with its class?

  • Strength:

    A 227 L fuel tank is high for its class — 62% above the median of 140 L across the 307 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 327 comparable records. How we work this out

Illustration of the 1991–1998 Ford 7840 (A), a 99 hp farm tractor, four-wheel-drive version, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version

How much horsepower does a 7840 (A) have?

The only figure for the 7840 (A) is 98.6 hp (73.5 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
98.6 hp

Source · Traktorenlexikon, “Ford 7840”

What engine is in a 7840 (A)?

A 7840 (A) has a FORD-POWERSTAR GA 401 CID-NA, a 6-cylinder 6.58 L diesel engine.

Engine — 7840 (A) engine specifications
Make & modelFORD-POWERSTAR GA 401 CID-NA
Cylinders6, liquid-cooled
Displacement401.7 ci · 6.58 L
Max torque279 lb·ft · 378 N·m @ 1,197 rpm
InjectionDirect injection
Electrical system12 V

Source · Traktorenlexikon, “Ford 7840”

How much will a 7840 (A) lift, and what is its hydraulic flow?

A 7840 (A) lifts 10,322 lb (4,682 kg) at the lower-link ends of its Category 2 three-point hitch.

Hydraulics & PTO — 7840 (A) hydraulics and PTO specifications
SystemOpen centre
Pump flow9.6 gpm · 36.4 L/min
Pressure2,857 psi · 197 bar
Hitch categoryCategory 2
Lift at ends10,322 lb · 4,682 kg
Rear PTO540 rpm / 1000 rpm @ 1,890 engine rpm

Source · Traktorenlexikon, “Ford 7840”

What transmission does a 7840 (A) have?

Transmission specifications for the 7840 (A) are below.

Transmission — 7840 (A) transmission specifications
ClutchPedal-operated, self-adjusting dry AP single-disc clutch
BrakesPedal-operated wet GIRLING multi-disc brake acting on rear wheels
SteeringHydrostatic FORD-NEW HOLLAND steering with two double-acting steering cylinders
Top speed18.6–24.9 mph · 30–40 km/hthe article lists alternatives

Source · Traktorenlexikon, “Ford 7840”

How much does a 7840 (A) weigh?

A 7840 (A) weighs 9,348 lb (4,240 kg) unladen.

Weights & dimensions — 7840 (A) weights and dimensions
Unladen weight9,348 lb · 4,240 kgtwo-wheel-drive version
Wheelbase105.9 in · 2,690 mmtwo-wheel-drive version
Length171.7 in · 4,361 mm
Width82.5–101.6 in · 2,095–2,581 mm
Height109.3 in · 2,776 mm
Ground clearance18.0 in · 456 mmtwo-wheel-drive version
Rear track64.1–79.8 in · 1,628–2,028 mm

Source · Traktorenlexikon, “Ford 7840”

What oil does a 7840 (A) take, and how much?

A 7840 (A) engine takes 22.1 qt (20.9 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

7840 (A) fluid capacities, grades and service intervals
SystemCapacity
Engine oil22.1 qt · 20.9 LSource: Traktorenlexikon, “Ford 7840” · single source, not independently verified
Transmission64.0 qt · 60.6 LSource: Traktorenlexikon, “Ford 7840” · single source, not independently verified
Hydraulic35.8 qt · 33.9 LSource: Traktorenlexikon, “Ford 7840” · single source, not independently verified
Front axle6.6 qt · 6.2 LSource: Traktorenlexikon, “Ford 7840” · single source, not independently verified
Final drives3.2 qt · 3.0 LSource: Traktorenlexikon, “Ford 7840” · single source, not independently verified
Cooling system20.6 qt · 19.5 LSource: Traktorenlexikon, “Ford 7840” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a 7840 (A)?

Within 10% of its 98.6 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Ford 7840 (A)

Is a 7840 (A) two-wheel drive or four-wheel drive?

The Ford 7840 (A) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 7840 (A) have?

A 7840 (A) has a 540 rpm / 1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Ford 7840”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: Ford 7840 — CC BY-SA 4.0, WIKIBOOKS-TL-82821 · revision 1015832. Wikibooks contributors (Traktorenlexikon). Original document