• Vehicle type: unspecified
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1958–1963
  • 7,210 built

WhichTractor size, not the maker’s category

We looked and the record does not say what this machine is. How we decide what a machine is

International Harvester Farmall 340 specs: hp, weight, years

INTERNATIONAL HARVESTER C-135 four-cylinder petrol. The manufacturer claimed 39.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

39.4 hp

29.4 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC Farmall 340”, 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
4,736 lb
Top speed
15.5 mph

International Harvester Farmall 340 specs: key facts

  • The International Harvester Farmall 340 was built from 1958 to 1963.

  • The International Harvester Farmall 340 has a claimed engine power (gross or net not stated) of 29.4 kW (39.4 hp); it has no measured PTO figure.

  • The International Harvester Farmall 340 is two-wheel drive (2WD).Source 1

  • The International Harvester Farmall 340 has a INTERNATIONAL HARVESTER C-135 engine, a 4-cylinder 2.21 L petrol unit.Source 3

  • The International Harvester Farmall 340 weighs 2,148 kg (4,736 lb) unladen.

  • The International Harvester Farmall 340 has a dependent rear PTO running at 540 rpm.Source 1

Source · Traktorenlexikon, “IHC Farmall 340”

Illustration of the 1958–1963 International Harvester Farmall 340, a 39 hp farm tractor, operator station not recorded — shown as an open platform, a drawing generated from its specification record
Illustration — not a photograph · operator station not recorded — shown as an open platform

How much horsepower does a Farmall 340 have?

The only figure for the Farmall 340 is 39.4 hp (29.4 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)
39.4 hp

Source · Traktorenlexikon, “IHC Farmall 340”

What engine is in a Farmall 340?

A Farmall 340 has an INTERNATIONAL HARVESTER C-135, a 4-cylinder 2.21 L petrol engine.

Engine — Farmall 340 engine specifications
Make & modelINTERNATIONAL HARVESTER C-135
Cylinders4, liquid-cooledSource 2
Displacement134.8 ci · 2.21 L
Max torque128 lb·ft · 174 N·m @ 1,200 rpmSource 1
Electrical system6 VSource 2

Source · Traktorenlexikon, “IHC International 330”

How much will a Farmall 340 lift?

Hydraulic and PTO specifications for the Farmall 340 are below.

Hydraulics & PTO — Farmall 340 hydraulics and PTO specifications
Rear PTODependent, transmission-driven, 540 rpm @ 1,776 engine rpmSource 1
PTO shaft1 1/8"- 6 splines

Source · Traktorenlexikon, “IHC Farmall 340”

What transmission does a Farmall 340 have?

Transmission specifications for the Farmall 340 are below.

Transmission — Farmall 340 transmission specifications
ClutchPedal operated dry Rockford single plate clutchSource 2Sources disagreePedal-operated dry Rockford single-plate clutch (Traktorenlexikon, “Farmall Farmall 340”)
SteeringMechanical gear steering
Top speed15.5 mph · 25 km/h

Source · Traktorenlexikon, “Farmall Farmall 340”

How much does a Farmall 340 weigh?

A Farmall 340 weighs 4,736 lb (2,148 kg) unladen.

Weights & dimensions — Farmall 340 weights and dimensions
Unladen weight4,736 lb · 2,148 kgSource 2
Wheelbase80.2 in · 2,037 mm
Length117.0 in · 2,972 mm
Width64.0 in · 1,626 mmSource 2
Height59.0 in · 1,499 mmSource 2
Ground clearance20.0 in · 508 mm
Front track7.7–13.6 in · 196–345 mm
Rear track48.0–92.0 in · 1,219–2,337 mmSource 2

Source · Traktorenlexikon, “Farmall Farmall 340”

What oil does a Farmall 340 take, and how much?

A Farmall 340 engine takes 5.0 qt (4.7 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

Farmall 340 fluid capacities, grades and service intervals
SystemCapacity
Engine oil5.0 qt · 4.7 LSource: Traktorenlexikon, “IHC Farmall 340” · single source, not independently verified
Transmission40.0 qt · 37.9 LSource: Traktorenlexikon, “IHC Farmall 340” · single source, not independently verified
Hydraulic13.5 qt · 12.8 LSource: Traktorenlexikon, “IHC Farmall 340” · single source, not independently verified
Cooling system15.0 qt · 14.2 LSource: Traktorenlexikon, “Farmall Farmall 340” · single source, not independently verified

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

Which tractors compare with a Farmall 340?

Within 10% of its 37.4 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.

Common questions about the International Harvester Farmall 340

Is a Farmall 340 two-wheel drive or four-wheel drive?

The International Harvester Farmall 340 is two-wheel drive (2WD).

What PTO does a Farmall 340 have?

A Farmall 340 has a dependent 540 rpm rear PTO on a 1 1/8"- 6 splines shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “IHC International 330”; Traktorenlexikon, “IHC Farmall 340”; and Traktorenlexikon, “Farmall Farmall 340”.

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: Farmall Farmall 340 — CC BY-SA 4.0, WIKIBOOKS-TL-118712 · revision 1054942. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC Farmall 340 — CC BY-SA 4.0, WIKIBOOKS-TL-118711 · revision 1055540. Wikibooks contributors (Traktorenlexikon). Original document
  3. Traktorenlexikon: IHC International 330 — CC BY-SA 4.0, WIKIBOOKS-TL-118426 · revision 1027452. Wikibooks contributors (Traktorenlexikon). Original document