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Years in Production / 1958–1963

Farmall

340

Explore the specifications, hardware, and original references for the Farmall 340.

Farmall 340 tractor MD1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

47hp

Source index power

2WD Only

Drive

1958–1963

Production years

Farmall

Manufacturer

340 / 01

At a glance

Production

Row-Crop tractor

Built in Rock Island, Illinois, USA

Manufacturer
Farmall (a part of International Harvester)

Mechanical

Two-wheel drive

Differential mechanical dry disc brakes

Open operator station.

Steering
manual

Hydraulics

Type
open center
Pressure
1500 psi103.4 bar
Pump Flow
9 gpm34.1 lpm
Pump Flow
12.5 gpm*Pump with independent PTO.47.3 lpm

Pto

Rear Pto
transmission
Rear Pto
independent OptOptional
Rear Type
540 (1.375)
Engine Rpm
540@1750

Serial Numbers

FAQ: How to read a serial number table.

1958
501
1959
2723
1960
5411
1961
6642
1962
7276
1963
7677
Final
?

Belt Pulley

Diameter
11 inches27 cm
Rpm
2000
Speed
3115 ft/min949.45 meters/min

340 / 02

Under the hood

Engine Detail (Option 1)

International Harvester C-135

gasoline

4-cylinder

liquid-cooled

Displacement
135 ci2.2 L
Bore Stroke
3.25x4.0625 inches83 x 103 mm
Power
47 hp35.0 kW
Air Cleaner
oil bath
Compression Ratio
7.6:1
Rated Rpm
2000
Torque
128 lb-ft173.6 Nm
Torque Rpm
1200
Starter Volts
6
Oil Capacity
5 qts4.7 L
Coolant Capacity
14 qts13.2 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

Engine Detail (Option 2)

International Harvester D-166

diesel

4-cylinder

liquid-cooled

The diesel engine was available as an option on the 340 starting in 1960.

Displacement
166 ci2.7 L
Bore Stroke
3.6875x3.875 inches94 x 98 mm
Power
47 hp35.0 kW
Air Cleaner
oil bath
Compression Ratio
19.2:1
Rated Rpm
2000
Torque
129 lb-ft174.9 Nm
Torque Rpm
1400
Starter Volts
12
Oil Capacity
7 qts6.6 L
Coolant Capacity
18.6 qts17.6 L
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled

Engine Options

International Harvester 2.2L 4-cyl gasoline

International Harvester 2.7L 4-cyl diesel

Fuel Tank
15 gal (gasoline)56.8 L
Fuel Tank
23 gal (LP-gas)87.1 L

340 / 03

Gears & controls

Transmission (Option 1)

Manufacturer
International Harvester
Transmission Type
sliding gear
Gears
5 forward and 1 reverse
Clutch
266.7mm dry disc
Oil Capacity
24 qts22.7 L

Transmission (Option 2)

Transmission
International Harvester Torque Amplifier
Transmission Type
two-speed power shift
Gears
10 forward and 2 reverse
Clutch
266.7mm dry disc
Oil Capacity
24 qts22.7 L

340 / 04

Size. Stance. Footprint.

Dimensions

Length
117 in297 cm
Width
63.5 in161 cm
Height
59 in149 cm
Wheelbase
79.6 in202 cm
Rear tread
48 in121 cm

Dimensions And Tires

Wheelbase
79.6 inches202 cm
Weight
4250 to 5195 pounds
Front Tire
5-15
Rear Tire
12.4-36

Tires And Tracks

Front Ag
5-15
Front Ag
4-15
Front Ag
4-19
Front Ag
6-12
Front Ag
6-16
Front Ag
6.50-16
Front Ag
7.50-10
Rear Ag
12.4-36
Rear Ag
11.2-36
Rear Ag
13.9-36

340 / 05

Tractor Photos

Farmall 340 tractor MD1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

See it in action

Videos

Watch Farmall 340 videos from their original YouTube creators.

Super Cool Farmall! A 1961 340 Diesel With The Plow!

Video by Classic Tractor Fever

Watch on YouTube ↗

340 / 07

Tests (NTTL)

Nebraska Tractor Test 665

Gasoline Torque Amplifier 2WDSeptember 3 - 25, 1958

Drawbar performance

Gear 3-DD used for power test.

Gear 1-DD used for pull test.

Id
665
Belt Power Max
34.74 hp25.9 kW
Belt Fuel Use Max
2.9 gal/hour11.0 l/hour
Max Power
31.76 hp23.7 kW
Max Pull
5,142 lbs2332 kg

Nebraska Tractor Test 775

Diesel Torque Amplifier 2WDOctober 26 - November 3, 1960

PTO performance

Drawbar performance

Gear 3-DD used for power test.

Gear 1-DD used for pull test.

Id
775
Power At Rated Engine Speed
38.93 hp29.0 kW
Fuel Use
2.8 gal/hour10.6 l/hour
Power At Rated Pto Speed
37.39 hp27.9 kW
Max Power
36.14 hp26.9 kW
Max Pull
5,559 lbs2521 kg

Farmall 340 · photo 1 / 1

Farmall 340 tractor MD1

Farmall 340 tractor MD1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗