Farmall 340

The Farmall 340 is a tractor produced by Farmall. It is equipped with a 166 ci 2.7 L engine. The listed engine power is Gasoline (listed): 47 hp / 35.0 kW; Diesel (listed): 47 hp / 35.0 kW. Transmission: International Harvester Torque Amplifier. Operating weight: 4250 to 5195 pounds.

Overview

	1958 - 1963 Row-Crop tractor

Production
Manufacturer	Farmall (a part of International Harvester)
Row-Crop tractor
Built in Rock Island, Illinois, USA

Variants
IH 340	utility
Farmall 340	row-crop
T-340	crawler
International 340	industrial

Farmall 340 Power
Engine	47 hp 35.0 kW
Drawbar (claimed)	31.5 hp 23.5 kW
Belt (claimed)	35 hp 26.1 kW
Drawbar (tested)	36.14 hp 26.9 kW
PTO (tested)	38.93 hp 29.0 kW
Belt (tested)	34.74 hp 25.9 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
Differential mechanical dry disc brakes
Open operator station.

Hydraulics
Type	open center
Pressure	1500 psi 103.4 bar
Pump flow	9 gpm 34.1 lpm
	12.5 gpm*Pump with independent PTO. 47.3 lpm

Power Take-off (PTO)
Rear PTO	transmission
	independent OptOptional
Rear PTO Type	540 (1.375)
Engine RPM	540@1750

Dimensions & Tires
Wheelbase	79.6 inches 202 cm
Weight	4250 to 5195 pounds
Front tire	5-15
Rear tire	12.4-36
Full dimensions and tires ...

Belt Pulley
Diameter	11 inches 27 cm
RPM	2000
Speed	3115 ft/min 949.45 meters/min

References
Farm Loaders published in 1962, by International Harvester
McCormick Farmall 340 Tractor published in 1958, by International Harvester
Direct-Start Diesel Tractors published in 1958, by International Harvester

Engine

Engine options
International Harvester 2.2L 4-cyl gasoline
International Harvester 2.7L 4-cyl diesel

Engine Detail — 135 ci / 2.2 L Gasoline

Manufacturer	International Harvester C-135
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	135 ci 2.2 L
Bore/Stroke	3.25x4.0625 inches 83 x 103 mm
Power	47 hp 35.0 kW
Air cleaner	oil bath
Compression	7.6:1
Rated RPM	2000
Torque	128 lb-ft 173.6 Nm
Torque RPM	1200
Starter volts	6
Oil capacity	5 qts 4.7 L
Coolant capacity	14 qts 13.2 L

Engine Detail — 166 ci / 2.7 L Diesel

Manufacturer	International Harvester D-166
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
The diesel engine was available as an option on the 340 starting in 1960.
Displacement	166 ci 2.7 L
Bore/Stroke	3.6875x3.875 inches 94 x 98 mm
Power	47 hp 35.0 kW
Air cleaner	oil bath
Compression	19.2:1
Rated RPM	2000
Torque	129 lb-ft 174.9 Nm
Torque RPM	1400
Starter volts	12
Oil capacity	7 qts 6.6 L
Coolant capacity	18.6 qts 17.6 L

Farmall 340 Engine

Transmission

Transmission options
5-speed sliding gear
10-speed two-speed power shift

Transmission — 5 forward and 1 reverse sliding gear

Manufacturer	International Harvester
Type	sliding gear
Gears	5 forward and 1 reverse
Clutch	266.7mm dry disc
Oil capacity	24 qts 22.7 L

Transmission — International Harvester Torque Amplifier

Transmission	International Harvester Torque Amplifier
Type	two-speed power shift
Gears	10 forward and 2 reverse
Clutch	266.7mm dry disc
Oil capacity	24 qts 22.7 L

Dimensions

Farmall 340 Tires
Ag front	5-15
Ag rear	12.4-36
Ag front	4-15
	4-19
	6-12
	6-16
	6.50-16
	7.50-10
Ag rear	11.2-36
	13.9-36

Dimensions
Wheelbase	79.6 inches 202 cm
Length	117 inches 297 cm
Width	63.5 inches 161 cm
Height	59 inches 149 cm
Rear tread	48 to 76 inches 121 to 193 cm (disc wheels)
Rear tread	48 to 105 inches 121 to 266 cm (cast wheels)
Rear tread	48 to 109 inches 121 to 276 cm (PAVT)
Rear tread	48 to 117 inches 121 to 297 cm (wide-axle)

Farmall 340 Weight
Shipping	4250 lbs 1927 kg
Gas Operating	4735 lbs 2147 kg
Diesel Operating	5195 lbs 2356 kg
Ballasted	7579 lbs 3437 kg

Tests

Tractor Tests
NTTL 665: gasoline Torque Amplifier 2WD
NTTL 775: diesel Torque Amplifier 2WD

Nebraska Tractor Test 665
Gasoline Torque Amplifier 2WD September 3 - 25, 1958 Link: Nebraska Tractor Test 665 file
Belt power (max)	34.74 hp 25.9 kW
Belt fuel use (max)	2.9 gal/hour 11.0 l/hour
Drawbar performance
Max power	31.76 hp 23.7 kW
Gear 3-DD used for power test.
Max pull	5,142 lbs 2332 kg
Gear 1-DD used for pull test.

Nebraska Tractor Test 775
Diesel Torque Amplifier 2WD October 26 - November 3, 1960 Link: Nebraska Tractor Test 775 file
PTO performance
Power at rated engine speed	38.93 hp 29.0 kW
Fuel use	2.8 gal/hour 10.6 l/hour
Power at rated PTO speed	37.39 hp 27.9 kW
Fuel use	2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power	36.14 hp 26.9 kW
Fuel use	2.8 gal/hour 10.6 l/hour
Gear 3-DD used for power test.
Max pull	5,559 lbs 2521 kg
Gear 1-DD used for pull test.

Attachments

Attachment overview
International Harvester 2001 loader

Photos

International Farmall 340 gasoline with tricycle front end.

International Farmall 340 diesel with tricycle front end.

International Farmall 340 gasoline with wide front end.

International Farmall 340 diesel with wide front end.