International Harvester 350

The International Harvester 350 is a tractor produced by International Harvester. It is equipped with a 175 ci 2.9 L engine. The rated power output is 45.24 hp 33.7 kW. Transmission: Torque Amplifier. Operating weight: 4,595 lbs (gas utility) 2084 kg.

Overview

	1956 - 1958 Utility tractor
1956 - 1958
Utility tractor

Production
Manufacturer	International Harvester
Utility tractor
Built in Rock Island, Illinois, USA
Original price was $3,100 in 1958

Variants
Farmall 350	row-crop tractor
IH 350 Utility	utility model
IH 350 High-Utility	high-clearance utility
IH 350 Wheatland	standard-tread full size tractor

International Harvester 350 Power
Gas Drawbar (claimed)	40.6 hp 30.3 kW
Diesel Drawbar (claimed)	41 hp 30.6 kW
LP-gas Drawbar (claimed)	42.9 hp 32.0 kW
Gas Belt (claimed)	44.9 hp 33.5 kW
Diesel Belt (claimed)	44.1 hp 32.9 kW
LP-gas Belt (claimed)	46.7 hp 34.8 kW
Drawbar (tested)	32.74 hp 24.4 kW
Belt (tested)	45.24 hp 33.7 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
Steering	power OptOptional
Disc brakes
Open operator station.

Capacity
Fuel	17 gal 64.3 L
	18 gal 68.1 L
	18.4 gal 69.6 L
Hydraulic system	3.4 gal 12.9 L

Hydraulics
Type	open center OptOptional
Capacity	3.4 gal 12.9 L
Valves	1 to 3

Tractor hitch
Type	IH Fast Hitch

Power Take-off (PTO)
Rear PTO	transmission
	independent OptOptional
Rear PTO Type	540

Dimensions & Tires
Wheelbase	75 inches (utility) 190 cm
	74 inches (wheatland) 187 cm
Weight	4595 to 4655 pounds
Front tire	5.50x16
Rear tire	10.00x28
Full dimensions and tires ...

References
Farm Loaders published in 1962, by International Harvester
330 and 350 Utility Tractors published in 1958, by International Harvester

Engine

Engine options
Continental 3.2L 4-cyl diesel
International Harvester 2.9L 4-cyl gasoline
International Harvester 2.9L 4-cyl LP gas

Engine Detail — 193 ci / 3.2 L Diesel

Manufacturer	Continental D193
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	193 ci 3.2 L
Bore/Stroke	3.75x4.375 inches 95 x 111 mm
Air cleaner	oil bath
Compression	16.87:1
Rated RPM	2000
Starter volts	12
Coolant capacity	16 qts 15.1 L

Engine Detail — 175 ci / 2.9 L Gasoline

Manufacturer	International Harvester C175
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled vertical I-head
Displacement	175 ci 2.9 L
Bore/Stroke	3.625x4.25 inches 92 x 108 mm
Compression	7.0:1
Rated RPM	2000
Starter volts	6
Coolant capacity	18 qts 17.0 L

International Harvester 350 Engine

Engine Detail — 175 ci / 2.9 L LP Gas

Manufacturer	International Harvester C175
Fuel Type	LP gas
Configuration	4-cylinder, liquid-cooled
Displacement	175 ci 2.9 L
Bore/Stroke	3.625x4.25 inches 92 x 108 mm
Compression	9.0:1
Rated RPM	2000
Starter volts	12
Coolant capacity	16 qts 15.1 L

Transmission

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

Transmission — 5 forward and 1 reverse sliding gear

Type	sliding gear
Gears	5 forward and 1 reverse
Clutch	dry disc

Transmission — Torque Amplifier

Transmission	Torque Amplifier
Type	two-speed power shift
Gears	10 forward and 2 reverse
Clutch	dry disc
The Torque Amplifier (TA) provides a clutchless shift-on-the-move between normal, direct drive (DD) and the TA. By engaging the TA, tractor ground speed is reduced and torque is increased.

Dimensions

International Harvester 350 Tires
Ag front	5.50x16 (utility)
	6.00x16 (wheatland)
Ag rear	10.00x28 (utility)
	11.00x38 (high-utility)
	13.00x28 (wheatland, utility-optional)

Dimensions
Wheelbase	75 inches (utility) 190 cm
	74 inches (wheatland) 187 cm
Length	119 inches 302 cm
Width	64 inches 162 cm
Weight	4,595 lbs (gas utility) 2084 kg
	4,655 lbs (diesel utility) 2111 kg
Ground clearance	20 inches (utility) 50 cm
	25 inches (high-utility) 63 cm

International Harvester 350 Height
	59 inches (utility) 149 cm
	64 inches (high-utility) 162 cm
	60 inches (wheatland) 152 cm

Tests

Tractor Tests
NTTL 610: diesel Torque Amplifier 2WD
NTTL 615: gasoline Torque Amplifier 2WD
NTTL 619: LP gas Torque Amplifier 2WD

Nebraska Tractor Test 610
Diesel Torque Amplifier 2WD March 26 - April 15, 1957 Link: Nebraska Tractor Test 610 file
Belt power (max)	42.89 hp 32.0 kW
Belt fuel use (max)	3.1 gal/hour 11.7 l/hour
Drawbar performance
Max power	31.15 hp 23.2 kW
Fuel use	2.5 gal/hour 9.5 l/hour
Gear 3 used for power test.
Max pull	5,862 lbs 2659 kg
Gear 1 used for pull test.

Nebraska Tractor Test 615
Gasoline Torque Amplifier 2WD April 24 - May 1, 1957 Link: Nebraska Tractor Test 615 file
Belt power (max)	43.32 hp 32.3 kW
Belt fuel use (max)	3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power	31.24 hp 23.3 kW
Fuel use	3.3 gal/hour 12.5 l/hour
Gear 3 used for power test.
Max pull	6,029 lbs 2734 kg
Gear 1-TA used for pull test.

Nebraska Tractor Test 619
LP gas Torque Amplifier 2WD May 7 - 28, 1957 Link: Nebraska Tractor Test 619 file
Belt power (max)	45.24 hp 33.7 kW
Belt fuel use (max)	5.0 gal/hour 18.9 l/hour
Drawbar performance
Max power	32.74 hp 24.4 kW
Fuel use	3.9 gal/hour 14.8 l/hour
Gear 3 used for power test.
Max pull	6,357 lbs 2883 kg
Gear 1-TA used for pull test.

Attachments

Attachment overview
Wagner 135 loader
Wagner 200 loader
International 33A loader
Backhoe

International 60 Backhoe
Backhoe type	International 60 Backhoe
Digging depth	120 inches 304 cm
Reach from pivot	150 inches 381 cm
Swing Arc	180°

International 90 Backhoe
Backhoe type	International 90 Backhoe
Digging depth	144 inches 365 cm
Reach from pivot	192 inches 487 cm
Swing Arc	160°

Photos

International 350 Utility

International 350 Hi-Utility

International 350 Wheatland

International 350 Utility with front-end loader.