International Harvester

International Harvester 350

The International Harvester 350 is a utility tractor produced from 1956 to 1958. It was built in Rock Island, Illinois, USA, and originally priced at $3,100 in 1958. The tractor was available in several variants including the Farmall 350 row-crop tractor, IH 350 Utility, IH 350 High-Utility, and IH 350 Wheatland standard-tread full size tractor. Engine options included a Continental 3.2L 4-cylinder diesel, International Harvester 2.9L 4-cylinder gasoline, and LP gas engines. Transmission options were a 5-speed sliding gear and a 10-speed two-speed power shift with a Torque Amplifier. The tractor featured two-wheel drive, manual or optional power steering, disc brakes, and an open operator station. Fuel capacity ranged from 17 to 18.4 gallons, with a 3.4 gallon hydraulic system. The tractor had an IH Fast Hitch and a rear PTO with optional independent operation. Dimensions varied by model with wheelbase around 74-75 inches, length 119 inches, width 64 inches, and weight between 4595 and 4655 pounds. Attachments included loaders and backhoes with detailed specifications for lifting capacity and digging reach.

Power51 hp[B]

Founded1956 - 1958

Model350

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Technical Specifications

Detailed specifications and technical data for International Harvester 350

Power

Belt (tested)	45.24 hp (33.7 kW)
Drawbar (tested)	32.74 hp (24.4 kW)
Gas Belt (claimed)	44.9 hp (33.5 kW)
Diesel Belt (claimed)	44.1 hp (32.9 kW)
Gas Drawbar (claimed)	40.6 hp (30.3 kW)
LP-gas Belt (claimed)	46.7 hp (34.8 kW)
Diesel Drawbar (claimed)	41 hp (30.6 kW)
LP-gas Drawbar (claimed)	42.9 hp (32.0 kW)

Engine

Options	Continental 3.2L 4-cyl diesel, International Harvester 2.9L 4-cyl gasoline, International Harvester 2.9L 4-cyl LP gas
Rated RPM	2000
Air cleaner	oil bath
Bore/Stroke	3.75x4.375 inches (95 x 111 mm)
Compression	16.87:1
Displacement	193 ci (3.2 L)
Starter volts	12
Continental D193	diesel, 4-cylinder, liquid-cooled
Coolant capacity	16 qts (15.1 L)
Rated RPM (gasoline)	2000
Bore/Stroke (gasoline)	3.625x4.25 inches (92 x 108 mm)
Compression (gasoline)	7.0:1
Displacement (gasoline)	175 ci (2.9 L)
International Harvester C175	gasoline, 4-cylinder, liquid-cooled vertical I-head

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)

Variants

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

Hydraulics

Type	open center (Optional)
Valves	1 to 3
Capacity	3.4 gal (12.9 L)

Mechanical

Drive	Two-wheel drive
Brakes	Disc brakes
Steering	manual, power (Optional)
Operator station	Open operator station

Production

Type	Utility tractor
Built in	Rock Island, Illinois, USA
Original price	$3,100 in 1958
Years produced	1956 - 1958

Attachments

Backhoe	Backhoe
Loaders	Wagner 135 loader, Wagner 200 loader, International 33A loader
Wagner 135 Loader	1300 lbs lift (full at pin) (589 kg), 2850 lbs breakout (1292 kg)
Wagner 200 Loader	1500 lbs lift (full at pin) (680 kg), 3000 lbs breakout (1360 kg)
International 33A Loader	1500 lbs lift (full at pin) (680 kg), 2600 lbs breakout (1179 kg), 96 inches clearance (dumped) (243 cm), Bucket width: 40 inches (101 cm)
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°

Transmission

Options	5-speed sliding gear, 10-speed two-speed power shift
Speeds note	With 10.00x28 utility. High-clearance is about 3% slower, wheatland is about 3% faster.
Sliding gear	Typesliding gear Gears5 forward and 1 reverse Clutchdry disc
Torque Amplifier	Typetwo-speed power shift Gears10 forward and 2 reverse Clutchdry disc DescriptionThe 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.

Tractor hitch

Type	IH Fast Hitch

Dimensions & Tires

Width	64 inches (162 cm)
Height	59 inches (utility) (149 cm), 64 inches (high-utility) (162 cm), 60 inches (wheatland) (152 cm)
Length	119 inches (302 cm)
Weight	4,595 lbs (gas utility) (2084 kg), 4,655 lbs (diesel utility) (2111 kg)
Rear tire	10.00x28 (utility), 11.00x38 (high-utility), 13.00x28 (wheatland, utility-optional)
Wheelbase	75 inches (utility) (190 cm), 74 inches (wheatland) (187 cm)
Front tire	5.50x16 (utility), 6.00x16 (wheatland)
Ground clearance	20 inches (utility) (50 cm), 25 inches (high-utility) (63 cm)