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Years in Production / 1962–1967
International Harvester
606
Explore the specifications, hardware, and original references for the International Harvester 606.
55hp
Engine estimate · from PTO
2WD Only
Drive
1962–1967
Production years
International Harvester
Manufacturer
606 / 01
At a glance
Overview
1962 - 1967
Utility tractor
Production
Utility tractor
Original price was $4,900 in 1967
- Manufacturer
- International Harvester
- Total Built
- 7,348
Mechanical
Two-wheel drive
Independent mechanical disc brakes
Open operator station.
Hydraulics
- Valves
- 0 to 2
- Total Flow
- 12 gpm45.4 lpm
- Total Flow
- 17 gpmOptOptional64.3 lpm
Hitch
- Rear Type
- II/I
Pto
- Rear Pto
- independent
- Rear Type
- 540 (1.375)
- Engine Rpm
- 540@2000
Serial Numbers
FAQ: How to read a serial number table.
- 1962
- 501
- 1963
- 1702
- 1964
- 3214
- 1965
- 5041
- 1966
- 6960
- 1967
- 7922
Belt Pulley
- Diameter
- 11 inches27 cm
- Rpm
- 1062
- Speed
- 3057 ft/min931.77 meters/min
606 / 02
Under the hood
Engine Detail (Option 1)
International Harvester C-221
gasoline
6-cylinder
liquid-cooled
- Displacement
- 221 ci3.6 L
- Bore Stroke
- 3.5625x3.6875 inches90 x 94 mm
- Air Cleaner
- dry
- Rated Rpm
- 2000
- Starter Volts
- 12
- Coolant Capacity
- 20.5 qts19.4 L
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Detail (Option 2)
International Harvester D-236
diesel
6-cylinder
liquid-cooled
- Displacement
- 236 ci3.9 L
- Bore Stroke
- 3.6875x3.6875 inches94 x 94 mm
- Air Cleaner
- dry
- Rated Rpm
- 2000
- Coolant Capacity
- 23 qts21.8 L
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Detail (Option 3)
International Harvester C-221
LP gas
6-cylinder
liquid-cooled
- Displacement
- 221 ci3.6 L
- Bore Stroke
- 3.5625x3.6875 inches90 x 94 mm
- Air Cleaner
- dry
- Rated Rpm
- 2000
- Coolant Capacity
- 20.5 qts19.4 L
- Fuel Type
- LP gas
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
International Harvester 3.6L 6-cyl gasoline
International Harvester 3.9L 6-cyl diesel
International Harvester 3.6L 6-cyl LP gas
- Gas Fuel Tank
- 22.7 gal85.9 L
- Diesel Fuel Tank
- 22.7 gal85.9 L
- Lp Gas Fuel Tank
- 26.6 gal100.7 L
Engine Options
International Harvester 3.6L 6-cyl gasoline
International Harvester 3.9L 6-cyl diesel
International Harvester 3.6L 6-cyl LP gas
606 / 03
Gears & controls
Transmission (Option 1)
Five forward and one reverse gear plus Torque Amplifier (TA). The TA provides a powershift from direct drive (DD) to the lower TA speed. High-speed option provides 40% faster first gear.
- Transmission
- Torque Amplifier
- Gears
- 10 forward and 2 reverse
- Oil Capacity
- 52 qts49.2 L
- Speeds Description
- With 14.9-28 rear tires.
Transmission (Option 2)
Five gears with reverser. High speed option provides 40% faster first gear.
- Transmission
- Fast Reverser
- Gears
- 5 forward and reverse
- Oil Capacity
- 52 qts49.2 L
- Speeds Description
- With 14.9-28 rear tires.
Transmission Options
10-speed
5-speed
606 / 04
Size. Stance. Footprint.
Dimensions
- Height
- 62 in157 cm
- Wheelbase
- 78 in198 cm
- Front tread
- 54 in137 cm
- Rear tread
- 52 in132 cm
Dimensions And Tires
- Wheelbase
- 78 inches198 cm
- Weight
- 5215 to 5465 pounds
- Front Tire
- 6.00-16
- Rear Tire
- 14.9-28
Serial Number Location
Serial number plate on the clutch housing on the right side of tractor.
Tires And Tracks
- Front Ag
- 6.00-16
- Rear Ag
- 14.9-28
- Rear Ag
- 12.4-28
- Rear Ag
- 13.6-28
See it in action
Videos
Watch International Harvester 606 videos from their original YouTube creators.
606 / 06
Tests (NTTL)
Tractor Tests
NTTL 825: gasoline Torque Amplifier 2WD
NTTL 826: diesel Torque Amplifier 2WD
Nebraska Tractor Test 825
Gasoline Torque Amplifier 2WDSeptember 26 - October 9, 1962
PTO performance
Drawbar performance
Gear 3-Direct used for power test.
Gear 1-Direct used for pull test.
- Id
- 825
- Power At Rated Engine Speed
- 53.8 hp40.1 kW
- Fuel Use
- 4.4 gal/hour16.7 l/hour
- Max Power
- 45.68 hp34.1 kW
- Max Pull
- 6621 lbs3003 kg
Nebraska Tractor Test 826
Diesel Torque Amplifier 2WDSeptember 27 - October 9, 1962
PTO performance
Drawbar performance
Gear 3-Direct used for power test.
Gear 1-Direct used for pull test.
- Id
- 826
- Power At Rated Engine Speed
- 54.31 hp40.5 kW
- Fuel Use
- 3.7 gal/hour14.0 l/hour
- Max Power
- 46.71 hp34.8 kW
- Max Pull
- 6768 lbs3069 kg