Tractor · 1974Unverified
International Harvester 1566
International Harvester 1566 — 66 Series · 161 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
161 hp
Max power
102.2 kW
Weight
13200 to 15195 pounds
Hover a source tag to verify
Overview
ManufacturerInternational HarvesterReference
Row-Crop tractorReference
Built in Rock Island, Illinois, USAReference
Total built7,417Reference
Original price was $26,250 in 1976Reference
Two-wheel driveReference
Final drivesplanetaryReference
Power steeringReference
Hydraulic wet disc brakesReference
Open operator station. Cab available with air-conditioning.Reference
Engine
International Harvester 7.1L 6-cyl dieselReference
Fuel tank159.0 LReference
Fuel tank310.4 LReference
Engine136.5 kWReference
Drawbar (tested)102.2 kWReference
International Harvester DT-436Reference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.1 LReference
Bore/Stroke109 x 127 mmReference
Power136.5 kWReference
Compression16:1Reference
Rated RPM2600Reference
Idle RPM900-2600Reference
Oil capacity18.9 LReference
Coolant capacity24.6 LReference
Power at rated engine speed120.1 kWReference
Max power102.2 kWReference
Transmission
12-speed two-speed power shiftReference
TransmissionTorque AmplifierReference
Typetwo-speed power shiftReference
Gears12 forward and 6 reverseReference
PTO & Hydraulics
PTO (claimed)119.3 kWReference
PTO (tested)120.1 kWReference
Typeopen centerReference
Rear valves2Reference
Front valves2Reference
Pump flow45.4 lpmReference
Rear TypeIII/IIReference
Controllower-link draft sensingReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Engine RPM1000@2300Reference
Power at rated PTO speed121.0 kWReference
Dimensions
Wheelbase266 cmReference
Weight13200 to 15195 poundsReference
Front tire11L-15Reference
Rear tire20.8-38Reference
Ag front11L-15Reference
Ag rear20.8-38Reference
Length426 cmReference
Width284 cmReference
Height (cab)297 cmReference
Height (exhaust)317 cmReference
Clearance (drawbar)43 cmReference
Bar rear axle101 mmReference
Front tread157 to 218 cmReference
Front tread142 to 203 cmReference
Rear tread167 to 304 cmReference
Shipping5987 kgReference
Operating6892 kgReference
Ballasted8282 kgReference
1566 Serial Numbers
Location:Serial number plate on the left side of the clutch housing.Reference
19747101Reference
19757837Reference
197612589Reference
FAQ: How to read a serial number table.Reference
Electrical
Charging systemalternatorReference
Test results
Diesel Torque Amplifier 2WDMay 3 - 15, 1975Link: Nebraska Tractor Test 1174 fileReference
PTO performanceReference
Fuel use42.0 l/hourReference
Fuel use37.9 l/hourReference
Drawbar performanceReference
Fuel use41.3 l/hourReference
Max pull7155 kgReference
Speeds
With 20.8-38 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.