International Harvester 1566

International Harvester 1566The International Harvester 1566 is a 2WD row-crop tractor from the 66 series. This tractor was manufactured by International Harvester from 1974 to 1976. The IH 1566 is equipped with a 7.1 L (436.0 cu·in) six-cylinder diesel engine and sliding gear transmission with 12 forward and 6 reverse gears.

The International Harvester 1566 row-crop tractor used the International Harvester DT436 engine. It is a 7.1 L, 7,145 cm2, (436.0 cu·in) six-cylinder turbocharged diesel engine with 109.0 mm (4.29 in) of the cylinder bore and 127.0 mm (5.0 in) of the piston stroke. This engine produced 163.3 PS (120.1 kW; 161.0 HP) of PTO output power.

International Harvester 1566 Specifications

General Specifications
ModelInternational Harvester 1566
Wheel base2,660 mm (104.7 in)
Weight5,840 kg (12,875 lbs)
Fuel tank capacity159.0 liters (42 US gal.; 35 Imp. gal)
Cabin typeCab (standard)
Engine modelInternational Harvester DT436
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement7.1 L, 7,145 cm2, (436.0 cu·in)
Bore and stroke109.0 mm X 127.0 mm (4.29 in X 5 in)
Horsepower163.3 PS (120.1 kW; 161.0 HP)
Coolant capacity:24.6 L (26 US. qt, 21.6 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering type
Transmission model
Transmission typeSliding gear
Gears12 forward and 6 reverse
Front tiresAg: 11L-15
Rear tiresAg: 20.8-38
Three-Point Hitch
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeOpen center
Pump flow45.4 gpm (171.9 lpm)
ATTENTION! Dear visitors, this site is not a trading platform, an official dealer or a spare parts supplier, so we do not have any price lists, spare parts catalogs, service or owner manuals. We are an information portal and provide the technical specifications.

We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

1 Comment

  1. Nice tractor. I understand the Front End needs to be lubed on schedule. Question. Trying to figure out how to put the rear hydraulic ports on Float…. Do you know how to do this? Thank you.

Leave a Reply

Your email address will not be published.