1568 by International Harvester

1974 - 1976

1974 - 1976 66 SeriesRow-Crop tractor

Series:

Series:1566 ← 1568

1974 - 1976

1974 - 1976
66 Series
Row-Crop tractor

Series:

Series:1468 ← 1566 → 1568
1586 ↓

Production

Production
Manufacturer:International Harvester
Type:Row-Crop tractor
Total built:7,417
Original price:$26,250 (1976)

International Harvester 1566 Power

International Harvester 1566 Power
Drawbar (claimed):140 hp
104.4 kW
PTO (claimed):161 hp
120.1 kW

International Harvester 1566 Engine

International Harvester 1566 Engine
International Harvester 7.1L 6-cyl diesel
Fuel tank:42 gal
159.0 L
Engine details ...

Mechanical

Mechanical
Chassis:4x2 2WD
Cab:standard
Transmission:12-speed
Transmission details ...

Hydraulics

Hydraulics
Type:open center
Valves:1
Pump flow:12 gpm
45.4 lpm

Tractor hitch

Tractor hitch
Rear Type:3/2

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:independent
Rear RPM:1000

Dimensions & Tires

Dimensions & Tires
Wheelbase:105 inches
266 cm
Weight:12,870 lbs
5837 kg
Front tire:11L-15
Rear tire:20.8-38
Full dimensions and tires ...

1566 Serial Numbers

1566 Serial Numbers
Location:Clutch housing on left side
1974:7101
1975:7837
1976:12589

how to read serial numbers...

Production

Production Manufacturer:International Harvester
Type:Row-Crop tractor
Total built:862
Original price:$26,980 (1976)
The 1568 was a 1566 with a International V8 truck engine.

International Harvester 1568 Power

International Harvester 1568 Power Drawbar (tested):130.17 hp
97.1 kW
PTO (tested):150.70 hp
112.4 kW
power test details ...

1974 - 1976

1974 - 1976
66 Series
Row-Crop tractor

Series:

Series:1566 ← 1568

Nebraska Tractor Test 1175

Nebraska Tractor Test 1175
Diesel 12-speed 2WD
May 3 - 15, 1975
Link: Nebraska Tractor Test 1175 file
PTO performance
Power at rated engine speed:150.70 hp
112.4 kW
Fuel use:10.1 gal/hour
38.2 l/hour
Power at rated PTO speed:147.79 hp
110.2 kW
Fuel use:9.9 gal/hour
37.5 l/hour
Drawbar performance
Max power:130.17 hp
97.1 kW
Fuel use:13.0 gal/hour
49.2 l/hour
Gear 1-Hi-TA used for power test.

International Harvester 1568 Engine

International Harvester 1568 Engine International 9.0L 8-cyl diesel Fuel tank:42 gal
159.0 L
Engine details ...

1974 - 1976

1974 - 1976
66 Series
Row-Crop tractor

Series:

Series:1566 ← 1568

Engine Detail

Engine Detail
International DV-550
diesel
8-cylinder
liquid-cooled V-8
Displacement:548.7 ci
9.0 L
Bore/Stroke:4.312x4.50 inches
110 x 114 mm
Air cleaner:two-stage dry with unloader
Compression:16.6:1
Rated RPM:2600
Starter volts:12
Coolant capacity:30 qts
28.4 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:hydrostatic power
Brakes:hydraulic wet disc
Cab:Cab standard
Transmission:12-speed partial power shift
Transmission details ...

1974 - 1976

1974 - 1976
66 Series
Row-Crop tractor

Series:

Series:1566 ← 1568

Transmission

Transmission
Type:partial power shift
Gears:12 forward and 6 reverse

Hydraulics

Hydraulics Type:open center
Valves:1
Pump flow:12 gpm
45.4 lpm

Tractor hitch

Tractor hitch Rear Type:3/2

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000

Dimensions & Tires

Dimensions & Tires Wheelbase:105 inches
266 cm
Weight:12,960 lbs
5878 kg
Front tire:11L-15
Rear tire:20.8-38
Full dimensions and tires ...

1974 - 1976

1974 - 1976
66 Series
Row-Crop tractor

Series:

Series:1566 ← 1568

International Harvester 1568 Tires

International Harvester 1568 Tires
Ag front:11L-15
Ag rear:20.8-38

Dimensions

Dimensions
Wheelbase:105 inches
266 cm
Weight:12,960 lbs
5878 kg

1568 Serial Numbers

1568 Serial Numbers 1974:7201
1975:7821

how to read serial numbers...

Links

Links IH V-8 Tractor Engines: article on the V8s from TractorShop.com

1568 relate tractors