International Harvester Hydro 100
The International Harvester Hydro 100 is a tractor produced by International Harvester. It is equipped with a 436 ci 7.1 L engine. The rated power output is 104.17 hp 77.7 kW. Transmission: infinite forward and reverse (2-range). Operating weight: 12,130 lbs 5502 kg.
Engine Power
104.17 hp
77.7 kW
Fuel & Capacities
Diesel
Transmission
infinite forward and reverse (2-range)
Operating Weight
12,130 lbs
5502 kg
International Harvester Hydro 100 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1973 - 1976
66 SeriesRow-Crop tractor |
|---|---|
1973 - 1976 | |
66 Series | |
Row-Crop tractor | |
Production | |
|---|---|
Manufacturer | International Harvester |
Row-Crop tractor | |
Built in Rock Island, Illinois, USA | |
Original price was $21,700 in 1976 | |
International Harvester Hydro 100 Engine | |
|---|---|
International Harvester 7.1L 6-cyl diesel | |
Engine details ...  |
International Harvester Hydro 100 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
International Harvester Hydro 100 Power | |
|---|---|
Drawbar (claimed) | 80 hp
59.7 kW |
PTO (claimed) | 104.17 hp
77.7 kW |
Drawbar (tested) | 78.31 hp
58.4 kW |
PTO (tested) | 104.17 hp
77.7 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Differential hydraulic dry disc brakes | |
Open operator station. Two-post ROPS and cab available. |
Hydraulics | |
|---|---|
Type | open center |
Pump flow | 12 gpm
45.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | lower-link draft sensing |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 104.8 inches
266 cm |
Weight | 12,130 lbs
5502 kg |
Front tire | 10.00-16 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 436 ci / 7.1 L Diesel
Manufacturer | International Harvester |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 436 ci
7.1 L |
Bore/Stroke | 4.30x5.00 inches
109 x 127 mm |
Air cleaner | dual stage dry |
Compression | 15.8:1 |
Rated RPM | 2400 |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse (2-range) hydrostatic
Manufacturer | International Harvester |
Type | hydrostatic |
Gears | infinite forward and reverse (2-range) |
 | |
Dimensions
International Harvester Hydro 100 Tires | |
|---|---|
Ag front | 10.00-16 |
Ag rear | 18.4-34 |
Dimensions | |
|---|---|
Wheelbase | 104.8 inches
266 cm |
Operating weight | 12,130 lbs
5502 kg |
Tests
Nebraska Tractor Test 1158 | |
|---|---|
Diesel hydrostatic 2WD
May 7 - 18, 1974
Link: Nebraska Tractor Test 1158 file | |
PTO performance | |
Power at rated engine speed | 104.17 hp
77.7 kW |
Fuel use | 7.6 gal/hour
28.8 l/hour |
Power at rated PTO speed | 101.30 hp
75.5 kW |
Fuel use | 6.8 gal/hour
25.7 l/hour |
Drawbar performance | |
Max power | 78.31 hp
58.4 kW |
Fuel use | 7.6 gal/hour
28.8 l/hour |
Gear 5.5 MPH used for power test. | |
Max pull | 9,801 lbs
4445 kg |
Gear 2.85 MPH used for pull test. | |
Photos
International Harvester Hydro 100
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