Farmall Hydro 100

The Farmall Hydro 100 is a tractor produced by Farmall. 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.

Overview

	66 SeriesRow-Crop tractor
66 Series
Row-Crop tractor

Series map: 966Hydro 100106691.0hp115.7hp*140.0hp**Estimated engine power for comparison only.

Note: the Farmall model Hydro 100 is the same as the International Harvester Hydro 100. The following data is from the Hydro 100 listing.

Production
Manufacturer	Farmall (a part of International Harvester)
Row-Crop tractor
Built in Rock Island, Illinois, USA
Original price was $21,700 in 1976

Farmall Hydro 100 Engine
International Harvester 7.1L 6-cyl diesel
Engine details ...

Farmall Hydro 100 Transmission
hydrostatic
Transmission details ...

Farmall 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

Series map: 966Hydro 100106691.0hp115.7hp*140.0hp**Estimated engine power for comparison only.

Note: the Farmall model Hydro 100 is the same as the International Harvester Hydro 100. The following data is from the Hydro 100 listing.

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

Series map: 966Hydro 100106691.0hp115.7hp*140.0hp**Estimated engine power for comparison only.

Note: the Farmall model Hydro 100 is the same as the International Harvester Hydro 100. The following data is from the Hydro 100 listing.

Transmission — infinite forward and reverse (2-range) hydrostatic

Manufacturer	International Harvester
Type	hydrostatic
Gears	infinite forward and reverse (2-range)

Dimensions

Series map: 966Hydro 100106691.0hp115.7hp*140.0hp**Estimated engine power for comparison only.

Note: the Farmall model Hydro 100 is the same as the International Harvester Hydro 100. The following data is from the Hydro 100 listing.

Farmall 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

Series map: 966Hydro 100106691.0hp115.7hp*140.0hp**Estimated engine power for comparison only.

Note: the Farmall model Hydro 100 is the same as the International Harvester Hydro 100. The following data is from the Hydro 100 listing.

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

Farmall Hydro 100 tractor photo