Farmall Hydro 100
| | 1973 - 1976 |
| 66 Series | | Row-Crop tractor |
|
Series map:
966
Hydro 100
1066
113.0hp
115.6hp*
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 Power |
| Drawbar (claimed) | 80 hp
59.7 kW
|
| PTO (claimed) | 104 hp
77.6 kW
|
| Drawbar (tested) | 78.31 hp
58.4 kW
|
| PTO (tested) | 104.17 hp
77.7 kW
|
 Performance test details ... |
| Mechanical |
| Two-wheel drive |
| Differential lock | mechanical rear OptOptional
|
| Power steering |
| Differential hydraulic dry disc brakes |
| Open operator station. Two-post ROPS and cab available. |
| Photos |
| No photos of the Farmall Hydro 100 are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. |
| Capacity |
| Fuel | 42 gal
159.0 L
|
| Hydraulic system | 27 gal
102.2 L
|
| Hydraulics |
| Type | open center
|
| Capacity | 27 gal
102.2 L
|
| Rear valves | 2 OptOptional
|
| 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)
|
| Engine RPM | 540@2100
|
| | 1000@2072
|
| Electrical |
| Charging system | alternator
|
| Charging amps | 72
|
| References |
 |
| Hydro Tractors published in 1975, by International Harvester |
| Page information |
 |
| Copyright 2026 TractorData.com® |
| Email me: Peter@TractorData.com |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. |
| Peter Easterlund - owner/author |
| This machine's data modified on May 27, 2026 |
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is accurate. However, differences between sources, incomplete listings,
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Consult official
literature from the manufacturer before attempting any service or repair.
Engine details ...
Full dimensions and tires ...