International Harvester Hydro 70
| | 1973 - 1976 |
| 66 Series | | Row-Crop tractor |
|
Series map:
Hydro 70
90.0hp
| Production |
| Manufacturer | International Harvester
|
| Row-Crop tractor |
| Built in Rock Island, Illinois, USA |
| Original price | $14,200
|
| International Harvester Hydro 70 Power |
| Engine (gross) | 90 hp
67.1 kW
|
| Drawbar (claimed) | 54 hp
40.3 kW
|
| PTO (claimed) | 69 hp
51.5 kW
|
| Drawbar (tested) | 53.86 hp
40.2 kW
|
| PTO (tested) | 69.61 hp
51.9 kW
|
 Performance test details ... |
| Mechanical |
| Two-wheel drive |
| Power steering |
| Differential dry disc brakes |
| Open operator station. |
| Photos |
| No photos of the International Harvester Hydro 70 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 |
| Gas Fuel | 33 gal
124.9 L
|
| Diesel Fuel | 31 gal
117.3 L
|
| Hydraulic system | 20 gal
75.7 L
|
| Hydraulics |
| Type | open center
|
| Capacity | 20 gal
75.7 L
|
| Rear valves | 2 OptOptional
|
| Pump flow | 6 gpm
22.7 lpm
|
| Tractor hitch |
| Rear Type | II
|
| Power Take-off (PTO) |
| Rear PTO | independent
|
| Rear PTO Type | 540 (1.375)
|
| Engine RPM | 540@1986
|
| Hydro 70 Serial Number Location |
 |
| Tractor clutch housing on right side. |
| Electrical |
| Charging system | alternator
|
| Charging amps | 37
|
| References |
 |
| Hydro Tractors published in 1975, by International Harvester |
| Farm Equipment Reference Catalog 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 29, 2026 |
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Consult official
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Engine details ...
Full dimensions and tires ...