Farmall Hydro 70
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Note: the Farmall model Hydro 70 is the same as the International Harvester Hydro 70. The following data is from the Hydro 70 listing. |
| Production | |
| Manufacturer | Farmall (a part of International Harvester) |
| Row-Crop tractor | |
| Built in Rock Island, Illinois, USA | |
| Original price | $14,200 |
| Farmall Hydro 70 Engines | |
| International Harvester 4.8L 6-cyl gasoline | |
| International Harvester 5.1L 6-cyl diesel | |
 Engine details ... |
| Farmall 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 | |
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 Farmall Hydro 70 photos... | |
| 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 |
| Dimensions & Tires | |
| Wheelbase | 103 inches 261 cm |
| Weight | 7450 to 8200 pounds |
| Front tire | 7.50-16 |
| Rear tire | 15.5-38 |
 Full dimensions and tires ... | |
| Hydro 70 Serial Number Location | |
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| Tractor clutch housing on right side. |
| Hydro 70 Serial Numbers | |
| 1973 | 7501 |
| 1974 | 7570 |
| 1975 | 8681 |
| 1976 | 10094 |
FAQ: How to read a serial number table. | |
| Electrical | |
| Charging system | alternator |
| Charging amps | 37 |
| References | |
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| Hydro Tractors published in 1975, by International Harvester |
| Page information | |
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| 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 |