Production
| Description | Row-Crop tractor / Built in Rock Island, Illinois, USA |
|---|---|
| Manufacturer | Farmall (a part of International Harvester) |
| Original price | $14,200 |
Engine
| Air cleaner | dual stage dry / dual stage dry |
|---|---|
| Bore/Stroke | 3.75x4.39 inches (95 x 112 mm) / 3.875x4.410 inches (98 x 112 mm) |
| Compression | 7.5:1 / 17:1 |
| Description | International Harvester / gasoline / 6-cylinder / liquid-cooled / International Harvester / diesel / 6-cylinder / liquid-cooled |
| Displacement | 291 ci (4.8 L) / 312 ci (5.1 L) |
| Power (gross) | 90 hp (67.1 kW) / 90 hp (67.1 kW) |
| Rated RPM | 2400 / 2400 |
| Starter volts | 12 / 12 |
| Engine type | International Harvester 4.8L 6-cyl gasoline / International Harvester 5.1L 6-cyl diesel |
| Engine type | International Harvester 4.8L 6-cyl gasoline / International Harvester 5.1L 6-cyl diesel |
| Fuel tank | 33 gal (gas) (124.9 L) |
| Drawbar (claimed) | 54 hp (40.3 kW) |
| Drawbar (tested) | 53.86 hp (40.2 kW) |
| Engine (gross) | 90 hp (67.1 kW) |
| PTO (claimed) | 69 hp (51.5 kW) |
| PTO (tested) | 69.61 hp (51.9 kW) |
Transmission
| Description | hydrostatic |
|---|---|
| Gears | infinite forward and reverse (2-range) |
| Type | hydrostatic |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Power steering / Differential dry disc brakes |
| Drive type | Two-wheel drive |
Hydraulics
| Pump flow | 12 gpm (45.4 lpm) |
|---|---|
| Type | open center |
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Charging system | alternator |
|---|
Dimensions & Tires
| Front tread | 58 to 82 inches (147 to 208 cm) |
|---|---|
| Height (steering wheel) | 77 inches (195 cm) |
| Length | 161 inches (408 cm) |
| Operating weight | 8200 lbs (3719 kg) |
| Rear tread | 60 to 98 inches (152 to 248 cm) |
| Wheelbase | 103 inches (261 cm) |
| Width | 87 inches (220 cm) |
| Front tire | 7.50-16 |
| Rear tire | 15.5-38 |
| Weight | 8200 lbs (3719 kg) |
| Wheelbase | 103 inches (261 cm) |
| Ag front | 7.50-16 |
| Ag rear | 15.5-38 |
Hydro 70 Serial Number Location
| Description | Tractor clutch housing on right side. |
|---|
Hydro 70 Serial Numbers
| 1973 | 7501 |
|---|---|
| 1974 | 7570 |
| 1975 | 8681 |
| 1976 | 10094 |
| Description | FAQ: How to read a serial number table. |
Nebraska Tractor Test 1154
| Description | Gasoline hydrostatic 2WDNovember 14 - December 3, 1973Link: Nebraska Tractor Test 1154 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 6.9 gal/hour (26.1 l/hour) / 5.8 gal/hour (22.0 l/hour) / 7.7 gal/hour (29.1 l/hour) |
| Max power | 53.86 hp (40.2 kW) |
| Max pull | 8,427 lbs (3822 kg) |
| Power at rated engine speed | 69.61 hp (51.9 kW) |
| Power at rated PTO speed | 64.10 hp (47.8 kW) |
Nebraska Tractor Test 1155
| Description | Diesel hydrostatic 2WDNovember 14 - December 3, 1973Link: Nebraska Tractor Test 1155 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 5.6 gal/hour (21.2 l/hour) / 5.3 gal/hour (20.1 l/hour) / 5.6 gal/hour (21.2 l/hour) |
| Max power | 53.10 hp (39.6 kW) |
| Max pull | 8,310 lbs (3769 kg) |
| Power at rated engine speed | 69.51 hp (51.8 kW) |
| Power at rated PTO speed | 65.41 hp (48.8 kW) |
Tractor Tests
| Description | NTTL 1154: gasoline hydrostatic 2WD / NTTL 1155: diesel hydrostatic 2WD |
|---|