Production
| Description | Built in Racine, Wisconsin, USA / Original price was $7,600 in 1973 |
|---|---|
| Manufacturer | J.I. Case |
| Total built | 1,690 |
Engine
| Air cleaner | paper element with pre-cleaner / paper element with precleaner |
|---|---|
| Bore/Stroke | 4.125x5.00 inches (105 x 127 mm) / 4.00x5.00 inches (102 x 127 mm) |
| Compression | 16.5:1 / 7.5:1 |
| Coolant capacity | 28 qts (26.5 L) |
| Description | J.I. Case / diesel / 4-cylinder / liquid-cooled / Engine RPMs increased from 1900 to 2000 starting at serial number 8675001, creating an increase of about 8 horsepower. / J.I. Case / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 267 ci (4.4 L) / 251 ci (4.1 L) |
| Rated RPM | 1900 (early) / 1900 |
| Starter volts | 12 / 12 |
| Engine type | J.I. Case 4.4L 4-cyl diesel / J.I. Case 4.1L 4-cyl gasoline |
| Engine type | J.I. Case 4.4L 4-cyl diesel / J.I. Case 4.1L 4-cyl gasoline |
| Fuel tank | 50 gal (189.2 L) |
| Drawbar (claimed) | 49 hp (36.5 kW) |
| Drawbar (tested) | 56.85 hp (42.4 kW) |
| PTO (claimed) | 56 hp (41.8 kW) |
| PTO (tested) | 64.56 hp (48.1 kW) |
Transmission
| Clutch | 304.8mm dry disc / hydraulic wet discs |
|---|---|
| Description | Four gears each with reverse and a three-speed forward powershift. |
| Gears | 8 forward and 2 reverse / 12 forward and 4 reverse |
| Transmission | Range Power Shift |
| Type | unsynchronized gear / partial power shift |
| Transmission type | 8-speed unsynchronized gear / 12-speed partial power shift |
| Transmission type | 8-speed unsynchronized gear / 12-speed partial power shift |
Mechanical
| Cab | Open operator station. Cab optional. |
|---|---|
| Description | Power steering / Differential hydraulic dry disc brakes |
| Drive type | Two-wheel drive |
Hydraulics
| Pump flow | 16 gpm (60.6 lpm) |
|---|---|
| Steering flow | 8 gpm (30.3 lpm) |
| Total flow | 24 gpm (90.8 lpm) |
| Type | open center |
Hitch
| Rear Type | II |
|---|
PTO
| Engine RPM | 540@1900 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Dimensions & Tires
| Ballasted weight | 10,950 lbs (4966 kg) |
|---|---|
| Front tread | 60 to 88 inches (152 to 223 cm) |
| Ground clearance | 15 inches (38 cm) |
| Height (hood) | 67 inches (170 cm) |
| Length | 153 inches (388 cm) |
| Operating weight | 9,220 lbs (4182 kg) |
| Rear tread | 60 to 88 inches (152 to 223 cm) |
| Tricycle Wheelbase | 94 inches (238 cm) |
| Wide-front Wheelbase | 101 inches (256 cm) |
| Front tire | 7.5L-15 |
| Rear tire | 16.9-34 |
| Tricycle Wheelbase | 94 inches (238 cm) |
| Weight | 9,220 lbs (4182 kg) |
| Wide-front Wheelbase | 101 inches (256 cm) |
| Ag front | 7.5L-15 |
| Ag rear | 16.9-34 |
770 Serial Numbers
| 1969 | 8356251 |
|---|---|
| 1970 | 8650001 |
| 1971 | 8674001 |
| 1972 | 8691801 |
| Description | FAQ: How to read a serial number table. |
Nebraska Tractor Test 1032
| Description | Gasoline 12-speed 2WDNovember 10 - 22, 1969Link: Nebraska Tractor Test 1032 file / PTO performance / Drawbar performance / Gear 2-High used for power test. / Gear 2-Low used for pull test. |
|---|---|
| Fuel use | 5.0 gal/hour (18.9 l/hour) / 5.2 gal/hour (19.7 l/hour) |
| Max power | 46.30 hp (34.5 kW) |
| Max pull | 7,103 lbs (3221 kg) |
| Power at rated engine speed | 53.53 hp (39.9 kW) |
Nebraska Tractor Test 1033
| Description | Diesel 8-speed 2WDNovember 11 - 22, 1969Link: Nebraska Tractor Test 1033 file / PTO performance / Drawbar performance / Gear 4-Low used for power test. / Gear 2-Low used for pull test. |
|---|---|
| Fuel use | 3.6 gal/hour (13.6 l/hour) / 3.7 gal/hour (14.0 l/hour) |
| Max power | 49.18 hp (36.7 kW) |
| Max pull | 7,623 lbs (3457 kg) |
| Power at rated engine speed | 56.36 hp (42.0 kW) |
Nebraska Tractor Test 1058
| Description | Diesel 12-speed 2WDOctober 28 - November 7, 1970Link: Nebraska Tractor Test 1058 file / PTO performance / Drawbar performance / Gear 2-High used for power test. / Gear 1-Med used for pull test. |
|---|---|
| Fuel use | 3.8 gal/hour (14.4 l/hour) / 3.7 gal/hour (14.0 l/hour) |
| Max power | 50.36 hp (37.6 kW) |
| Max pull | 7,627 lbs (3459 kg) |
| Power at rated engine speed | 56.77 hp (42.3 kW) |
Nebraska Tractor Test 1061
| Description | Gasoline 8-speed 2WDNovember 6 - 19, 1970Link: Nebraska Tractor Test 1061 file / PTO performance / Drawbar performance / Gear 4-Low used for power test. / Gear 2-Low used for pull test. |
|---|---|
| Fuel use | 5.0 gal/hour (18.9 l/hour) / 5.0 gal/hour (18.9 l/hour) |
| Max power | 49.14 hp (36.6 kW) |
| Max pull | 7,474 lbs (3390 kg) |
| Power at rated engine speed | 56.32 hp (42.0 kW) |
Nebraska Tractor Test 1088
| Description | Diesel 8-speed 2WDNovember 13 - 23, 1971Link: Nebraska Tractor Test 1088 file / PTO performance / Drawbar performance / Gear 4-Low used for power test. / Gear 1-Low used for pull test. |
|---|---|
| Fuel use | 4.3 gal/hour (16.3 l/hour) / 4.1 gal/hour (15.5 l/hour) / 4.3 gal/hour (16.3 l/hour) |
| Max power | 56.85 hp (42.4 kW) |
| Max pull | 8,853 lbs (4015 kg) |
| Power at rated engine speed | 63.90 hp (47.7 kW) |
| Power at rated PTO speed | 62.85 hp (46.9 kW) |
Nebraska Tractor Test 1089
| Description | Diesel 12-speed 2WDNovember 15 - 24, 1971Link: Nebraska Tractor Test 1089 file / PTO performance / Drawbar performance / Gear 3-Low used for power test. / Gear 1-Med used for pull test. |
|---|---|
| Fuel use | 4.4 gal/hour (16.7 l/hour) / 4.2 gal/hour (15.9 l/hour) / 4.4 gal/hour (16.7 l/hour) |
| Max power | 55.95 hp (41.7 kW) |
| Max pull | 8,927 lbs (4049 kg) |
| Power at rated engine speed | 64.56 hp (48.1 kW) |
| Power at rated PTO speed | 61.93 hp (46.2 kW) |
References
| Description | Jet-Age 770-890-970-1070 Tractors published in 1970, by J.I. Case / Agri King Tractor published in 1969, by J.I. Case / Buyers Guide for '70 published in 1970, by J.I. Case |
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Tractor Tests
| Description | NTTL 1032: gasoline 12-speed 2WD / NTTL 1033: diesel 8-speed 2WD / NTTL 1058: diesel 12-speed 2WD / NTTL 1061: gasoline 8-speed 2WD / NTTL 1088: diesel 8-speed 2WD / NTTL 1089: diesel 12-speed 2WD |
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