| Manufacturer |
J.I. Case |
| Price |
8,542(USD) |
| Model |
970 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Racine, Wisconsin, USA |
NEBRASKA TRACTOR TEST 1034 2
| Description |
Diesel 8-speed 2WD April 7 - 27, 1970 Link: Nebraska Tractor Test 1034 file PTO performance Drawbar performance Gear 4-Low used for power test. Gear 1-Low used for pull test |
| Power at rated engine speed |
85.70hp / 63.9kW |
| Fuel use |
5.4gal/hour / 20.4l/hour |
| Max power |
69.63hp / 51.9kW |
| Max pull |
10,604lbs / 4809kg |
NEBRASKA TRACTOR TEST 1037 2
| Description |
Diesel 12-speed 2WD April 15 - 28, 1970 Link: Nebraska Tractor Test 1037 file PTO performance Drawbar performance Gear 2-High used for power test. Gear 1-Int. used for pull test |
| Power at rated engine speed |
85.31hp / 63.6kW |
| Fuel use |
5.3gal/hour / 20.1l/hour |
| Max power |
71.56hp / 53.4kW |
| Max pull |
10,671lbs / 4840kg |
NEBRASKA TRACTOR TEST 1038 2
| Description |
Gasoline 12-speed 2WD April 17 - May 5, 1970 Link: Nebraska Tractor Test 1038 file PTO performance Drawbar performance Gear 2-High used for power test. Gear 1-Med used for pull test |
| Power at rated engine speed |
85.23hp / 63.6kW |
| Fuel use |
8.3gal/hour / 31.4l/hour |
| Max power |
74.6hp / 55.6kW |
| Max pull |
10567lbs / 4793kg |
NEBRASKA TRACTOR TEST 1039 2
| Description |
Gasoline 8-speed 2WD April 15 - May 5, 1970 Link: Nebraska Tractor Test 1039 file PTO performance Drawbar performance Gear 4-Low used for power test. Gear 2-Low used for pull test |
| Power at rated engine speed |
85.02hp / 63.4kW |
| Fuel use |
8.6gal/hour / 32.6l/hour |
| Max power |
77.20hp / 57.6kW |
| Max pull |
10540lbs / 4780kg |
NEBRASKA TRACTOR TEST 1068 2
| Description |
Diesel 12-speed 2WD 5/6/1971 Link: Nebraska Tractor Test 1068 file PTO performance Drawbar performance Gear 2-High used for power test |
| Power at rated engine speed |
93.41hp / 69.7kW |
| Fuel use |
6.2gal/hour / 23.5l/hour |
| Power at rated PTO speed |
93.47hp / 69.7kW |
| Max power |
79.85hp / 59.5kW |
NEBRASKA TRACTOR TEST 1078 2
| Description |
Diesel 8-speed 2WD September 9 - 21, 1971 Link: Nebraska Tractor Test 1078 file PTO performance Drawbar performance Gear 4-Low used for power test. Gear 2-Low used for pull test |
| Power at rated engine speed |
93.87hp / 70.0kW |
| Fuel use |
5.9gal/hour / 22.3l/hour |
| Power at rated PTO speed |
92.11hp / 68.7kW |
| Max power |
79.90hp / 59.6kW |
| Max pull |
10,644lbs / 4828kg |
J.I. CASE 970 POWER
| Drawbar (claimed) |
70hp / 52.2kW |
| PTO (claimed) |
86hp / 64.1kW |
| Drawbar (tested) |
79.90hp / 59.6kW |
| PTO (tested) |
93.87hp / 70.0kW |
ENGINES OVERVIEW
The J.I. Case 970 tractor features a robust 6.6L 6-cylinder diesel engine, known for its high torque and fuel efficiency, making it ideal for heavy-duty agricultural tasks. The alternative 6.2L 6-cylinder gasoline engine provides a lighter option but may result in lower torque output, affecting overall pulling power under load. A potential challenge involves choosing between fuel types based on availability and cost; diesel offers better efficiency while gasoline may require less initial investment.
| Description |
J.I. Case 6.6L 6-cyl diesel J.I. Case 6.2L 6-cyl gasoline |
ENGINE DETAIL 1
The J.I. Case 970 tractor features a robust 6-cylinder diesel engine with a displacement of 401 cubic inches (6.6L) and a high compression ratio of 16.5:1, allowing for efficient fuel combustion and power output. With a rated RPM of 1900-2000, it offers a balanced performance suitable for heavy-duty tasks, while its 12-volt starting system ensures reliable ignition in various conditions. The liquid-cooled system coupled with a 38-quart coolant capacity facilitates optimal temperature regulation, though maintenance of the cooling system is crucial to prevent overheating during extended operations.
| Description |
J.I. Case diesel 6-cylinder liquid-cooled |
| Displacement |
401ci / 6.6L |
| Bore/Stroke |
4.125x5.00inches / 105x 127 mm |
| Compression |
16.5:1 |
| Rated RPM |
1900 (early)/2000 (late) |
| Starter volts |
12 |
| Coolant capacity |
38qts / 36.0L |
ENGINE DETAIL 2
The J.I. Case 970 tractor features a robust 6-cylinder gasoline engine with a displacement of 377 ci (6.2L), providing ample power for various agricultural tasks. With a compression ratio of 7.5:1 and a rated RPM of 1900, it balances efficiency and torque, making it suitable for heavy-duty applications while requiring moderate maintenance. Additionally, the paper element air cleaner enhances engine longevity by improving filtration, but the lower compression ratio may limit performance compared to diesel counterparts in high-load scenarios.
| Description |
J.I. Case gasoline 6-cylinder liquid-cooled |
| Displacement |
377ci / 6.2L |
| Bore/Stroke |
4.00x5.00inches / 102x 127 mm |
| Air cleaner |
paper element |
| Compression |
7.5:1 |
| Rated RPM |
1900 |
| Starter volts |
12 |
J.I. CASE 970 ENGINES
The J.I. Case 970 tractor is equipped with a robust 6.6L 6-cylinder diesel engine, known for its fuel efficiency and high torque output, making it suitable for heavy-duty agricultural tasks. The alternative 6.2L 6-cylinder gasoline engine may provide quicker start-up times and lower emissions but could compromise fuel economy, especially under load. With a substantial 50-gallon fuel tank, the tractor offers extended operation periods, reducing downtime for refueling, which is advantageous for large farming operations.
| Description |
J.I. Case 6.6L 6-cyl diesel J.I. Case 6.2L 6-cyl gasoline |
| Fuel tank |
50gal / 189.3L |
TRANSMISSIONS OVERVIEW
The J.I. Case 970 tractor features a robust 8-speed unsynchronized gear transmission that facilitates manual shifting, enhancing operator control in varied field conditions. Its 12-speed partial power shift provides smoother transitions between gears under load, improving efficiency and reducing engine strain during heavy operations. However, operators may face challenges in mastering the unsynchronized shifts, particularly in high-torque scenarios, which can lead to wear if not executed skillfully.
| Description |
8-speed unsynchronized gear 12-speed partial power shift |
TRANSMISSION 1
The J.I. Case 970 tractor features an unsynchronized gear system with 8 forward and 2 reverse gears, which may result in a steeper learning curve for operators transitioning from synchronized models, particularly in applications requiring frequent gear shifts. The 355.6mm dry disc clutch provides robust engagement and can handle substantial torque loads, making it suitable for heavier tasks; however, it may require more frequent maintenance compared to wet clutches. Ideal for agricultural operations needing versatility and power, the unsynchronized system can hinder rapid gear changes during dynamic field conditions.
| Type |
unsynchronized gear |
| Gears |
8 forward and 2 reverse |
| Clutch |
355.6mm dry disc |
TRANSMISSION 2
The J.I. Case 970 features a partial power shift transmission that offers 12 forward and 4 reverse gears, enabling efficient power transfer and smooth operation in various agricultural tasks. The hydraulic wet disc clutch provides enhanced durability and reduced maintenance needs compared to traditional dry clutches. This tractor is ideal for demanding tasks that require frequent changes in speed and direction, though operators may need to adapt to the complexity of using the powershift system effectively.
| Transmission |
Range Power Shift |
| Type |
partial power shift |
| Gears |
12 forward and 4 reverse |
| Clutch |
hydraulic wet discs |
| Description |
Four gears each with reverse and a three-speed forward powershift. |
MECHANICAL
The J.I. Case 970 tractor features a 4x2 2WD chassis, which provides excellent maneuverability in fields but may limit traction on uneven terrain compared to 4WD models. The power steering enhances operator control, while the differential hydraulic dry disc brakes offer reliable stopping power, although maintenance may be required for optimal performance. With an 8-speed unsynchronized gear and 12-speed partial power shift transmission, this tractor is suited for various applications, balancing speed and power delivery; however, the unsynchronized transmission could require skilled operation during shifting.
| Chassis |
4x2 2WD |
| Steering |
power |
| Brakes |
differential hydraulic dry disc |
| Cab |
Cab optional |
| Transmissions |
8-speed unsynchronized gear/12-speed partial power shift |
HYDRAULICS
| Pump flow |
16gpm / 60.6lpm |
| Total flow |
24gpm / 90.8lpm |
| Steering flow |
8 gpm /30.3 lpm |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
1000 (1.375)/540/1000 (1.375) |
| Engine RPM |
540@1900 / 1000@1900 |
J.I. CASE 970 TIRES
The J.I. Case 970 tractor features a robust tire configuration with a 10.00-16 Ag front and an 18.4-38 Ag rear, optimizing traction and stability for various agricultural tasks. The larger rear tires enhance the tractor's ability to handle heavier loads and rough terrains, providing better flotation in soft soils. However, operators should be mindful of potential wheel slip, especially in muddy conditions, and may need to consider regional soil types when selecting tire pressure.
| Ag front |
10.00-16 |
| Ag rear |
18.4-38 |
DIMENSIONS
| Wide-front Wheelbase |
108inches / 274cm |
| Tricycle Wheelbase |
101inches / 256cm |
| Length |
162inches / 411cm |
| Height (hood) |
78inches / 198cm |
| Ground clearance |
15inches / 38cm |
J.I. CASE 970 WEIGHT
| Operating |
10050lbs / 4558kg (gas manual)/10335lbs / 4687kg (early Power-Shift diesel)/11190lbs / 5075kg (late Power-Shift diesel) |
DIMENSIONS & TIRES
The J.I. Case 970 features a wide-front wheelbase of 108 inches, which enhances stability during operation and minimizes the risk of tipping, particularly beneficial for heavy-duty tasks. Weighing between 10,050 to 11,190 pounds, it offers substantial traction in various soil conditions, though the higher weight could lead to soil compaction if not managed properly. With rear tires measuring 18.4-38, this tractor can effectively manage larger implements, but operators should consider proper ballast to optimize performance and reduce wear on tires.
| Wide-front Wheelbase |
108inches / 274cm |
| Tricycle Wheelbase |
101inches / 256cm |
| Weight |
10050 to 11190 pounds |
| Front tire |
10.00-16 |
| Rear tire |
18.4-38 |
970 SERIAL NUMBERS
| Location |
Plate on instrument panel |
| 1970 |
8650001 |
| 1971 |
8674001 |
| 1972 |
8691801 |
| 1973 |
8712001 |
| 1974 |
8736601 |
| 1975 |
8770001 |
| 1976 |
8797501 |
| 1977 |
8809950 |
| 1978 |
8830001 |
ELECTRICAL
| Ground |
negative |
| Batteries |
1 (gas)/2 (diesel) |
| Battery volts |
12 |
