| Manufacturer |
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 Case 970 tractor features a robust 6.6L 6-cylinder diesel engine, offering superior torque and fuel efficiency, ideal for demanding agricultural applications. The alternative 6.2L 6-cylinder gasoline engine provides a smoother operation and may be preferable for lighter tasks or in regions with lower diesel availability. Challenges may arise with emissions regulations for the diesel variant, whereas gasoline engines might result in increased fuel costs and reduced torque output.
| Description |
J.I. Case 6.6L 6-cyl diesel J.I. Case 6.2L 6-cyl gasoline |
ENGINE DETAIL 1
The Case 970 tractor features a robust 6-cylinder diesel engine with a significant displacement of 6.6L, providing ample torque for heavy-duty tasks. Pros include its high compression ratio of 16.5:1, which enhances fuel efficiency and power delivery; however, the engine's rated RPMs of 1900 to 2000 may limit high-speed applications. Optimal for agricultural operations, the tractor's liquid cooling system with a 38-quart capacity ensures effective temperature regulation under strenuous conditions, but users should regularly monitor coolant levels to prevent overheating.
| 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 Case 970 tractor features a 6-cylinder gasoline engine with a displacement of 6.2L, delivering substantial torque for heavy-duty applications, but the 7.5:1 compression ratio may limit efficiency and power output compared to modern diesel engines. Its rated RPM of 1900 is optimal for field operations, allowing for steady performance but potentially restricting higher-speed applications. The paper element air cleaner ensures adequate filtration, which is crucial for engine longevity, though it may require regular maintenance to sustain airflow.
| 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 Case 970 tractor is powered by either a 6.6L diesel or a 6.2L gasoline engine, providing versatility depending on fuel availability and operational needs. The 50-gallon fuel tank ensures extended run time, making it suitable for larger tasks without frequent refueling. However, potential challenges include heavier weight and reduced maneuverability with the diesel option, impacting performance in tighter agricultural settings.
| 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 Case 970 tractor features an 8-speed unsynchronized transmission, which may lead to challenges in shifting without a clutch, but provides a simpler design with fewer components. The 12-speed partial power shift offers smoother shifting under load, enhancing operational efficiency while reducing operator fatigue. Optimal for tillage and heavy-duty tasks, the combination of these transmissions allows operators to select suitable speeds for varying field conditions, balancing power and speed effectively.
| Description |
8-speed unsynchronized gear/12-speed partial power shift |
TRANSMISSION 1
The Case 970 tractor features an unsynchronized transmission with 8 forward and 2 reverse gears, which may present challenges in quick gear shifting, especially under load. The 355.6 mm dry disc clutch provides reliable engagement but could cause increased wear during frequent operations, particularly in heavy-duty applications. For optimal performance, operators should be mindful of shift timing and load conditions to minimize stress on the clutch system.
| Type |
unsynchronized gear |
| Gears |
8 forward and 2 reverse |
| Clutch |
355.6mm dry disc |
TRANSMISSION 2
The Case 970 tractor features a partial power shift transmission with a total of 12 forward and 4 reverse gears, allowing for versatile speed selection during varied field operations. The hydraulic wet disc clutch provides smoother engagement and reduced maintenance compared to traditional clutches, enhancing operator comfort. However, the complexity of the power shift system may require more maintenance expertise and can lead to higher repair costs if malfunction occurs.
| 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 Case 970 tractor features a 4x2 2WD chassis, making it suitable for less demanding traction scenarios but limiting performance in uneven terrain or adverse conditions. Its power steering enhances maneuverability, while the differential hydraulic dry disc brakes provide effective stopping power, albeit with a potential delay compared to hydraulic systems. The 8-speed unsynchronized gear transmission allows for straightforward operation, although the 12-speed partial power shift option offers greater versatility, benefiting applications requiring varied speed control.
| 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 Case 970 tractor features front tires of size 10.00-16, offering maneuverability and a stable stance, while the larger rear tires of 18.4-38 ensure enhanced traction and load-bearing capacity, ideal for tillage and heavy-duty operations. This configuration can effectively distribute weight, reducing soil compaction, but may present challenges in tight spaces or on uneven terrain. For optimal performance, maintain proper tire pressure and consider soil conditions to maximize efficiency during agricultural tasks.
| 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 Case 970 tractor features a wide-front wheelbase of 108 inches which enhances stability during field operations, making it suitable for heavy load applications. Its weight range of 10,050 to 11,190 pounds ensures substantial traction, but may limit mobility in softer terrains. However, the combination of front tires (10.00-16) and rear tires (18.4-38) provides a balanced approach to forward power and maneuverability, ideal for both tillage and haulage tasks.
| 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 |
