| Manufacturer | Case |
| Price | 25,400(USD) |
| Model | 1490 |
| Equipment Type | Utility Tractors |
| Factory | Meltham Mills, Huddersfield, England |
NEBRASKA TRACTOR TEST 1381 2
| Description | Diesel 12-speed synchro 4WD March 17 - April 2, 1981 Link: Nebraska Tractor Test 1381 file PTO performance Drawbar performance Gear 3-2 used for power test Gear 2-1 used for pull test |
| Power at rated engine speed | 70.51hp / 52.6kW |
| Fuel use | 4.3gal/hour / 16.3l/hour |
| Power at rated PTO speed | 68.75hp / 51.3kW |
| Max power | 60.31hp / 45.0kW |
| Max pull | 9919lbs / 4499kg |
NEBRASKA TRACTOR TEST 1381 4
| Description | Diesel 12-speed power shift 2WD March 18 - April 2, 1981 Link: Nebraska Tractor Test 1381 file Drawbar performance Gear 2-3 used for power test. Gear 1-4 used for pull test |
| Max power | 60.12hp / 44.8kW |
| Fuel use | 4.6gal/hour / 17.4l/hour |
| Max pull | 8405lbs / 3812kg |
J.I. CASE 1490 POWER
| Engine | 83hp / 61.9kW |
| PTO (claimed) | 70hp / 52.2kW |
| Drawbar (tested) | 60.31hp / 45.0kW |
| PTO (tested) | 70.51hp / 52.6kW |
ENGINE DETAIL
The Case 1490 tractor features a 4-cylinder turbocharged diesel engine with a significant displacement of 3.6L, delivering a power output of 83hp at 2200 RPM, ideal for medium-duty agricultural tasks. Its dual dry element air cleaner enhances engine longevity, while a 16:1 compression ratio ensures efficient combustion, though it may necessitate high-quality fuel for optimal performance. With a moderate oil and coolant capacity, regular maintenance is crucial to prevent overheating and ensure reliable operation during extended use.
| Description | J.I. Case turbocharged diesel 4-cylinder liquid-cooled |
| Displacement | 219ci / 3.6L |
| Bore/Stroke | 3.939x4.500inches / 100x 114 mm |
| Power | 83hp / 61.9kW |
| Air cleaner | dual dry element |
| Compression | 16:1 |
| Rated RPM | 2200 |
| Firing order | 1-2-4-3 |
| Starter volts | 12 |
| Oil capacity | 7.8qts / 7.4L |
| Coolant capacity | 15qts / 14.2L |
J.I. CASE 1490 ENGINE
The Case 1490 tractor features a robust J.I. Case 3.6L 4-cylinder diesel engine, providing a reliable power source for various agricultural tasks. With a fuel tank capacity of 36 gallons (136.3 liters), it offers extended operational time between refueling, advantageous for large-scale farming operations. However, as with any diesel engine, potential challenges include higher maintenance costs and the need for regular oil changes to ensure optimal performance.
| Description | J.I. Case 3.6L 4-cyl diesel |
| Fuel tank | 36gal / 136.3L |
TRANSMISSIONS OVERVIEW
The Case 1490 tractor features a 12-speed synchromesh transmission, which enhances smooth gear shifts and provides efficient power transfer. Its 12-speed partial power shift capability allows the operator to change gears under load without clutching, improving productivity in demanding field applications. However, while this transmission system offers versatility, it may require more maintenance to ensure optimal performance due to its complexity compared to simpler transmission types.
| Description | 12-speed synchromesh 12-speed partial power shift |
TRANSMISSION 1
The Case 1490 tractor features a synchromesh transmission with 12 forward and 4 reverse gears, providing smooth shifting and versatility in various field applications. The hydraulic dry disc clutch offers reliability and reduces slippage, enhancing power transfer to the drivetrain, though it may require more maintenance compared to wet clutches. Ideal for tasks requiring frequent directional changes, this configuration supports both load handling and transport tasks efficiently.
| Type | synchromesh |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic dry disc |
TRANSMISSION 2
The Case 1490 tractor features a partial power shift transmission with 12 forward and 4 reverse gears, allowing for efficient speed and torque management suited for varied field conditions. The hydraulic dry disc clutch enhances engagement control, providing smoother transitions between gears but may require careful maintenance to avoid wear. This setup is advantageous for tasks requiring frequent speed adjustments, though operators should be mindful of potential clutch overheating during prolonged use.
| Type | partial power shift |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic dry disc |
| Description | Three gears, plus reverse, with a four-range power shift. |
MECHANICAL
The Case 1490 tractor features a robust 4x2 or optional 4WD configuration, providing versatility for various terrain conditions. Its hydraulic wet disc brakes offer superior stopping power and longevity, enhancing safety and maintenance efficiency. The 12-speed synchromesh or partial power shift transmission facilitates smooth gear shifts, ideal for tasks requiring precision control, such as tilling or transport operations.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | hydraulic wet disc |
| Cab | Two-post ROPS. Cab optional. |
| Transmissions | 12-speed synchromesh/12-speed partial power shift |
HYDRAULICS
| Type | open center |
| Pressure | 2000psi / 137.9bar |
| Valves | 1 |
| Total flow | 8.4gpm / 31.8lpm |
TRACTOR HITCH
| Rear Type | II |
| Rear lift | 4,400lbs / 1995kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000 |
J.I. CASE 1490 TIRES
The Case 1490 tractor features agricultural front tires sized 11L-15 and rear tires 18.4-34, providing a balance between traction and stability for fieldwork. The large rear tires enhance flotation on softer ground, which is advantageous for plowing and tillage operations, while the front tires ensure agile steering and maneuverability. However, farmers should consider potential challenges such as increased soil compaction with the larger footprint and the suitability of tire sizes for specific crop types or soil conditions.
| Ag front | 11L-15 |
| Ag rear | 18.4-34 |
DIMENSIONS
| Wheelbase | 88.5inches / 224cm |
| Length | 143inches / 363cm |
| Width | 76.5inches / 194cm |
| Height (cab) | 105inches / 266cm |
| Height (exhaust) | 94inches / 238cm |
| 2WD Ground clearance | 21inches / 53cm |
| 4WD Ground clearance | 13inches / 33cm |
| Rear tread | 62 to 88inches / 157to 223 cm *With power-adjust rear wheels. |
J.I. CASE 1490 WEIGHT
| 2WD ROPS Shipping | 6490lbs / 2943kg |
| 2WD Cab Shipping | 7580lbs / 3438kg |
| Max capacity | 11500lbs / 5216kg |
DIMENSIONS & TIRES
The Case 1490 tractor features a compact wheelbase of 88.5 inches, enhancing maneuverability in tight spaces, which is ideal for small to mid-sized farms. Its weight range of 6490 to 7580 pounds provides stability during heavy-duty operations, but may limit its transportability without adequate towing support. The front (11L-15) and rear (18.4-34) tire specifications offer good traction and flotation, fostering efficiency in various soil conditions, yet the setup may require careful consideration for optimal ballast configuration to prevent excessive soil compaction.
| Wheelbase | 88.5inches / 224cm |
| Weight | 6490 to 7580 pounds |
| Front tire | 11L-15 |
| Rear tire | 18.4-34 |
J.I. CASE 66L LOADER
| Height (to pin) | 126.8inches / 322cm |
| Dump reach | 43inches / 109cm |
| Dump angle | 45° |
| Rollback angle | 12° |
| Breakout force (at pin) | 4775lbs / 2165kg |
| Lift to full height (at pin) | 2100lbs / 952kg |
| Bucket width | 48inches / 121cm/60inches / 152cm/66inches / 167cm/72inches / 182cm/83inches / 210cm |
1490 SERIAL NUMBERS
| Location | Serial number stamped into the top of the tractor's frame on the right side, next to the engine. |
| 1980 | 11180101 |
| 1981 | 11182782 |
| 1982 | 11185693 |
| 1983 | 11188540 |
ELECTRICAL
| Ground | negative |
| Battery volts | 12 |