| Manufacturer | J.I. 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 J.I. Case 1490 tractor features a turbocharged diesel engine with a displacement of 3.6L, producing 83hp at a rated RPM of 2200, ideal for medium-duty agricultural tasks. Its 16:1 compression ratio enhances fuel efficiency and power output, but may pose challenges in terms of required high-quality diesel fuel to prevent knocking. With an oil capacity of 7.8 quarts and coolant capacity of 15 quarts, routine maintenance is manageable, ensuring optimal engine performance in varying operational scenarios.
| 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 J.I. Case 1490 tractor features a reliable 3.6L 4-cylinder diesel engine, providing efficient torque and fuel economy for agricultural tasks. Its 36-gallon fuel tank capacity offers extended operational time between refuels, advantageous for large workloads. However, maintenance of the diesel system and ensuring fuel quality are crucial to prevent performance issues, especially in varying conditions.
| Description | J.I. Case 3.6L 4-cyl diesel |
| Fuel tank | 36gal / 136.3L |
TRANSMISSIONS OVERVIEW
The J.I. Case 1490 tractor features a 12-speed synchromesh transmission and a 12-speed partial power shift system, providing enhanced versatility and smooth shifting for various field applications. This configuration ensures efficient power delivery and maximizes productivity, particularly in tasks requiring frequent speed adjustments. However, potential challenges may include a steeper learning curve for operators and increased maintenance complexity due to the dual transmission system.
| Description | 12-speed synchromesh/12-speed partial power shift |
TRANSMISSION 1
The J.I. Case 1490 features a synchromesh transmission, providing smoother gear shifting and reducing the risk of gear clash during operation. With 12 forward and 4 reverse gears, it offers versatility for various field tasks, though the complexity of the gear system may challenge novice operators. The hydraulic dry disc clutch ensures reliable engagement and durability, but it may require more frequent maintenance compared to wet clutches in heavy-use scenarios.
| Type | synchromesh |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic dry disc |
TRANSMISSION 2
The J.I. Case 1490 tractor features a partial power shift transmission with 12 forward and 4 reverse gears, optimizing versatility for various agricultural tasks. Its hydraulic dry disc clutch provides smoother engagement and disengagement, reducing wear while enhancing operator comfort. However, the complexity of a partial power shift may present challenges in maintenance for operators unfamiliar with advanced transmission systems.
| 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 J.I. Case 1490 tractor offers a versatile 4x2 or 4x4 configuration, enhancing traction in various field conditions, though the 2WD option may limit performance in extremely muddy or uneven terrains. Its power steering improves maneuverability, making it suitable for tighter spaces while the hydraulic wet disc brakes ensure reliable stopping power, ideal for heavy-duty tasks. The 12-speed synchromesh and partial power shift transmissions facilitate efficient power delivery and speed control, catering to both transport and field operations, albeit requiring operator familiarity for optimal use.
| 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 J.I. Case 1490 tractor features agricultural tires with a front size of 11L-15 and rear size of 18.4-34, providing good traction for various field operations. The larger rear tires enhance load distribution and stability on soft soil, which is beneficial for plowing and tilling tasks. However, the tire sizes might limit compatibility with narrower implements, potentially impacting versatility in certain agricultural tasks.
| 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 J.I. Case 1490 tractor features an 88.5-inch wheelbase, providing stability and maneuverability, essential for field operations. With a weight range of 6490 to 7580 pounds, it offers substantial traction while working on various terrains, though heavier models may become less agile in tight spaces. The tire specifications, with 11L-15 fronts and 18.4-34 rears, enhance flotation and grip, making it suitable for plowing and heavy tillage tasks.
| 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 |