Overview
The J.I. Case 990 is a utility farm tractor produced between 1976 and 1980 in Meltham Mills, Huddersfield, England, featuring a David Brown 3.2L 4-cylinder diesel engine. This model was available in two-wheel and four-wheel drive configurations and came standard with a weather frame cab and a 12-speed partially synchronized transmission.
Ideal Applications
Tested Performance and Efficiency:
Nebraska Tractor Test 1144 recorded a maximum power of 45.68 hp at the drawbar and 53.77 hp at the PTO, with fuel consumption measured between 3.3 and 3.5 gallons per hour during various tests.
Mechanical and Transmission Configuration:
The powertrain consists of a 12-speed transmission with three gears in four ranges, utilizing synchronized shifting between specific gears and a 280mm dry disc clutch.
Physical Dimensions and Capacity:
Equipped with a Category II/I rear hitch rated for a 2000 lb lift, the tractor features an 82-inch wheelbase and a 17.9-gallon fuel tank, with a low-profile cab height of 92.5 inches.
Production
| Description | Utility tractor / Built in Meltham Mills, Huddersfield, England |
|---|---|
| Manufacturer | J.I. Case |
Engine
| Engine type | David Brown 3.2L 4-cyl diesel |
|---|---|
| Fuel tank | 17.9 gal (67.8 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.939x4.00 inches (100 x 102 mm) |
| Compression | 17:1 |
| Coolant capacity | 14.8 qts (14.0 L) |
| Description | David Brown / diesel / 4-cylinder / liquid-cooled |
| Displacement | 195 ci (3.2 L) |
| Oil capacity | 7.9 qts (7.5 L) |
| Operating RPM | 700-2200 |
| Power (net) | 58 hp (43.3 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (claimed) | 45.2 hp (33.7 kW) |
| Drawbar (tested) | 45.68 hp (34.1 kW) |
| Engine (net) | 58 hp (43.3 kW) |
| PTO (claimed) | 52.9 hp (39.4 kW) |
| PTO (tested) | 53.77 hp (40.1 kW) |
Transmission
| Clutch | 280mm dry disc |
|---|---|
| Description | Three gears, plus reverse, in four ranges. Synchronized up-shifting between gears 1-2-3 and synchronized down-shifting from 3-to-2. |
| Gears | 12 forward and 4 reverse |
| Oil capacity | 28.5 qts (27.0 L) |
| Transmission type | 12-speed partially synchronized |
| Type | partially synchronized |
Mechanical
| Description | Power steering / Hydraulic drum brakes / Weather frame cab standard. |
|---|---|
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pressure | 2000 psi (137.9 bar) |
|---|---|
| Total flow | 7.4 gpm (28.0 lpm) |
| Type | open center |
Hitch
| Rear lift | 2000 lbs (recommended) (907 kg) |
|---|---|
| Rear Type | II/I |
PTO
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Battery AH | 96 |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Dimensions & Tires
| 2WD Clearance (front axle) | 21 inches (53 cm) |
|---|---|
| 2WD Front tread | 52/56/60/64/68/72 inches (132/142/152/162/172/182 cm) |
| 2WD Weight | 5760 lbs (2612 kg) |
| 4WD Clearance (front axle) | 15 inches (38 cm) |
| 4WD Front tread | 60/64/68/72 inches (152/162/172/182 cm) |
| 4WD Weight | 6700 lbs (3039 kg) |
| Clearance (drawbar) | 16 inches (40 cm) |
| Length | 129 inches (327 cm) |
| Rear tread | 52/56/60/64/68/72/76 inches (132/142/152/162/172/182/193 cm) |
| Wheelbase | 82 inches (208 cm) |
| Width | 67 inches*Minimum width (170 cm) |
| Front tire | 6.00-19 |
| Rear tire | 12.4-36 (2WD) |
| Weight | 5760 to 6700 pounds |
| Wheelbase | 82 inches (208 cm) |
| Standard tires (ag) | Front: 6.00-19. Rear: 12.4-36 (2WD) |
990 Serial Numbers
| 1961 | 440001 |
|---|---|
| 1962 | 441323 |
| 1963 | 450376 |
| 1964 | 460376 |
| 1965 | 472273 |
| 1966 | 483768 |
| 1967 | 496283 |
| 1968 | 504690 |
| 1969 | 808150 |
| 1970 | 818301 |
| 1971 | 826009 |
| 1972 | 850600 |
| 1973 | 854403 |
| 1974 | 859367 |
| 1975 | 863900 |
| 1976 | 11070001 |
| 1977 | 11080236 |
| 1978 | 11089141 |
| 1979 | 11096828 |
| 1980 | 11104577 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number on the right side of the tractor frame. |
J.I. Case 990 Height
| Cab | 92.5 inches (Low-Profile) (234 cm) |
|---|
Nebraska Tractor Test 1144
| Description | Diesel 12-speed 2WDSeptember 17 - October 1, 1973Link: Nebraska Tractor Test 1144 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 3.5 gal/hour (13.2 l/hour) / 3.3 gal/hour (12.5 l/hour) / 3.4 gal/hour (12.9 l/hour) |
| Max power | 45.68 hp (34.1 kW) |
| Max pull | 7,335 lbs (3327 kg) |
| Power at rated engine speed | 53.77 hp (40.1 kW) |
| Power at rated PTO speed | 50.48 hp (37.6 kW) |
References
| Description | 1975 Spring Buyers Guide published by J.I. Case / Time-saving experts published in 1975, by J.I. Case / "Specializing" for Specialists published in 1978, by J.I. Case / Specialization... the payoff in farming published in 1980, by J.I. Case / The new look in farm power published in 1981, by J.I. Case |
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