J.I. Case 4890
The J.I. Case 4890 is a tractor produced by J I Case. It is equipped with a 674 ci 11.0 L engine. The listed engine power is Diesel (listed): 300 hp / 223.7 kW. Transmission: partial powershift. Drive type: 4x4 4WD. Operating weight: 25,750 lbs 11680 kg.
Engine Power
Diesel (listed): 300 hp / 223.7 kW
Drive & Traction
4x4 4WD
Fuel & Capacities
150 gal
567.8 L
Transmission
partial powershift
Operating Weight
25,750 lbs
11680 kg
Overview
 | 1979 - 1983
4WD 90 SeriesFour-wheel Drive (4WD) tractor
4WD 90 Series
Four-wheel Drive (4WD) tractor |
|---|
Production | |
|---|---|
Manufacturer | J.I. Case |
Four-wheel Drive (4WD) tractor | |
Built in Racine, Wisconsin, USA | |
Total built | 2,716 |
Original price was $100,000 in 1983 | |
J.I. Case 4890 Engine | |
|---|---|
Saab-Scania 11.0L 6-cyl diesel | |
Fuel tank | 150 gal
567.8 L |
Engine details ...  | |
J.I. Case 4890 Transmission | |
|---|---|
12-speed | |
Transmission details ...  |
J.I. Case 4890 Power | |
|---|---|
Engine | 300 hp
223.7 kW |
Drawbar (claimed) | 224 hp
167.0 kW |
PTO (claimed) | 253 hp
188.7 kW |
Drawbar (tested) | 218.68 hp
163.1 kW |
PTO (tested) | 253.41 hp
189.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x4 4WD |
Steering | hydraulic, front, rear or four-wheel crab steering |
Hydraulic dry disc brakes | |
Silent Guardian cab standard with air-conditioning. | |
Hydraulics | |
|---|---|
Type | closed center PFC |
Pressure | 2250 psi
155.1 bar |
Valves | 2 to 4 |
Pump flow | 24 gpm
90.8 lpm |
Total flow | 31 gpm
117.3 lpm |
Tractor hitch | |
|---|---|
Rear Type | III |
Rear lift (at 24"/610mm) | 12,750 lbs
5783 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 110 inches
279 cm |
Weight | 25,750 lbs
11680 kg |
Front tire | 18.4-34 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 72 |
Battery volts | 12 |
References | |
|---|---|
 | |
4890 Tractor published in 1979, by J.I. Case | |
The most advanced design 4-wheel drive tractors Case ever built published in 1979, by J.I. Case | |
The new look in farm power published in 1981, by J.I. Case | |
Power for all-season productivity published in 1982, by J.I. Case | |
The Tractor Specialist Buyers Guide published in 1983, by J.I. Case | |
The Tractor Specialist Buyers Guide published in 1984, by J.I. Case |
Engine
Engine Detail — 674 ci / 11.0 L Diesel
Manufacturer | Saab-Scania |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled |
Displacement | 674 ci
11.0 L |
Bore/Stroke | 5.00x5.71 inches
127 x 145 mm |
Power | 300 hp
223.7 kW |
Compression | 14.7:1 |
Rated RPM | 2200 |
Starter volts | 12 |
Oil capacity | 28.4 qts
26.9 L |
Coolant capacity | 44 qts
41.6 L |
Transmission
Transmission — partial powershift
Transmission | partial powershift |
Gears | 12 forward and 4 reverse |
Clutch | hydraulic dry disc |
Oil capacity | 52 qts
49.2 L |
Four ranges with three power shifts in each range. | |
With 23.1-30 tires. | |
 | |
Dimensions
J.I. Case 4890 Tires | |
|---|---|
Ag front | 18.4-34 |
Ag rear | 18.4-34 |
Ag front | 20.8-34 |
23.1-30 | |
24.5-32 | |
30.5-32 | |
Ag rear | 20.8-34 |
23.1-30 | |
24.5-32 | |
30.5-32 | |
Dimensions | |
|---|---|
Wheelbase | 110 inches
279 cm |
Length | 243 inches
617 cm |
Width | 99 inches
251 cm |
Operating weight | 25,750 lbs
11680 kg |
Ballasted weight | 28,460 lbs
12909 kg |
Ground clearance | 18 inches
45 cm |
Front tread | 74 to 94 inches
187 to 238 cm |
Rear tread | 74 to 94 inches
187 to 238 cm |
Tests
Nebraska Tractor Test 1330 | |
|---|---|
Diesel 12-speed 4WD
October 22 - 29, 1979
Link: Nebraska Tractor Test 1330 file | |
PTO performance | |
Power at rated engine speed | 253.41 hp
189.0 kW |
Fuel use | 15.5 gal/hour
58.7 l/hour |
Drawbar performance | |
Max power | 218.68 hp
163.1 kW |
Fuel use | 15.4 gal/hour
58.3 l/hour |
Gear 8 used for power test. | |
Max pull | 27,627 lbs
12531 kg |
Gear 1I used for pull test. | |
Recommended Implements & Sizing Guide
Engineering recommendations for J I Case J.I. Case 4890 based on its 300 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for J I Case J.I. Case 4890.
Estimated Continuous Field Runtime: 9.6 hrs
Approximately 9.6 hours of continuous field operation at ~75% rated power on a full tank (150 gal / 567.8 L).
Estimated 75% Load Fuel Burn~15.6 gal/hr (59.1 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
J I Case J.I. Case 4890 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for J I Case J.I. Case 4890.
Converted Equivalents:
Horsepower (HP)300 hp
Kilowatts (kW)223.7 kW
Metric Horsepower (PS / CV)304.2 PS
Direct Competitor Comparison
Compare J.I. Case 4890 against same-era industry alternatives in the same horsepower class.
Current Model
J I Case
J.I. Case 4890
Engine Power:Diesel (listed): 300 hp / 223.7 kW
★ Baseline Reference
Related models
J.I. Case 2670
- Power:
- 256
- Production years:
- 1974 - 1979
J.I. Case 4690
- Power:
- 261
- Production years:
- 1979 - 1983
J.I. Case 4694
- Power:
- 261
- Production years:
- 1984 - 1984
J.I. Case 2870
- Power:
- 300
- Production years:
- 1976 - 1979
J.I. Case 4894
- Power:
- 300
- Production years:
- 1983 - 1984