Case IH 4890 Tractor Parts
4890 parts and accessories
The Case IH 4890, manufactured from 1979 to 1983, was a powerful articulated 4WD tractor popular for its robust performance in demanding agricultural applications. Powered by a Cummins V-8 diesel engine producing around 300 horsepower, the 4890 delivered ample power for heavy tillage and large-scale farming operations. With a PTO horsepower rating of approximately 240 HP, it provided substantial power for implements requiring PTO drive.
The Case IH 4890 was introduced in 1979 as part of Case's lineup of high-horsepower, articulated four-wheel-drive tractors. Production continued through 1983. This model was powered by a Cummins VT-903 V8 diesel engine, delivering approximately 300 horsepower and a displacement of 903 cubic inches. The 4890 featured a 12-speed manual transmission, providing a wide range of gear ratios for various field conditions. The PTO delivered around 240 horsepower, available at 1000 RPM. The hydraulic system had a capacity of approximately 30 GPM, providing ample flow for implements, typically utilizing 4 remote valves. The 4890 featured a Category III 3-point hitch, with a lift capacity around 8,000 lbs. Commonly used for tillage, planting, and large-scale row crop operations, the 4890 was distinguished by its articulated design, providing excellent maneuverability compared to rigid-frame four-wheel-drive tractors of the era. It was popular among farmers needing a high-horsepower tractor capable of handling large implements and covering extensive acreage.
Specifications
| Engine | Cummins VT-903 300 HP Diesel |
|---|---|
| PTO HP | 240 HP @ 1000 RPM |
| Transmission | Manual 12-Speed |
| Hydraulics | 30 GPM, 4 remotes |
| 3-Point Hitch | Category III, 8000 lbs |
| Fuel Capacity | 150 gallons |
| Weight | 24,000 lbs |
| Years Produced | 1979-1983 |
Maintenance Tips
- Engine Oil and Filter: Change the engine oil and filter every 250 hours of operation. Use the recommended oil type and filter to ensure optimal engine performance and longevity.
- Hydraulic System: Regularly check the hydraulic fluid level and inspect for leaks. Replace the hydraulic filter every 500 hours to prevent contamination and maintain proper hydraulic function.
- Fuel System: Use clean, high-quality diesel fuel and replace the fuel filters according to the manufacturer's recommendations. This will help prevent fuel system problems and ensure efficient engine operation.
- Seasonal Storage: Before storing the tractor for an extended period, drain the fuel tank or add a fuel stabilizer to prevent fuel degradation. Disconnect the battery and store it in a cool, dry place. Grease all lubrication points to prevent rust and corrosion.
History & Background
The Case IH 4890 was introduced in 1979 as a response to the increasing demand for high-horsepower tractors capable of handling larger implements and more extensive acreage. It represented a significant step forward in four-wheel-drive tractor design, with its articulated chassis offering improved maneuverability. The 4890 helped solidify Case IH's position as a major player in the agricultural equipment market.
Frequently Asked Questions
What engine is in the Case Ih 4890?
The Case IH 4890 is equipped with a Cummins VT-903 V8 diesel engine, producing approximately 300 horsepower and a displacement of 903 cubic inches.
What is the PTO horsepower on a 4890?
The PTO horsepower on the Case IH 4890 is approximately 240 HP, available at 1000 RPM.
What oil filter fits the 4890?
The common oil filter for the Case IH 4890 is a Fleetguard LF3000 or equivalent. Cross-references include Wix 51794 and Fram PH3985.
What are common parts needed for the 4890?
Common wear parts for the Case IH 4890 include engine oil filters, fuel filters, hydraulic filters, belts, hydraulic seals, steering components (tie rod ends, ball joints), and clutch parts.

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