Case IH 5120 Tractor Parts
5120 parts and accessories
The Case IH 5120 tractor, manufactured from 1990 to 1996, was a popular choice for farmers seeking a versatile and reliable machine. Powered by a 77 horsepower diesel engine, the 5120 offered a robust 67 PTO horsepower, making it well-suited for a variety of agricultural tasks. Its user-friendly design and dependable performance cemented its place as a valuable asset on many farms.
The Case IH 5120 was part of the Maxxum series, produced from 1990 to 1996, designed to offer a blend of power and maneuverability for diverse farming operations. It features a Case IH 4-cylinder diesel engine, delivering approximately 77 horsepower with a displacement of around 239 cubic inches. This engine provided ample power for tasks ranging from haying to light tillage. The transmission was typically a partial powershift, offering multiple forward and reverse speeds for enhanced control. The PTO delivers 67 horsepower, and came in both 540 and 1000 RPM options, allowing for compatibility with a wide array of implements. Hydraulic capacity sits around 17.2 GPM, powering two or three remote valves for hydraulic implements. The 3-point hitch is a Category II, capable of lifting around 4,850 lbs. The 5120 found applications in row crop farming, hay production, livestock operations, and general tillage. It distinguished itself from smaller models in the lineup with its higher horsepower and lifting capacity, while remaining more compact and agile than the larger Magnum series tractors.
Specifications
| Engine | Case IH 77 HP Diesel |
|---|---|
| PTO HP | 67 HP @ 540/1000 RPM |
| Transmission | Partial Powershift, 16 Forward / 8 Reverse |
| Hydraulics | 17.2 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 4,850 lbs |
| Fuel Capacity | 33 gallons |
| Weight | 8,200 lbs |
| Years Produced | 1990-1996 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250 hours using the recommended oil type and a genuine Case IH or equivalent quality filter to maintain optimal engine performance and longevity.
- Hydraulic System Maintenance: Inspect hydraulic fluid levels regularly and change the hydraulic filters every 500 hours. Use only recommended hydraulic fluid and check for leaks in hoses and fittings to prevent contamination and maintain hydraulic system efficiency.
- Fuel System Care: Use clean, high-quality diesel fuel and replace the fuel filter every 250 hours. Drain any water from the fuel separator regularly to prevent fuel system issues. Consider adding a fuel stabilizer during seasonal storage.
History & Background
The Case IH 5120 was introduced in 1990 as part of the Maxxum series, representing a modern design and improved performance over previous models. It didn't undergo major redesigns during its production run, maintaining a consistent feature set and solidifying its reputation as a dependable mid-size tractor. The 5120 contributed to Case IH's success in the mid-horsepower tractor market.
Frequently Asked Questions
What engine is in the Case Ih 5120?
The Case IH 5120 is equipped with a Case IH 4-cylinder diesel engine producing approximately 77 horsepower with a displacement of around 239 cubic inches.
What is the PTO horsepower on a 5120?
The Case IH 5120 has a PTO horsepower rating of 67 HP and offers both 540 and 1000 RPM options to accommodate various implements.
What oil filter fits the 5120?
The Case IH 5120 typically uses a Case IH oil filter part number SE501183 or a comparable cross-reference such as a Baldwin B1421, Fram PH3593A, or Wix 51794. Always verify compatibility with your specific tractor's manual.
What are common parts needed for the 5120?
Common wear parts for the Case IH 5120 include engine oil filters, fuel filters, hydraulic filters, belts (fan, alternator), hydraulic cylinder seals, tie rod ends/steering components, clutch discs, and PTO shaft bearings.

3916131 - Gear Housing Gasket
SKU: 3916131
Out of stock

3912473 - Rectangular Crankshaft Seal
SKU: 3912473
1 in stock

3906081 - Wear; Rear Crankshaft Seal Sleeve
SKU: 3906081
4 in stock

3906080 - Wear; Front Crankshaft Seal Sleeve
SKU: 3906080
17 in stock

3904679 - Push Rod
SKU: 3904679
4 in stock

3904353 - Crankshaft Front Seal
SKU: 3904353
15 in stock

3904166 - Piston; Repair Liner
SKU: 3904166
3 in stock

3902666 - Valve Cover Gasket
SKU: 3902666
216 in stock

3901569 - Connecting Rod
SKU: 3901569
Out of stock

3901306 - Cam (2.25" O.D.) Bushing
SKU: 3901306
6 in stock

3901172 - Connecting Rod; 0.50 MM (.020") Bearing
SKU: 3901172
22 in stock

3901171 - Connecting Rod; 0.25 MM (.010") Bearing
SKU: 3901171
20 in stock

3901170 - Connecting Rod; Std. Bearing
SKU: 3901170
156 in stock

3900919 - Connecting Rod Bolt
SKU: 3900919
15 in stock

3900250 - Intake/Exhaust Valve Collet
SKU: 3900250
20 in stock

3804896 - Upper Gasket Set
SKU: 3804896
6 in stock

3802375 - Lower W/ Seals Gasket Set
SKU: 3802375
3 in stock

3802355 - Intake Valve Kit
SKU: 3802355
17 in stock

3802232 - 0.50MM (.020") Ring Set
SKU: 3802232
5 in stock

3802230 - Std. Ring Set
SKU: 3802230
9 in stock

3802160 - Piston; Std. Kit
SKU: 3802160
36 in stock

3802134 - Piston; 1.00 MM (.040") Kit
SKU: 3802134
15 in stock

3802132 - Piston; 0.50 MM (.020") Kit
SKU: 3802132
8 in stock

3802102 - Piston; 0.50 MM (.020") Kit
SKU: 3802102
Out of stock
