Case IH 7120 Tractor Parts
7120 parts and accessories
The Case IH 7120 tractor, a workhorse of the late 1980s and early 1990s, was known for its reliability and power. Powered by an 8.3L Cummins diesel engine producing around 175 engine horsepower and boasting a PTO horsepower of approximately 145, the 7120 quickly became a favorite among farmers for its ability to handle a wide range of tasks. Its robust design and user-friendly operation made it a popular choice for row crop farming and general farm duties.
The Case IH 7120 was manufactured from 1987 to 1993 as part of the Magnum series, representing a significant advancement in tractor technology for Case IH. Under the hood, you'd find a Cummins 8.3L inline 6-cylinder diesel engine. This engine delivered approximately 175 engine horsepower. The engine's displacement ensured ample torque for demanding applications. The 7120 came standard with a full powershift transmission, offering smooth and efficient gear changes. The PTO delivered around 145 horsepower and featured both 540 and 1000 RPM options, catering to diverse implement requirements. The hydraulic system provided a flow rate of around 25 GPM, supplying ample power for implements. The 3-point hitch was a Category II, allowing for easy attachment of various tools. Farmers utilized the 7120 extensively in row crop operations like planting and cultivating, as well as hay production, livestock management, and tillage. This model stood out within the Magnum lineup for striking a balance between power, versatility, and ease of maintenance, making it a reliable and cost-effective choice for many agricultural operations.
Specifications
| Engine | Cummins 8.3L 175 HP Diesel |
|---|---|
| PTO HP | 145 HP @ 540/1000 RPM |
| Transmission | Full Powershift, 18 Forward/4 Reverse |
| Hydraulics | 25 GPM, 3 remotes |
| 3-Point Hitch | Category II, 6,744 lbs Lift Capacity |
| Fuel Capacity | 85 gallons |
| Weight | 17,500 lbs |
| Years Produced | 1987-1993 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250-300 hours using a high-quality oil that meets Case IH specifications to ensure optimal engine lubrication and performance.
- Hydraulic System: Regularly inspect the hydraulic fluid level and condition, changing the hydraulic filters every 500 hours or annually. Use only recommended hydraulic fluid to prevent damage to the system.
- Fuel System: Use clean, high-quality diesel fuel and replace the fuel filters every 500 hours to prevent fuel system clogging and maintain optimal engine performance. Consider using a fuel additive during cold weather to prevent gelling.
- Seasonal Storage: Before storing the tractor for the off-season, drain the fuel tank or add a fuel stabilizer to prevent fuel degradation. Disconnect the battery and store it in a cool, dry place. Inspect all fluids and top off as needed.
History & Background
Introduced in 1987, the Case IH 7120 was part of the Magnum series, which aimed to offer farmers more powerful and technologically advanced tractors. The Magnum series represented a new era for Case IH, emphasizing operator comfort and efficiency. The 7120 remained largely unchanged throughout its production run, solidifying its reputation as a dependable and versatile tractor.
Frequently Asked Questions
What engine is in the Case Ih 7120?
The Case IH 7120 is equipped with a Cummins 8.3L inline 6-cylinder diesel engine, producing approximately 175 horsepower.
What is the PTO horsepower on a 7120?
The PTO horsepower on a Case IH 7120 is rated at approximately 145 horsepower, with both 540 and 1000 RPM options available.
What oil filter fits the 7120?
The Case IH 7120 typically uses a Case IH oil filter part number 3937736, Fleetguard LF3349, or Baldwin B1421. Always verify compatibility with your specific tractor's serial number.
What are common parts needed for the 7120?
Common wear parts for the Case IH 7120 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic cylinder seals, steering components, and clutch parts. Regularly inspecting these components can help prevent downtime and ensure optimal tractor performance.

381508R1 - Thrust (IPTO Idler) Washer
SKU: 381508R1
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381507R1 - Ind. PTO Idler Shaft
SKU: 381507R1
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381506R1 - IPTO Driven Gear
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381505R1 - Independent PTO Output Shaft (540 RPM) Spacer
SKU: 381505R1
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1987302C1 - RH; PTO Shield Support Plate
SKU: 1987302C1
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1987301C1 - LH; PTO Shield Support Plate
SKU: 1987301C1
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1978558C3 - PTO Shield
SKU: 1978558C3
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148663C1 - PTO 540 RPM Shaft
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139287C2 - PTO Cover Gasket
SKU: 139287C2
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139286C3 - PTO Housing Gasket
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1349453C1 - PTO Housing
SKU: 1349453C1
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1349263C1 - PTO 1000 RPM Shaft
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1342698C1 - IPTO Housing Cover
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1340505C1 - Pivot; PTO Shield Sleeve
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1340501C1 - Pivot; PTO Shield Rod
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L73646 - Switch AC/HT
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A184700 - Condenser
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98370C2 - Expansion Valve (block type)
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98111C2 - Comp. to Cond. Line
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98108C2 - Comp.Return Line Line
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97204C1 - Sanden Style w/ Clutch (4478) New Compressor
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96884C2 - Evap.Outlet Line Line
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92101C1 - AC/HT Switch
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89827059 - O-Ring
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