Case IH 434 Tractor Parts
434 parts and accessories
The Case IH 434 tractor, manufactured from 1967 to 1971, was a popular utility tractor renowned for its reliability and versatility. Powered by a 40 HP diesel engine, the 434 provided sufficient power for a variety of farm tasks and had a PTO horsepower of 36. Its robust design and dependable performance made it a favorite among farmers for general farm work and field operations.
The Case IH 434 was introduced in 1967 and remained in production until 1971. This tractor quickly became a staple on many farms due to its simplicity and effectiveness. The 434 is equipped with an International Harvester BD-154 2.5L (154 ci) 4-cylinder diesel engine producing around 40 horsepower. Some models were also available with a gasoline engine. The transmission is a standard gear transmission with 8 forward and 2 reverse speeds, providing a good range for various field conditions. The PTO delivers approximately 36 horsepower at 540 RPM, making it suitable for operating implements like mowers and balers. The hydraulic system provides a flow rate around 6.8 GPM and typically has a single remote valve. It features a Category I 3-point hitch. This tractor was commonly used for row crop work, hay production, livestock operations, and light tillage tasks. The Case IH 434 distinguished itself with a balance of power, economy, and user-friendly operation, making it a practical choice for smaller and mid-sized farms.
Specifications
| Engine | International Harvester BD-154 40 HP 2.5L Diesel |
|---|---|
| PTO HP | 36 HP @ 540 RPM |
| Transmission | Gear 8 Forward, 2 Reverse |
| Hydraulics | 6.8 GPM, 1 remote |
| 3-Point Hitch | Category I, 2760 lbs lift capacity |
| Fuel Capacity | 13 gallons |
| Weight | 4,431 lbs |
| Years Produced | 1967-1971 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 125-250 hours of operation. Use a high-quality diesel engine oil that meets the manufacturer's specifications.
- Hydraulic System: Inspect the hydraulic fluid level regularly and change the fluid and filter every 500 hours or annually to prevent contamination and maintain optimal performance.
- Fuel System: Use clean fuel and replace the fuel filter every 250 hours to ensure proper fuel delivery and prevent engine issues. Consider adding a fuel stabilizer during seasonal storage.
History & Background
The Case IH 434 was introduced in 1967 as a part of the International Harvester line. There were no major redesigns during its production run (1967-1971), which speaks to its solid initial design. The 434 played a significant role in agricultural history by offering a reliable and affordable tractor option for smaller farms, contributing to increased efficiency in various farming operations.
Frequently Asked Questions
What engine is in the Case Ih 434?
The Case IH 434 is equipped with an International Harvester BD-154 2.5L (154 ci) 4-cylinder diesel engine producing around 40 horsepower.
What is the PTO horsepower on a 434?
The Case IH 434 has a PTO horsepower rating of approximately 36 HP at 540 RPM.
What oil filter fits the 434?
Common oil filter cross-references for the Case IH 434 include Fram PH25, Wix 51258, and NAPA 1258. Always verify the correct fitment with your parts supplier.
What are common parts needed for the 434?
Commonly needed parts for the Case IH 434 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, tie rod ends, steering drag links, and clutch disc components.

704100R1 - Liner Sealing Ring
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3064060R91 - Engine Oil Pump
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3062380R91 - Starter Solenoid
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