Case IH 3788 Tractor Parts
3788 parts and accessories
The Case IH 3788 tractor, manufactured from 1978 to 1981, was a popular choice for farmers seeking reliable power in the late 70s and early 80s. Powered by a 155 horsepower International Harvester DT-466 diesel engine, the 3788 delivered robust performance for a variety of agricultural tasks. Its strong PTO horsepower made it well-suited for operating demanding implements.
The Case IH 3788 was produced from 1978 to 1981. It's part of the '88 series, known for improvements over the previous models. This tractor features an International Harvester DT-466 inline 6-cylinder diesel engine, delivering approximately 155 horsepower. Engine displacement is 466 cubic inches (7.6 liters). The transmission is a partial power shift transmission with 12 forward and 4 reverse gears. It boasts a PTO horsepower of around 135, available in both 540 and 1000 RPM options. Hydraulic capacity is approximately 30 GPM, typically with two or three remote valves. The 3-point hitch is a Category II, offering substantial lift capacity for its size. Farmers used the 3788 for row crop operations, hay production, livestock feeding, and tillage tasks such as plowing and disking. Compared to other tractors in the Case IH lineup at the time, the 3788 offered a balance of power and maneuverability, making it a versatile option for mid-sized farms. Distinguishing features included its robust engine and reliable transmission.
Specifications
| Engine | International Harvester DT-466 155 HP Diesel |
|---|---|
| PTO HP | 135 HP @ 540/1000 RPM |
| Transmission | Partial Power Shift 12F/4R |
| Hydraulics | 30 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 5,800 lbs lift capacity |
| Fuel Capacity | 66 gallons |
| Weight | 14,500 lbs |
| Years Produced | 1978-1981 |
Maintenance Tips
- Change engine oil and filter every 250 hours using a high-quality diesel engine oil.
- Inspect hydraulic fluid levels regularly and change the hydraulic filter every 500 hours to prevent contamination and ensure optimal hydraulic performance.
- Use a fuel additive to prevent algae growth and keep the fuel system clean, especially during seasonal storage.
- Before storing the tractor for the winter, drain the fuel tank, change the engine oil, and grease all fittings to protect against corrosion and ensure easy startup in the spring.
History & Background
The Case IH 3788 was introduced in 1978 as part of the updated '88 series, succeeding earlier models with design and performance enhancements. It represented a step forward in tractor technology for its time, offering farmers more power and efficiency. It remains a significant piece of agricultural history, valued for its durability and reliability.
Frequently Asked Questions
What engine is in the Case Ih 3788?
The Case IH 3788 is powered by an International Harvester DT-466 inline 6-cylinder diesel engine producing approximately 155 horsepower.
What is the PTO horsepower on a 3788?
The PTO horsepower on the Case IH 3788 is around 135 HP, and it is available in both 540 and 1000 RPM options.
What oil filter fits the 3788?
Common oil filters for the Case IH 3788 include those with part numbers such as IH 3133798R1, Baldwin B2, or Fleetguard LF670. Consult your owner's manual or a parts professional to verify compatibility.
What are common parts needed for the 3788?
Common parts needed for the Case IH 3788 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic cylinder seal kits, steering components (tie rod ends, ball joints), and clutch discs and pressure plates.

380110R1 - Clutch Release Fork
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1981317C1 - Transmission Brake Lever Assembly
SKU: 1981317C1
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148952C1 - Nut (LH)
SKU: 148952C1
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148951C1 - Transmission (Tubular) Countershaft
SKU: 148951C1
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14864 - PTO In/Seal
SKU: 14864
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139141C1 - Park Pawl
SKU: 139141C1
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138764C2 - Park Gear
SKU: 138764C2
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1287801C91 - Rear Wheel (3.25") Wedge Kit
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1251699HD-R - HD Re-Mfg. Torque Amplifier Assembly
SKU: 1251699HD-R
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123026C2 - Clutch Booster Output Rod Stud
SKU: 123026C2
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120749C1 - Brake Park Lock Pin
SKU: 120749C1
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120263C1 - Reverse Shift Lever Bar
SKU: 120263C1
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120262C1 - Reverse Shift Shaft
SKU: 120262C1
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120261C1 - Hi-Lo Shift Lever Bar
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120235C94 - Brake Disc Kit
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120003C2 - Torque Amplifier Cable
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104712C21 - Brake Disc
SKU: 104712C21
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104676C1 - Bull Pinion (LH) Shaft
SKU: 104676C1
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104269R1 - Cam Lever Kit
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104110C1 - Transmission Speed Control Ball Joint
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PR107 - Piston (With Turbo) Rings
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PA724 - Piston
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OGS414 - Overhaul with Seals Gasket Set
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