Case IH 674 Tractor Parts
674 parts and accessories
The Case IH 674 tractor, manufactured from 1972 to 1975, was a reliable workhorse on farms across North America. Powered by a robust 58 horsepower diesel engine, and boasting around 52 PTO horsepower, the 674 offered a balance of power and economy. Its simple design and dependable performance made it a favorite for various agricultural tasks, contributing significantly to its popularity among farmers.
The Case IH 674 was introduced in 1972 as a successor to the International Harvester 674, continuing the legacy of reliable utility tractors. Production spanned until 1975. The tractor features a 58 horsepower International Harvester D-239 3.9L 4-cylinder diesel engine, known for its durability and fuel efficiency. Transmission options included a gear-type transmission with 8 forward and 4 reverse speeds. The 674 delivered approximately 52 PTO horsepower at 540 RPM, suitable for powering a range of implements. Its hydraulic system provided around 8.5 GPM flow, sufficient for operating hydraulic remotes and the Category II 3-point hitch with a lift capacity of around 3,300 lbs. This model was commonly used for row crop operations, haying, livestock management, and light tillage tasks. The Case IH 674 distinguished itself with its simple mechanics, ease of maintenance, and a comfortable operator platform relative to other tractors of its era.
Specifications
| Engine | International Harvester D-239 58 HP 239ci Diesel |
|---|---|
| PTO HP | 52 HP @ 540 RPM |
| Transmission | Gear Type, 8 Forward / 4 Reverse |
| Hydraulics | 8.5 GPM, 2 remotes (optional) |
| 3-Point Hitch | Category II, 3300 lbs lift capacity |
| Fuel Capacity | 16 gallons |
| Weight | 5,160 lbs |
| Years Produced | 1972-1975 |
Maintenance Tips
- Change engine oil and filter every 150-200 hours using a high-quality oil specified for diesel engines.
- Regularly inspect and clean the fuel system, including fuel filters, to prevent contamination and ensure optimal performance.
- Check hydraulic fluid levels and inspect hoses for leaks. Replace hydraulic filters according to the manufacturer's recommendations.
- Before seasonal storage, drain fluids, add fuel stabilizer, and grease all lubrication points to prevent corrosion and maintain functionality.
History & Background
The Case IH 674 marked a transition in the International Harvester lineup, continuing the popular '64' series with enhanced features. While not undergoing major redesigns during its short production run, its impact was significant due to its reliability and versatile performance. It's a tractor that is still being used by farmers today.
Frequently Asked Questions
What engine is in the Case Ih 674?
The Case IH 674 is powered by an International Harvester D-239 4-cylinder diesel engine, producing 58 horsepower and having a displacement of 239 cubic inches.
What is the PTO horsepower on a 674?
The Case IH 674 has a PTO horsepower rating of approximately 52 HP at 540 RPM.
What oil filter fits the 674?
The Case IH 674 typically uses a Fram PH2870A or equivalent oil filter. Cross-references include Wix 51258 and Baldwin B2.
What are common parts needed for the 674?
Common wear parts for the Case IH 674 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components (tie rod ends, kingpins), clutch disc and pressure plate, and PTO seals.

527948R91 - (LH Side) Lift Yoke
SKU: 527948R91
51 in stock

527943R1 - Lift Arm Handle
SKU: 527943R1
16 in stock

527937R1 - Leveling Yoke Nut
SKU: 527937R1
52 in stock

406468R31 - Drawbar Support
SKU: 406468R31
14 in stock

406467SPL - Drawbar
SKU: 406467SPL
46 in stock

404787R1 - Lynch Pin Shield
SKU: 404787R1
69 in stock

402635R4 - Leveling Screw (Cat II) Housing
SKU: 402635R4
99 in stock

3620019R1 - Stabilizer Chain Assembly
SKU: 3620019R1
44 in stock

3121964R91 - Leveling Screw (Cat I) Housing
SKU: 3121964R91
61 in stock

3069063R1 - Pinion Gear
SKU: 3069063R1
11 in stock

223322 - 3 Point Hitch Kit (Cat II)
SKU: 223322
7 in stock

223321 - (RH) (Cat II) 3 Point Hitch Kit
SKU: 223321
17 in stock

223320 - (RH) (Cat I) 3 Point Hitch Kit
SKU: 223320
13 in stock

223319 - (Cat II) 3 Point Hitch Kit
SKU: 223319
13 in stock

223318 - (Cat I) 3 Point Hitch Kit
SKU: 223318
10 in stock

1502366C1 - Front Drawbar w/ late S/N (3.221" long) Pin
SKU: 1502366C1
35 in stock

1328192C3 - Top Link Pin (Cat II)
SKU: 1328192C3
Out of stock

VPD6851 - Double CAV Fuel (1/2" UNF Ports) Filter Assembly
SKU: VPD6851
29 in stock

LF3532J - Spin-On (QTY 1) Lube Filter
SKU: LF3532J
Out of stock

LF3532 - Spin-On (QTY 12) Lube Filter
SKU: LF3532
6 in stock

K960911 - Fuel Filter Element
SKU: K960911
1391 in stock

HF7987J - Cartridge (QTY 1) Hydraulic Filter
SKU: HF7987J
Out of stock

HF7987 - Cartridge (QTY 12) Hydraulic Filter
SKU: HF7987
7 in stock

FF5171J - Spin-On (QTY 1) Fuel Filter
SKU: FF5171J
Out of stock
