Case IH 1660 Combine Parts
1660 parts and accessories
The Case IH 1660 combine, produced from 1986 to 1992, was a popular choice for farmers due to its reliability and versatility. Powered by a robust diesel engine delivering around 165 HP, the 1660 could handle a range of crops with available header widths up to 30 feet. Its conventional threshing and separating system offered a cost-effective and efficient solution for smaller to medium-sized operations.
Introduced in 1986, the Case IH 1660 filled a crucial spot in the Case IH combine lineup, offering a balance of performance and affordability. Production ran until 1992. The combine is powered by an International Harvester (IHC) DT-402 diesel engine, producing approximately 165 horsepower with a displacement of 402 cubic inches. The 1660 utilizes a conventional threshing system, featuring a 30.5-inch wide cylinder and a large walker area for grain separation. It boasts a grain tank capacity of around 215 bushels and an unloading auger rate of approximately 60 bushels per minute, enabling efficient unloading in the field. Available header widths ranged from 13 to 30 feet, accommodating various harvesting needs. Chopper and spreader options were available to manage residue after harvest. The cab offered basic comfort and controls for the operator. The Case IH 1660 proved particularly adept at harvesting grains like wheat, soybeans, and corn, making it a versatile option for diverse farming operations.
Specifications
| Engine | International Harvester DT-402 165 HP 402 cu. in. Diesel |
|---|---|
| Separator Type | Conventional - 30.5 inch wide cylinder |
| Grain Tank | 215 bushels |
| Unloading Rate | 60 bu/min |
| Header Widths | 13-30 ft |
| Fuel Capacity | 75 gallons |
| Weight | Approximately 19,000 lbs |
| Years Produced | 1986-1992 |
Maintenance Tips
- Concave Adjustment: Regularly check and adjust concave clearance to ensure proper threshing without grain damage. Refer to the operator's manual for recommended settings based on the crop being harvested.
- Belt and Chain Tension: Inspect all belts and chains for proper tension and wear. Loose belts or chains can lead to slippage and reduced performance, while worn components should be replaced promptly to prevent breakdowns.
- Sieve and Chaffer Cleaning: Keep the sieves and chaffer clean to ensure efficient grain separation and minimize losses. Regularly blow out debris and inspect for damage.
- Bearing Greasing: Follow the recommended greasing schedule for all bearings to prevent premature wear and failure. Use the correct type of grease as specified in the operator's manual.
History & Background
The Case IH 1660 was introduced in 1986 as a mid-sized combine offering a balance of affordability and performance. It filled a gap in the Case IH lineup and became a popular choice for farmers looking for a reliable and versatile machine. While it didn't receive major redesigns during its production run, it remained a staple in many fields due to its dependable conventional threshing system.
Frequently Asked Questions
What engine is in the Case Ih 1660?
The Case IH 1660 is powered by an International Harvester (IHC) DT-402 diesel engine, producing approximately 165 horsepower with a displacement of 402 cubic inches.
What is the grain tank capacity on a 1660?
The grain tank capacity of the Case IH 1660 is approximately 215 bushels, with an unloading rate of around 60 bushels per minute.
What type of separator does the 1660 have?
The Case IH 1660 utilizes a conventional threshing system, featuring a 30.5-inch wide cylinder and walkers for grain separation.
What are common parts needed for the 1660?
Commonly needed parts for the Case IH 1660 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections.

675006C1 - Connecting Rod Bushing
SKU: 675006C1
70 in stock

675006 - Connecting Rod Bushing
SKU: 675006
Out of stock

674399 - Bottom Gasket Set
SKU: 674399
Out of stock

671827C1 - Pan Gasket
SKU: 671827C1
34 in stock

671821 - Oil Suction Tube Gasket
SKU: 671821
Out of stock

59658D - Oil Pan Drain Plug Gasket
SKU: 59658D
105 in stock

41339D - Valve Keeper
SKU: 41339D
2798 in stock

3931019 - Head Gasket
SKU: 3931019
Out of stock

3929253 - Front Gear Housing Gasket
SKU: 3929253
3 in stock

3925031 - Tappet
SKU: 3925031
25 in stock

3924583 - Exhaust Valve Insert
SKU: 3924583
2 in stock

3924582 - Intake Valve Insert
SKU: 3924582
6 in stock

3918986 - Crankshaft
SKU: 3918986
8 in stock

3917780 - Front Cover Gasket
SKU: 3917780
2 in stock

3914301 - Rear Cover Gasket
SKU: 3914301
Out of stock

3914017 - Oil Pan Gasket
SKU: 3914017
8 in stock

3912473 - Rectangular Crankshaft Seal
SKU: 3912473
1 in stock

3908277 - Wear; Front Crankshaft Seal Sleeve
SKU: 3908277
4 in stock

3907177 - Liner Seal
SKU: 3907177
5 in stock

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

3903475 - Rectangular Front Crankshaft Seal
SKU: 3903475
2 in stock

3902089 - Water Pump Sealing O-Ring
SKU: 3902089
Out of stock

3901430 - Connecting Rod; Std. Bearing
SKU: 3901430
166 in stock

3802463 - Intake Valve Kit
SKU: 3802463
4 in stock
