Case IH 1640 Combine Parts
1640 parts and accessories
The Case IH 1640 combine, manufactured from 1986 to 1992, was a popular choice for farmers due to its reliability and performance. Typically equipped with a 155 HP engine, it offered header widths up to 30 feet, making it suitable for various field sizes. Its conventional separator system provided efficient threshing for a range of crops, solidifying its reputation as a dependable workhorse.
The Case IH 1640 combine was introduced in 1986 as part of the Axial-Flow series, continuing the legacy of efficient harvesting. Production ran through 1992. It was powered by an International Harvester DT-402 diesel engine, producing approximately 155 horsepower with a displacement of 402 cubic inches. The 1640 utilized a conventional threshing system with a 28-inch wide cylinder. Its grain tank held around 150 bushels, with an unloading auger capable of emptying at a rate of approximately 1.5 bushels per second (90 bu/min). Available header widths ranged from 13 to 30 feet, accommodating different crop types and field sizes. Options included a straw chopper or spreader for residue management. The cab offered basic operator comfort and controls. The 1640 proved effective in harvesting wheat, soybeans, corn, and other small grains, earning a reputation for its durability and ease of maintenance.
Specifications
| Engine | International Harvester DT-402 155 HP Diesel |
|---|---|
| Separator Type | Conventional - 28 inch wide cylinder |
| Grain Tank | 150 bushels |
| Unloading Rate | 90 bu/min |
| Header Widths | 13-30 ft |
| Fuel Capacity | 85 gallons |
| Weight | 19,500 lbs |
| Years Produced | 1986-1992 |
Maintenance Tips
- Regularly inspect and adjust the concave clearance to ensure optimal threshing performance and minimize grain damage.
- Maintain proper belt and chain tension to prevent slippage and premature wear.
- Clean the sieves and chaffer frequently to ensure efficient grain separation and reduce losses.
- Grease all bearings according to the manufacturer's recommendations to prevent failures.
- Before each season, thoroughly inspect and replace worn parts such as sickle sections, rasp bars, and auger fingers.
History & Background
The Case IH 1640 was introduced in 1986 as a mid-sized combine in the Axial-Flow lineup. While it lacked the rotary threshing system of larger models, it offered a reliable and cost-effective harvesting solution for many farmers. It represented a solid step in combine technology for Case IH during that period.
Frequently Asked Questions
What engine is in the Case Ih 1640?
The Case IH 1640 is equipped with an International Harvester DT-402 diesel engine, producing 155 horsepower with a 402 cubic inch displacement.
What is the grain tank capacity on a 1640?
The Case IH 1640 has a grain tank capacity of approximately 150 bushels, and the unloading rate is around 90 bushels per minute.
What type of separator does the 1640 have?
The Case IH 1640 utilizes a conventional threshing system with a 28-inch wide cylinder for separating grain from the plant material.
What are common parts needed for the 1640?
Common wear parts for the Case IH 1640 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections. Regular inspection and replacement of these parts is essential for optimal performance.

194194C1 - Straw Spreader Bevel Gear
SKU: 194194C1
226 in stock

193398C1 - Grain Bed; RH Rotation Auger
SKU: 193398C1
24 in stock

192922C1 - Grain Tank Unloader Drive Sprocket
SKU: 192922C1
7 in stock

192835C1 - Vertical Unloading Auger
SKU: 192835C1
16 in stock

192475C3 - Lower Unloader Housing
SKU: 192475C3
7 in stock

192139C2 - Grain & Tailings Elevator Drive Sprocket
SKU: 192139C2
47 in stock

191790C2 - False Bottom; Elevator Hinge
SKU: 191790C2
2 in stock

191785C1 - Tailings Elevator Head Shaft
SKU: 191785C1
48 in stock

191778C2 - Tailings Elevator Housing
SKU: 191778C2
4 in stock

191771C1 - Tailings Elevator Boot
SKU: 191771C1
13 in stock

191734C1 - Tailings Auger
SKU: 191734C1
10 in stock

188285C1 - Grain Auger Trough Support RH Ring
SKU: 188285C1
4 in stock

188188C1 - Elevator Drive Sprocket
SKU: 188188C1
21 in stock

188119C1 - Elevator Head Trough
SKU: 188119C1
10 in stock

187331C1 - Grain Tank Unloader Drive Sprocket
SKU: 187331C1
30 in stock

186700C1 - Delivery Auger Tube Flange
SKU: 186700C1
19 in stock

186517C1 - Matched Gear Set
SKU: 186517C1
4 in stock

185038C7 - Auger Bed Trough Assy
SKU: 185038C7
5 in stock

183210C91 - Elevator Jackshaft Drive Hub Assy
SKU: 183210C91
48 in stock

182838C1 - Grain Tank Unload Auger Outer Brg Support-Cap
SKU: 182838C1
1 in stock

176579C1 - Idler (Flat) Pulley
SKU: 176579C1
37 in stock

174193C1 - Tailings Elevator; Perforated Door
SKU: 174193C1
30 in stock

168683C1 - Clean/ Tailings Elevator Sprocket
SKU: 168683C1
77 in stock

162103C91 - Grain Delivery (For Corn & Grain) Auger
SKU: 162103C91
15 in stock
