GSI 1120 Grain Dryer

A higher-capacity portable dryer for farms that need more harvest flexibility

The GSI 1120 Grain Dryer is part of the GSI 1100 Series, a portable dryer lineup built as a single-module, single fan and heater system with a single plenum. GSI positions this family for small- to medium-sized farms, especially operations using bins of 50,000 bushels or less with adequate cooling air, and describes the 1100 Series as a strong fit for a first high-speed dryer. The company also notes that this series is not expandable, so the 1120 is best viewed as a fixed-capacity dryer rather than a modular platform for later growth.  

For Aglist users, the 1120 stands out because it moves into the stronger end of the 1100 Series while still keeping the simpler layout that defines this family. That makes it appealing for farms that want more drying room during harvest without stepping into a larger multi-module system.

Where the GSI 1120 fits in the 1100 Series

The official 1100 Series lineup includes 1108, 1112, 1114, 1116, 1118, 1120, 1122, and 1126. In GSI’s product lineup overview, the full 1100 Series is listed with approximately 219 to 708 bushels of holding capacity and roughly 420 to 1,160 BPH depending on model. Within that range, the 1120 sits near the upper end of the family, giving farms a meaningful step up from the smaller single-module dryers.  

That positioning matters for real buying decisions. The 1120 is the kind of dryer farms often look at when they want more harvest capacity and more breathing room, but still prefer a simpler portable layout that is easier to understand and easier to match to an existing on-farm grain setup.

GSI 1120 drying performance

According to GSI’s published 1100 Series specifications, the GSI 1120 Grain Dryer is rated at 910 BPH in Full Heat 20% to 15%, 560 BPH in Full Heat 25% to 15%, and 410 BPH in Full Heat 30% to 15%. In Dry & Cool staged batch, it is rated at 480 BPH at 20% to 15% and 360 BPH at 25% to 15%.  

Those numbers place the 1120 clearly above the smaller 1118 and below the larger 1122 and 1126 in the same series. For farms dealing with tighter harvest windows, higher moisture grain, or more pressure on labour and trucking, that extra output can make a real difference.

Capacity, construction, and size

GSI lists the 1120 as a 1 module, 1 stage dryer with a grain column size of 14 inches x 20 feet long. Total holding capacity is shown at 544 bushels, with 470 bushels of grain column holding capacity.  

The dimension table lists the 1120 with a transport length of 29’2”, transport width of 8’, and transport height of 13’5”. Installed dimensions are listed at 27’2” long, 8’ wide, and 14’6” high. Approximate transport weight is shown at 8,700 lb.  

For Canadian farms, those measurements are important because performance is only one part of dryer selection. Yard access, pad planning, transport room, and integration with the rest of the grain-handling setup all affect how practical the machine is once it is on site.

Augers, unloading, and grain handling

In the 1100 Series specification chart, the GSI 1120 is listed with an 8-inch top auger rated at 7.5 HP and an 8-inch flight / 10-inch tube bottom auger also rated at 7.5 HP. Top auger capacity is shown at 3,800 BPH. The meter roll drive is listed as VFD, 1 HP, and maximum capacity is shown at 2,800 BPH.  

From a buyer’s point of view, those details matter because real-world performance depends on more than just the heater. Grain feed consistency, unload rate, and how smoothly grain moves through the system can all affect how the dryer behaves during a demanding harvest season.

Heater, fan, and electrical details

The heater on the GSI 1120 is listed at 7.5 million BTU/hr. For fan configuration, GSI shows no single-phase option for the 1120 in the lineup table, while the three-phase fan is listed as 25 HP, 42-inch. Electrical requirements in the published chart are shown at 117/193 amps for three-phase 208 V, 107/178 amps for three-phase 230 V, 56/89 amps for three-phase 460 V, and 46/73 amps for three-phase 575 V.  

These numbers matter in practice because electrical service and site readiness can quickly affect total installation cost. A dryer that looks right on paper for capacity can become a very different decision once power requirements are factored in.

Drying style and crop-use flexibility

GSI says the 1100 Series is primarily an all-heat corn drying system, but also notes that it can be used in Continuous Batch Dry & Cool operation either full time or for specific situations, including putting a dry cone in a flat-bottom wet bin or handling occasional soybean or wheat drying where cooled grain is needed.  

That gives the 1120 more flexibility than a simple one-line category label might suggest. The final fit still depends on crop mix, storage airflow, moisture targets, and harvest pace, but GSI’s own wording shows the series is not limited to only one narrow use case.

What makes the GSI 1120 attractive to buyers

From an Aglist perspective, the GSI 1120 Grain Dryer stands out because it offers a stronger-capacity option while still staying inside a simpler single-module portable family. That can be attractive for farms that want more throughput, more harvest flexibility, and more capacity than the 1118, but do not yet want to move into a larger multi-module dryer platform.

It can be especially appealing for growers who want a serious on-farm dryer that still feels more straightforward than jumping immediately into bigger classes of portable dryers.

Real-world buying questions

Is the GSI 1120 enough for a mid-sized grain operation?

It can be, depending on acreage, moisture levels, trucking pace, labour, and storage airflow. On paper, the 1120 offers 910 BPH at 20% to 15% in Full Heat and 544 bushels of total holding capacity, which places it near the stronger end of the 1100 Series.  

Is the 1120 still a good first dryer?

In many cases, yes. That aligns with how GSI positions the 1100 Series overall, describing it as a strong first high-speed dryer for small- to medium-sized farms.  

Can it work for crops besides corn?

GSI says yes, in the right setup. While the 1100 Series is mainly described as an all-heat corn dryer, the company also mentions occasional soybean or wheat drying in Dry & Cool operation where cooled grain is needed.  

Final thoughts

The GSI 1120 Grain Dryer is a strong fit for farms that want more drying capacity than the mid-range 1100 Series models while keeping the same practical single-module concept. With published output up to 910 BPH at 20% to 15% in Full Heat, 544 bushels of total holding capacity, and a portable design aimed at small- to medium-sized farms, it fills an important place near the upper end of the GSI 1100 Series.  

For Aglist, this page works best as a model-focused resource built around specifications, buyer comparison, farm-fit decisions, and later owner feedback. It is exactly the kind of page where real operator experience can add value beyond the brochure numbers.

GSI 1120 Reviews & Ratings